An illustrated guide to the flowering plants of the middle Atlantic and New England states (excepting the grasses and sedges) the descriptive text written in familiar language . witliout leaf-stalks. Rece])tacle flat or convex, chaffy; ray flowersbearing pistils and producing fruit; disk flowers bearing both stamensand i)istils, also fertile. E. alba, (L.) Hassk. (Fig. 4, pi. 188.) Eclipta. A rough plantwith a procumbent or erect branching stem A to 3 ft. high, and laiice-shaped leaves with low teeth at the margins, 1 to 5 in. long. Heads onvery short flower stems, numerous, about * in. broad,
An illustrated guide to the flowering plants of the middle Atlantic and New England states (excepting the grasses and sedges) the descriptive text written in familiar language . witliout leaf-stalks. Rece])tacle flat or convex, chaffy; ray flowersbearing pistils and producing fruit; disk flowers bearing both stamensand i)istils, also fertile. E. alba, (L.) Hassk. (Fig. 4, pi. 188.) Eclipta. A rough plantwith a procumbent or erect branching stem A to 3 ft. high, and laiice-shaped leaves with low teeth at the margins, 1 to 5 in. long. Heads onvery short flower stems, numerous, about * in. broad, witii short whiteraya. Along streams and in waste places. Naturalized, July-Oct, 30. RUDBECKIA, rough herbs witli rigid stems and leaves, the latter alternateand showy, terminal heads with conspicuous yellow rays. Leaves, lobed (irnot, the lower on leaf-stalks, the upper without leaf-stalks. Heads withmany ray flowers; the disk flowers tubular, i)uri)le; receptacle conical orin form of a column, cliaffy. Involucre scales leaf-like in about 2 or moreseries. Ray flowers producing no fruit, disk flowers with stamens andpistils, fruit producing. THISTLE FAMILY 679. Plate 1891. Rudbeckia hirta. 2. R. triloba. 3. U. laciniata. 4. R. fulgida. 5. 680 COMPOSITAE Leaves deeply 3-lobed R. triloba Lower leaves deeply cut, forming a series of opposite lobes (pinnatifid) R. laciniata Lower leaves moderately cut, forming irregular sharp pointed lobes or only very sharply toothed R. speciosa Lower leaves spatula-formed, lance-shaped or egg-shaped with irregular, not very sharp teeth R. fulgida Leaves all lance-shaped, not deeply toothed or cut R. hirta 1. R, triloba, L- (Fig. 2, pi. 189.) Thin-leaved erect, sumewliat branched, rather rough, 2 to 5 ft. high. Leavestliin,rougli on botli sides, the lower deeply cut into 3 lobes, on leaf-stalks, theupper lance-siiaped to egg-shaped, 3-nerved, without leaf-stalks. Headsabout 2 in. broad, each on a slender flow
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1910
