Yarrow
"Head of yarrow. A, top view; B, lengthwise section. re, receptacle; i, involucre; r, ray-flowers; d,…
Inflorescence
"Diagrams of inflorescence. A, panicle; B, raceme; C, spike; D, head; E, umbel." -Bergen, 1896
Mouse-Ear Chickweed
"Compound cyme of mouse-ear chickweed. t, the terminal (oldest) flower." -Bergen, 1896
Grass Inflorescence
"Diagram of inflorescence of a grass. g, sterile glumes; P1, a flowering glume; P2, a scaly bract (palea);…
Fescue Grass
"Fescue-grass (Festuca pratensis). A, spikelet; B, a flower, the lodicules in front and the palea behind;…
Sedge
"Inflorescence, flower, and seed, of a sedge. (Great Bulrush, Scirpus lacustris.) A, magnified flower,…
Common Sweet Flag
"Acorus calamus. A, spadix; B, a single flower, enlarged; C, diagram of flower, enlarged." -Bergen,…
Iris
"Iris. I, flower; II, seed, longitudinal section; III, flower with outer segments of perianth removed;…
Iris
"Iris. I, flower, longitudinal section, ov., ovary; II, diagram, showing stigmas opposite the stamens;…
Alder Flowers
"Alnus glutinosa. A, a flowering twig; s, staminate catkins; p, pistillate catkins; B, a group of staminate…
Elm Flowers
"Ulmus campestris. A, a flowering twig; B, a flower; C, longitudinal section of a flower; D, a fruit."…
Flowering Spurge
"Euphorbia corollata. A, flower-cluster with involucre, the whole appearing like a single flower; B,…
Heartsease
"Viola tricolor. A, stamens and pistil; B, pistil with stamens removed; C, pod split open." -Bergen,…
Begonia
"Begonia Flowers. A, staminate flower; B, pistillate flower; C, twisted stigmas, enlarged; D, cross-section…
Umbelliferae
"Flower and fruit of Umbelliferae. A, flower of Foeniculum; B, fruit of Heracleum; C, fruit of Heracleum,…
Milkweed
"Flower of Asclepias Cornuti. A, entire flower; B, vertical section; C, diagram; D, details of pollen-masses…
Plantain Flowers
"Flowers of plantain (Plantago), enlarged. A, earlier stage, pistil mature, stamens not yet appearing…
Cornflower
"Bachelor's Button. I, vertical section of the receptacle; II, style and forked stigma; III, corolla,…
Cornflower
"Bachelor's Button. I, a tubular flower; anth, the united anthers; II, fruit; III, fruit, vertical section;…
Yarrow
"Flower-cluster of yarrow (Achillea Millefolium). A, head seen from above; B, longitudinal section;…
The Gutta-percha tree
"It is a very large tree, the trunk being sometimes three feet in diameter, although it is of little…
Clove Tree
Cloves trees are native to Indonesia. Flower buds from the tree, once dried, are used as a spice in…
Twining Hyacinth of California
" Our engraving represents a wonderfully singular and beautiful plant, which grows among the mountains…
The Starfish Cactus
"Flowers often grow out of the cacti in a very unexpected fashion and of very curious forms. We give…
Quatrefoil Architecture
In architecture, an opening or a panel dividing by cusps or foliations into four leaves, or more correctly…
Raffle'sia Flower
This gigantic flower, one of the marvels of the vegetable world, was discovered in the interior Sumatra…
Illustration of Roots and Jericho Rose
A small cruciferous plant, growing in arid Arabia and Palestine. When full grown and ripe its leaves…
Rose Brickwork Window
A circular window, divided into compartments by mullions and tracery radiating from a centre, also called…
Rue Plant
A strong-scented herbaceous plant of the genus Ruta, nat. order Rutacae, a native of S. Europe, but…
Sea Anemones
The popular name given to a number of animals of the subkingdom Coelenterata and class Actinozoa, including…
A Section of the Eye Seen from Within
A section of the eye seen from within. Labels: 1, The divided edge of the three coats. 2, The pupil.…
Flower Parts
"Diagram to show the essential parts of a "flowering" plant. t.r., tap-root; cot. seed-leaf (cotyledon);…
Tulip Bulb
"Tulip bulb; longitudinal section. F, solid stem; B, flower bud; S, leaf-bases serving as bud-scales,…
Water Hyacinth Roots
"Roots of the water-hyacinth (Eichornia crassipes Solms), showing removable root-caps; b, root-cap removed…
Dandelion Scape
"Portion of dandelion scape, showing "curls" resulting from longitudinal tissue-tension." -Gager, 1916
Intestinal Villus of a Cat
A vertical section of an intestinal villus of a cat. Labels: a, the striated basilar border of the epithelium;…
Villus of a Rat
Section of the villus of a rat killed during fat absorption. Labels: ep, epithelium; str, striated border;…
Ovary of the Cat
View of a section of the ovary of the cat. Labels: 1, outer covering and free border of the ovary; 1',…
Rose Family
"Rosa rugosa, at left; Crataegus punctata, at right. The fruit is composed of the ripened ovary, reinforced…
Monocotyledonous Morphology
"Morphology of typical monocotyledonous plant. A, leaf, parallel-veined; B, portion of stem, showing…