. Elementary botany [microform]. Botany; Botanique. TVPE I.: YELLOW FLAO {/ris/>seudacori:s)* Vegetative perennial herb with a creeping rhizon^e. Th. leaves are mostly radical, sword Hkl? and overlap in an a/uifa,U manner. Inflorescence.—The main type of branchmg is cymose. Flower (figs. 216, 217) actino- ' ' niorphic, 9, cyclic, epigyn- ous. Perianth 3 + 3, united to form a long tube, j)etaIoid, yellow. The free parts of the three peri- anth - leaves, which represent the outer whorl (P), are bent downwards, and each has a FiB. .;f Yen,.,,. Flag T^?"'&
. Elementary botany [microform]. Botany; Botanique. TVPE I.: YELLOW FLAO {/ris/>seudacori:s)* Vegetative perennial herb with a creeping rhizon^e. Th. leaves are mostly radical, sword Hkl? and overlap in an a/uifa,U manner. Inflorescence.—The main type of branchmg is cymose. Flower (figs. 216, 217) actino- ' ' niorphic, 9, cyclic, epigyn- ous. Perianth 3 + 3, united to form a long tube, j)etaIoid, yellow. The free parts of the three peri- anth - leaves, which represent the outer whorl (P), are bent downwards, and each has a FiB. .;f Yen,.,,. Flag T^?"'"^ ,^^"^ 9^ middle line. The free portions of the inner periaiXl^vef ('l? are smaller and incline upwards. Stamens (a) 3 + o, 1nser fd on the perianth opposite to the outer whorl of perianth-leaves anthers extrorse. Car^e/s three, syncarpous inferio tlj Snti"^ !i-e-chambered, with m'any 'ovules on an'ax! placenta. The style (.v) is single below, but above it divides nto three broad flattened petaloid branches, which are opposite to, and arch over the three stamens (see also fig. 218). On the thin'Th i T'^ ^r^-^^^' ^^^"* °^ ^he style Ihere is a small thin shelf {sg) whose upper face is the stigma. The three chambers of the ovary and the three branches of the style are opposite to the three stamens. This fact convinces us thai he three carpels do not alternate with the three stamens Why are the carpels thus opposite to, or superposed on, the tamens ? If we bok at a floral-diagram of a Liliaceous plant' and compare it with that of the Yellow Flag, we note th^t the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Groom, Percy, 1865-1931; Penhallow, D. P. (David Pearce), 1854-1910. A manual of the more common herbaceous plants of Quebec and Ontario; Gray, Asa, 1810-1888. Elements of botany.
Size: 1796px × 1392px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublisher, booksubjectbotany
