. Beginners botany. Botany. 76 BEGLVNERS' BOEAjVY. Fig. 97.—Digitately Parted Leaves OF Begonia. parted, if the sinuses reach two thirds or more to the midrib (Fig. 97); divided, it'tho sinuses reach nearly or quite to the midrib. The parts are called lobes, divisions, or seg- ments, rather than leaf- lets. The leaf may be pinnately or digitately A pinnately parted or B^ lobed, parted, cleft, or divided cleft leaf is sometimes said to be pinnatiiid Leaves may have one or all of three parts — blade, or expanded part; pe- tiole, or stalk; stip- ules, or -*^ appendages at the base of the petiole.


. Beginners botany. Botany. 76 BEGLVNERS' BOEAjVY. Fig. 97.—Digitately Parted Leaves OF Begonia. parted, if the sinuses reach two thirds or more to the midrib (Fig. 97); divided, it'tho sinuses reach nearly or quite to the midrib. The parts are called lobes, divisions, or seg- ments, rather than leaf- lets. The leaf may be pinnately or digitately A pinnately parted or B^ lobed, parted, cleft, or divided cleft leaf is sometimes said to be pinnatiiid Leaves may have one or all of three parts — blade, or expanded part; pe- tiole, or stalk; stip- ules, or -*^ appendages at the base of the petiole. A leaf that has all threeof these parts is said to be complete (Figs. 91, 106). The stipules are often green and leaflike and per- form the function fig. 98.—oblong of foliage as in the pea and tlie Japanese quince (the latter common in yards). Leaves and leaflets that have no stalks are said to be sessile (Figs. 98, 103), sitting. Find several 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 Bailey, L. H. (Liberty Hyde), 1858-1954. Toronto : Macmillan


Size: 1709px × 1462px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1920, booksubjectbotany, bookyear1921