. A Manual of botany : being an introduction to the study of the structure, physiology, and classification of plants . Botany. LABIATE. 553 sometimes 2 by abortion, inserted into the corolla, and alternate with the lobes of the lower lip; anthers 2-celled, or 1-celled by Kg. 779. Fig. 782. Pig. 783. or by absorption of the septum (fig. 365, p. 223); connective some- times large and distractile (fig. 365 c, p. 223). Disk fleshy. Ovary free, deeply 4-lobed (figs. 436, p. 247; 779); ovules 4; style 1, basilar (figs. 436, p. 247; 781 s); stigma bifid (fig. 781 s), usually acute. Fruit c
. A Manual of botany : being an introduction to the study of the structure, physiology, and classification of plants . Botany. LABIATE. 553 sometimes 2 by abortion, inserted into the corolla, and alternate with the lobes of the lower lip; anthers 2-celled, or 1-celled by Kg. 779. Fig. 782. Pig. 783. or by absorption of the septum (fig. 365, p. 223); connective some- times large and distractile (fig. 365 c, p. 223). Disk fleshy. Ovary free, deeply 4-lobed (figs. 436, p. 247; 779); ovules 4; style 1, basilar (figs. 436, p. 247; 781 s); stigma bifid (fig. 781 s), usually acute. Fruit consisting of 1-4 achsenia, enclosed within the persistent calyx (figs. 436, p. 247; 782). Seeds erect (fig. 783); albumen either 0, or in small quantity; embryo erect (fig. 783 e); cotyledons flat; radicle inferior.—Herbs or undershrubs, with tetragonal stems, opposite exstipulate leaves, and cymose inflorescence, the flowers Figs. 779-783. Organs of fructification of Lamium album, to illustrate the natural order LabiatEC. Fig. 779. Diagram of tbe ilower, witli the pentamerous calyx; pentamerous corolla, having two lips, the'upper lip being formed of two united petals, the lower of three; four stamens, in consequence of one being undeveloped, and four divisions of the ovary. Fig. 780. Entire flower viewed laterally, c. Five-cleft calyx. (, Tube of the corolla. ?s, Upper lip of two petals, li, Lower lip of three, s, Style. Fig. 781. The flower cut vertically, c, Calyx, p, Corolla, e, Didynamous 'stamens, s, Style and bifid stigma, o. Ovary. Fig. 782. Fruit (a tetrachranium) cut vertically, showing the carpels, .two of which have been removed, c. Persistent calyx, g, Fleshy disk or gland, r, Gynobasic receptacle bearing the style, s, which is basilar, arises from the lower;part of the carpels, o. Two carpels, which form achaenia when ripe. Fig. 783. A carpel cut vertically. 33, Pericarp. *, Integument of the seed, e. Embryo erect with inferior Please note that th
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1875
