Text-book of structural and physiological botany . 1), pedati- nerved C^YSi, iS? D. 102) or ^*^* ^9^*—Palminerved leaf of Geranhtm^ o* o? F* / /r<*i^«5^ (nature-printed). peltinerved i^\g, 162, p. 96), are given, according to the shape of the leaf. When themid-rib runs through the leaf to its apex, sending out lateralbranches from each side, the leaf \^ pinnatinerved (Fig. 163,p. 97). When several nerves enter the leaf from the stemor petiole, they may be nearly straight and parallel to oneanother, as in grasses, or somewhat curved as in the lily of thevalley, but are said in either case to


Text-book of structural and physiological botany . 1), pedati- nerved C^YSi, iS? D. 102) or ^*^* ^9^*—Palminerved leaf of Geranhtm^ o* o? F* / /r<*i^«5^ (nature-printed). peltinerved i^\g, 162, p. 96), are given, according to the shape of the leaf. When themid-rib runs through the leaf to its apex, sending out lateralbranches from each side, the leaf \^ pinnatinerved (Fig. 163,p. 97). When several nerves enter the leaf from the stemor petiole, they may be nearly straight and parallel to oneanother, as in grasses, or somewhat curved as in the lily of thevalley, but are said in either case to \i^ patallel-veined. The writers. They may be combined in a variety of ways, as linear-lanceo-late, cordate-ovate, &c. The following, not mentioned in the text, arealso in use among English writers : deltoid, with three nearly equalangles ; subulate, nearly cylindrical and awl-shaped ; apiculate, endingin a short sharp point ; cuspidate, with a slenderer sharp point. Themargin is revolute when turned backwards on to the under side.—Ed.]. io6 Structural and Physiological Botany, finest ramifications of veins are found almost without excep-tion in twining plants among Dicotyledons.^ The lamina is as a rule flat, rarely cylindrical (Fig. 192),


Size: 1592px × 1569px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1870, bookpublishernewyorkjwileysons