Pandanus
"Dorystigma. 1. a corolla laid open; 2. calyx and pistil; 3. seed; 4. section of ditto." -Lindley, 1853
Herb Paris
"Paris quadrifolia. 1. A transverse section of an ovary; 2. perpendicular section of the ripe fruit;…
Pea Embryo
Embryo of pea, i.e. a pea with the coats removed; the short and thick caulicle presented to view.
Pea Germination
Pea germination: the plumule has developed four or five internodes, bearing single leaves; but the first…
European Pear
"1. branch of Pyrus communis; 2. its flower divided vertically; 3. a cross section of its fruit." -Lindley,…
Peng
"Celastrus paniculatus. 1. a flower; 2. a perpendicular section of the ovary; 3. a cross section of…
Pepper
"Serronia Jaborandi. 1. a cluster of flowers magnified; 2. a ripe fruit; 3. a vertical section of the…
Peppermint
A piece of the running rootstock of the Peppermint, with its node or joint, and an axillary bud ready…
lesser Periwinkle
"Vinca minor. 1. corolla opened; 2. style and stigma; 3. perpendicular section of the double ovary;…
Violetflower Petunia
Petunia violacea or the violetflower petunia is a trumpet shaped flowering plant of the Solanaceae family.
Philesia and Copihue
"Philesia buxifolia; 2. stigma of Lapageria rosea (Copihue); 3. its ovary cut across; 4. its ovule."…
Polypodium Phyllitidis
A stout fern with brown scales. Fronds range between 1 foot and 3 feet in length, and 1 inch in width.
Phylloxera Vastatr
Phylloxera Vastatrix- a, an unaffected rootlet of grape; b, rootlets with newly-formed galls; c, same,…
Physostemon lanceolatum
"Pysostemon lanceolatum. 1. a flower of the natural size; 2. the calyx, stamens, and ovary; 3. the ripe…
Pickerelweed
Also known as Pontederia cordata. A blue plant with numerous spikes of blue flowers. It generally is…
Polypodium Piloselloides
A wide-creeping fern with squarrose scales. Fertile fronds are narrow and long, whereas the barren ones…
Blue Pincushion
"Brunonia sericea. 1. a complete flower; 2. the pistil; 3. a ripe fruit; 4. embryo." -Lindley, 1853
Bishop Pine
"Cone of Pinus muricata, showing the difference between the outer and inner sides of the same strobilius…
Section of Pine-seed
Section of a Pine-seed, showing its polycotyledonous embryo in the centre of the albumen; moderately…
Seedling of Pine-seed
Seedling of pine-seed, showing the freshly expanded six cotyledons in a whorl, and the plumule just…
Pinnate Leaves
From left to right: Pinnate with odd leaflet, Pinnate with a tendril in place, Pinnate with even pairs.
Pinnately Leaves
From left to right: pinnately lobed, pinnately cleft, pinnately parted, pinnately divided.
Pistil
A simple pistil (of Isopyrm), with ovary cut across; the inner (ventral) face turned toward the eye:…
Pistil
A pistil, that is, a scale of the cone, of a Larch, at the time of flowering; inside view, showing its…
Pistil
Pistil of Geranium or Cranesbill, ripe, with the five carpels splitting away from the long beak (carpophore),…
Pitch Pine
Piece of a branch of Pitch Pine, with three leaves in a fascicle or bundle, in the axial of a thin scale,…
Pitch Pine Seed
Inside view of a separated scale or open carpel of a Pitch Pine cone with a seed in place.
Pitcher Plant
"Nepenthes distillatoria. 1. male; 2. female; 3. ripe fruit; 4. a section of a seed very highly magnified."…
Marsh Pitcher Plant
"Heliamphora nutans. 1. the stamens and pistil; 2. the latter separate; 3. a cross section of the ovary;…
Flowering Pixiemoss
"Pyxidanthera barbulata. 1. corolla cut open; 2. perpendicular section of the ovary; 3. anther; 4. seed;…
