Cloves are dried flower buds. Illustrated are (1) a spray of leaves and flowers, (2) an expanded flower, and (3) an unopened bud or clove.

Clove

Cloves are dried flower buds. Illustrated are (1) a spray of leaves and flowers, (2) an expanded flower,…

The common names of coccoloba uvifera are sea grape, shore grape, and uvadel mar. The leaves are large, often five inches long and seven inches wide. The flowers are white and fragrant.

Coccoloba Uvifera

The common names of coccoloba uvifera are sea grape, shore grape, and uvadel mar. The leaves are large,…

Cochlearia danica grows six to eight inches tall. The leaves are rounded and kidney shaped. The small white flowers cover the plant in early summer.

Cochlearia Danica

Cochlearia danica grows six to eight inches tall. The leaves are rounded and kidney shaped. The small…

Codiaeum variegatum Baronne de Rothschild has red colored leaves when older.

Codiaeum Variegatum Baronne de Rothschild

Codiaeum variegatum Baronne de Rothschild has red colored leaves when older.

Codieum disraeli is an example of the lobatum form. The leaves are more or less three lobed.

Codiaeum Disraeli

Codieum disraeli is an example of the lobatum form. The leaves are more or less three lobed.

Codiaeum interruptum is an example of the form appendiculatum. The leaves are constricted to the midrib.

Codiaeum Interruptum

Codiaeum interruptum is an example of the form appendiculatum. The leaves are constricted to the midrib.

Codiaeum spirale is an example of forms crispum and cornutum. The leaves have a crisped margin.

Codiaeum Spirale

Codiaeum spirale is an example of forms crispum and cornutum. The leaves have a crisped margin.

The verschaffeltii variety of coleus blumei is more robust and branchy than the type. The leaves are more brilliantly colored.

Coleus Blumei Verschaffeltii

The verschaffeltii variety of coleus blumei is more robust and branchy than the type. The leaves are…

Comandra umbellata grows six to eighteen inches tall. The flowers are whitish. The leaves are thin, oblong, and pale beneath.

Comandra Umbellata

Comandra umbellata grows six to eighteen inches tall. The flowers are whitish. The leaves are thin,…

Cordyline terminalis baptistii has broad, recurved, deep green leaves. The leaves have some pink and yellow stripes.

Cordyline Terminalis Baptistii

Cordyline terminalis baptistii has broad, recurved, deep green leaves. The leaves have some pink and…

Coreopsis lanceolata grows one to two feet tall. The leaves are few and large. It is native to the eastern United States.

Coreopsis Lanceolata

Coreopsis lanceolata grows one to two feet tall. The leaves are few and large. It is native to the eastern…

Cotyledon secunda is stemless and the leaves grow in a rosette. The flowers grow in a one sided, recurved spike. The flowers are reddish yellow and bloom June to August.

Cotyledon Secunda

Cotyledon secunda is stemless and the leaves grow in a rosette. The flowers grow in a one sided, recurved…

Crassula quadrifida is a perennial with oblong leaves and white flowers tinged with red.

Crassula Quadrifida

Crassula quadrifida is a perennial with oblong leaves and white flowers tinged with red.

The common names of crataegus are hawthorn and crategus. The thorns pictured are modified branches. Some of the short branches bear leaves.

Thorns of Crataegus

The common names of crataegus are hawthorn and crategus. The thorns pictured are modified branches.…

Crataegus arnoldiana is a tree variety of hawthorn. It grows twenty feet tall with stout, ascending branches. The leaves are broadly oval. The fruit is bright crimson and appears in the middle of august.

Crataegus Arnoldiana

Crataegus arnoldiana is a tree variety of hawthorn. It grows twenty feet tall with stout, ascending…

Crinum powellii has about eight flowers. The flowers are a dark rose color. There are about twenty spreading leaves.

Crinum Powellii

Crinum powellii has about eight flowers. The flowers are a dark rose color. There are about twenty spreading…

The common name of crocus sativus is saffron crocus. The leaves are as tall as the flower. It is the most common fall blooming species.

Crocus Sativus

The common name of crocus sativus is saffron crocus. The leaves are as tall as the flower. It is the…

Cryptanthus zonatus has oblong, tapering leaves. The leaves are marked with bands of white. The flowers are white.

Cryptanthus Zonatus

Cryptanthus zonatus has oblong, tapering leaves. The leaves are marked with bands of white. The flowers…

The common names of cucumis anguria are bur cucumber, west Indian gherkin, and gooseberry gourd. The stems are slender and the leaves are deeply cut. The fruit is cucumber like, but more spiny.

Cucumis Anguria

The common names of cucumis anguria are bur cucumber, west Indian gherkin, and gooseberry gourd. The…

Pumpkin is the common name of cucurbita pepo.  The leaves are dull, dark green and three to five lobed. It is probably native to the tropical regions of the Americas.

Pumpkin Plant

Pumpkin is the common name of cucurbita pepo. The leaves are dull, dark green and three to five lobed.…

Calabazilla is the common name of curcurbita foetidissima. The leaves are large, heart shaped, and triangular. The fruit is not edible.

Curcurbita Foetidissima

Calabazilla is the common name of curcurbita foetidissima. The leaves are large, heart shaped, and triangular.…

Cuphea hyssopifolia has a shrubby stem and numerous branches. The flowers are scarcely longer than the leaves. The plant is native to Mexico.

Cuphea Hyssopifolia

Cuphea hyssopifolia has a shrubby stem and numerous branches. The flowers are scarcely longer than the…

The common name of curcuma petiolata is queen lily. The leaves are six to eight inches long. The flowers are pale yellow. The plant is native to India.

Curcuma Petiolata

The common name of curcuma petiolata is queen lily. The leaves are six to eight inches long. The flowers…

Illustrated is the leaf of sago palm, or cycas revoluta. The leaves are long and recurved. The leaves grow two to seven feet long.

Sago Palm leaf

Illustrated is the leaf of sago palm, or cycas revoluta. The leaves are long and recurved. The leaves…

The flowers of cypripedium pubescens bloom in May and June. The leaves are oval. The petals are usually twisted.

Cypripedium Pubescens

The flowers of cypripedium pubescens bloom in May and June. The leaves are oval. The petals are usually…

Cystopteris fragilis has clustered, gray green leaves. This species of fern is widely distributed over the world at all altitudes.

Cystopteris Fragilis

Cystopteris fragilis has clustered, gray green leaves. This species of fern is widely distributed over…

The leaves of dalibarda repens are heart shaped and wavy toothed. The flowers are white with one or two on each stem.

Dalibarda Repens

The leaves of dalibarda repens are heart shaped and wavy toothed. The flowers are white with one or…

Davallia bullata has a creeping rootstock clothed with light, hair like scales. The leaves are scattered and six to ten inches long.

Davallia Bullata

Davallia bullata has a creeping rootstock clothed with light, hair like scales. The leaves are scattered…

Illustrated is the tip of a leaf of dennstaedtia punctilobula. The leaves are one to two and a half feet long. The leaves are light green.

Dennstaedtia Punctiolbula

Illustrated is the tip of a leaf of dennstaedtia punctilobula. The leaves are one to two and a half…

Deutzia lemoinei grows three feet tall. The flowers are pure white. The leaves have finely serrated edges.

Deutzia Lemoinei

Deutzia lemoinei grows three feet tall. The flowers are pure white. The leaves have finely serrated…

Illustrated is the leaf of squirrel corn, the common name of dicentra canadensis. The leaves are finely cut with linear and abruptly pointed segments.

Squirrel Corn Leaf

Illustrated is the leaf of squirrel corn, the common name of dicentra canadensis. The leaves are finely…

Didymochlaena lunulata is native from Cuba to Brazil. The leaves are clustered from an erect, rigid stem. The leaves are three to six feet long.

Didymochlaena Lunulata

Didymochlaena lunulata is native from Cuba to Brazil. The leaves are clustered from an erect, rigid…

Illustrated is the foliage and a small tuber of dioscorea alata. The leaves are oblong and heart shaped. The tubers are edible and can grow six to eight feet long.

Dioscorea Alata

Illustrated is the foliage and a small tuber of dioscorea alata. The leaves are oblong and heart shaped.…

Diospyros lotus is a variety of persimmon. The leaves are oblong and grow three to five inches long. The flowers are reddish white. The fruit is yellow but black when fully ripe.

Diospyros Lotus

Diospyros lotus is a variety of persimmon. The leaves are oblong and grow three to five inches long.…

A floral divider with birds and large leaves.

Floral Divider

A floral divider with birds and large leaves.

Illustrated is the early blight of a potato plant. It is a type of lesion causing more or less sudden death of the leaves, stems, shoots, or blossoms.

Early Blight of Potato

Illustrated is the early blight of a potato plant. It is a type of lesion causing more or less sudden…

Illustrated is a blight of grapes due to some constitutional disorder. The leaves die first at the edges.

Blight of Grapes

Illustrated is a blight of grapes due to some constitutional disorder. The leaves die first at the edges.

Illustrated is a leaf of spinage dock. The crisp leaves appear in early April.

Spinage Dock

Illustrated is a leaf of spinage dock. The crisp leaves appear in early April.

The dolichos leaves are broadly egg shaped. They are rounded below and pointed at the top. The leaves are often crinkly.

Dolichos Leaves

The dolichos leaves are broadly egg shaped. They are rounded below and pointed at the top. The leaves…

Dracaena fragrans lindenii has recurved leaves. The leaves are transversed with creamy white bands.

Dracaena Fragrans Lindenii

Dracaena fragrans lindenii has recurved leaves. The leaves are transversed with creamy white bands.

Dracunculus vulgaris has a sheath of livid, spotted leaves. The flower is purple.

Dracunculus Vulgaris

Dracunculus vulgaris has a sheath of livid, spotted leaves. The flower is purple.

Dryopteris marginalis is native from Canada southward. It is a very common fern. The leaves are six inches to two feet long.

Dryopteris Marginalis

Dryopteris marginalis is native from Canada southward. It is a very common fern. The leaves are six…

The leaves of dyckia rariflora have small spines on the margin. The plant is native to Brazil.

Dyckia Rariflora

The leaves of dyckia rariflora have small spines on the margin. The plant is native to Brazil.

Elaphoglossum villosum is native to Mexico and the west Indies. The sterile blades are six to nine inches long. The fertile leaves have abundant slender, dark brown scales.

Elaphoglossum Villosum

Elaphoglossum villosum is native to Mexico and the west Indies. The sterile blades are six to nine inches…

The common name of elaphoglossum crinitum is elephant ear fern. The blades are ten to eighteen inches long and four to eight inches wide. The fertile leaves are smaller on shorter stalks.

Elaphoglossum Crinitum

The common name of elaphoglossum crinitum is elephant ear fern. The blades are ten to eighteen inches…

Encephalartos cycadifolius has a nearly round trunk. The leaves are opposite and alternate.

Encephalartos Cycadifolius

Encephalartos cycadifolius has a nearly round trunk. The leaves are opposite and alternate.

Erica persoluta is a white flowered and very variable species. The leaves are erect and spreading.

Erica Persoluta

Erica persoluta is a white flowered and very variable species. The leaves are erect and spreading.

The flowers of erica melanthera are rosy. The flowers bloom in December and January. The leaves are thick and grooved on the back.

Erica Melanthera

The flowers of erica melanthera are rosy. The flowers bloom in December and January. The leaves are…

Eucalyptus ficifolia is known as crimson flowered eucalyptus. The flowers are large, red, and grow in large clusters. The leaves oval, firm, and thick.

Eucalyptus Ficifolia

Eucalyptus ficifolia is known as crimson flowered eucalyptus. The flowers are large, red, and grow in…

The common name of eucalyptus globulus is blue gum. Illustrated is a spray of mature foliage and two leaves of sucker foliage.

Eucalyptus Globulus

The common name of eucalyptus globulus is blue gum. Illustrated is a spray of mature foliage and two…

The common name of eucalyptus globulus is blue gum. Illustrated are shoots on a young plant. The leaves are thick and six to twelve inches long. The leaves on young shoots are opposite and broad.

Eucalyptus Globulus

The common name of eucalyptus globulus is blue gum. Illustrated are shoots on a young plant. The leaves…

The common name of eucalyptus diversicolor is karri. The leaves are dark green with diverging veins. The flowers bloom February to May.

Eucalyptus Diversicolor

The common name of eucalyptus diversicolor is karri. The leaves are dark green with diverging veins.…

Illustrated are leaves of glasshouse eupatoriums. The varieties included are (a) E. riparium, (b) E. vernale, (c) E. glandulosum, and (d) E. glabratum.

Glasshouse Eupatoriums

Illustrated are leaves of glasshouse eupatoriums. The varieties included are (a) E. riparium, (b) E.…

Mexican fire plant is the common name of euphorbia heterophylla. It is native in a range from the eastern and central United States to Peru. The leaves are dark green, with some bright red at the base.

Mexican Fire Plant

Mexican fire plant is the common name of euphorbia heterophylla. It is native in a range from the eastern…

Euptelea polyandra is native to Japan. The leaves are usually a roundish, egglike shape. The margins of the leaves are coarsely toothed.

Euptelea Polyandra

Euptelea polyandra is native to Japan. The leaves are usually a roundish, egglike shape. The margins…

The leaves of evonymus radicans are generally rounded and narrow at the base. They are usually dull green above with whitish veins.

Evonymus Radicans

The leaves of evonymus radicans are generally rounded and narrow at the base. They are usually dull…

Larix occidentalis is a tall tree, growing 150 feet. The bark is dark and becomes cinnamon red on older trees. The leaves are rigid and sharply pointed.

Larix Occidentalis

Larix occidentalis is a tall tree, growing 150 feet. The bark is dark and becomes cinnamon red on older…

European larch is the common name of larix decidua. The branchlets are slender and yellowish. The leaves are soft and triangular.

European Larch

European larch is the common name of larix decidua. The branchlets are slender and yellowish. The leaves…

Sweet bay is the common name of laurus nobilis. The leaves are stiff, dull green, and alternate. The tree sometimes obtains a height of forty to sixty feet. Pictured are trees in tubs.

Sweet Bay

Sweet bay is the common name of laurus nobilis. The leaves are stiff, dull green, and alternate. The…

Licula peltata is a showy, dwarf fan palm native to India. The leaves are round and three to five feet in diameter.

Licula Peltata

Licula peltata is a showy, dwarf fan palm native to India. The leaves are round and three to five feet…