. Botany, an elementary text for schools. Botany. SHAPE OF LEAVES 95. The shape of many leaves is described in combinations of these terms, as ovate-lanceolate, lanceolate-oblong. 199. The shape of the base and apex of the leaf or leaflet is often characteristic. The base may be rounded (Fig. 124), tapering (Fig. 127), cor- date or heart-shaped (Fig. 139), truncate or sqnared as if cnt off. The apex may be blunt or obtuse, acute or sharp, acum- inate ov long-pointed, truncate (Fig. 141). 200. The shape of the mar- gin is also characteristic of each kind of leaf. The mar- gin is entire wlicn it
. Botany, an elementary text for schools. Botany. SHAPE OF LEAVES 95. The shape of many leaves is described in combinations of these terms, as ovate-lanceolate, lanceolate-oblong. 199. The shape of the base and apex of the leaf or leaflet is often characteristic. The base may be rounded (Fig. 124), tapering (Fig. 127), cor- date or heart-shaped (Fig. 139), truncate or sqnared as if cnt off. The apex may be blunt or obtuse, acute or sharp, acum- inate ov long-pointed, truncate (Fig. 141). 200. The shape of the mar- gin is also characteristic of each kind of leaf. The mar- gin is entire wlicn it is not indcntiMl or cut in any "way (Fig. 137). \Vlicii not entire, it nniy be undulate or Avavy (Fig. 12G), serrate or saw-toothed (Fig. l-'J!)), dentate or more coarsely notched (Fig. 124), crenate or round- toothed, lobed, etc. 201. Leaves often differ greatly in form on tlic saiur plant. 01)scrv(' the differ- ent shapes of leaves on the young growths of nudberries and wild gi-apes ; also on vigorous s(iuasli and |Miiiipkin vines. In some cases then' may be simjile and ccnujtound leaves on t he same jihiul. This is marked in the so-eaHed I'oston ivy or am|M'h)psis (F'ig. 142). a \iiie which is used to cover Iti'ick ami stone hiiil(linL;"s. hitTci'enl degr-ecs of coiii|ionii(ling, even in tlie same leaf. iiia\ often be t'ouud in iione\ hx'usi and. 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. New York Macmillan
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Keywords: ., bookauthorbai, bookcentury1900, bookdecade1900, booksubjectbotany
