. Botany, an elementary text for schools. Botany. 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
. Botany, an elementary text for schools. Botany. 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. 131. Two imirs ol' i-miiiiilo toikVOS of hoiu'ysuc' 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
