. Foundations of botany. Fig. 19. — Flower and Fruit of Umhelliferae. A, flower of Ffenicidum ; £, fruit of Heraclewn ; C, fruit of ^eracZewni, cross-sec-tion ; o (in A), ovary ; d, disk ; sg, stigma ; s, stamens ; o (in 5, and C), oil-tubes ;r, ribs. A, B, and C all enlarged. flowers perfect or staminate, greenish or yellowish. Calyx-teeth as long as the small petals, sharp-pointed. Fruit ovoid,covered with hooked prickles, ribless, each carpel with 5 oil-tubes. 1. S. marylandica, L. Sanicle, Black Snakeroot. Stem ratherstout, 1^-4 ft, high. Leaves 3-7-parted, the divisions irregularlyserrate
. Foundations of botany. Fig. 19. — Flower and Fruit of Umhelliferae. A, flower of Ffenicidum ; £, fruit of Heraclewn ; C, fruit of ^eracZewni, cross-sec-tion ; o (in A), ovary ; d, disk ; sg, stigma ; s, stamens ; o (in 5, and C), oil-tubes ;r, ribs. A, B, and C all enlarged. flowers perfect or staminate, greenish or yellowish. Calyx-teeth as long as the small petals, sharp-pointed. Fruit ovoid,covered with hooked prickles, ribless, each carpel with 5 oil-tubes. 1. S. marylandica, L. Sanicle, Black Snakeroot. Stem ratherstout, 1^-4 ft, high. Leaves 3-7-parted, the divisions irregularlyserrate or dentate and often cut. Petals greenish-white, very with two slender, recurved styles at the apex. Rich woods. m. ERIGENIA, Nutt, A little smooth plant with a slender, unbranched stem, froma deep, nearly globular tuber. Leaves 1 or 2, twice or thricecompound in threes. Flowers few, small, in an imperfectleafy-bracted umbel. Calyx-teeth wanting. Petals obovate 160 FOUNDATIONS OF BOTANY or spatulate. Frui
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectplants, bookyear1901
