. The botanical class-book, and flora of Pennsylvania, designed for seminaries of learning and private classes. Lowest veinlets longest sending off ve inlets bacJavards. 1. Cordate (heart shaped, ) where the length isgreater than the width, with an ovate form, and hollowed atthe base. Ex. Morning Glory, Lilac. 2. Auriculate (Fig. 35) where the form is oblong withtwo opposite lob:s at the base. Ex. Sage. 3. Hastate (halbert-shaped, Fig. 36) when the formestriangular the base spreading and ending in two oppositepoints, with the sides a little hollowed. Ex. Bittersweet. FORM OF LEAVES. 35 4
. The botanical class-book, and flora of Pennsylvania, designed for seminaries of learning and private classes. Lowest veinlets longest sending off ve inlets bacJavards. 1. Cordate (heart shaped, ) where the length isgreater than the width, with an ovate form, and hollowed atthe base. Ex. Morning Glory, Lilac. 2. Auriculate (Fig. 35) where the form is oblong withtwo opposite lob:s at the base. Ex. Sage. 3. Hastate (halbert-shaped, Fig. 36) when the formestriangular the base spreading and ending in two oppositepoints, with the sides a little hollowed. Ex. Bittersweet. FORM OF LEAVES. 35 4 ? Sagittate (arrow-shaped, Fig. 37) where the leaf isj-riancrufar in outline with pointed descending lobes at thebase. Ex. Seraph-grass (l\)iyganuni eagittatuni,) Arrow- e5. Reniform (kidney-shaped, Fig. 88). A broad leafrounded at the apex, and hollowed out at the base. Ex,Coltsfoot (Asarum), Gill-over-the-ground (Glechoma).86. 37. Yeinlets nearly of an equal length, icith an imperfect devehjoe-mentnf the tissues between them. 1. Eukcinate (lion-toothed, Fig. 39) having the mar-gins cut into transverse acute segments, which turn Dandelion. 2. Lyrate (lyre-shaped, Fig. 40) when the sides ar3 cutinto several lobes or segments of which those next the petiolearc the smallest. Ex. Lyre-leaved Sage, White mustard(Sinapis alba). 39. 40. 41.
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Keywords: ., bookcentury1800, bookdecade, booksubjectbotany, booksubjectplants
