. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. COMPOSITAE (COMPOSITE FAMILY) 841. B. cerniia. olive or brown, nearly glabrous, obscurely nerved or nerveless, sometimes punctate ; awns nearly J as long as the achene, equaling the i-loothed pale-yellow corolla. (B. connata, var. Gray.) —Sandy shores and rich soil, N. E. to Minn., westw. and southw. Sept., Oct. Fis. 997. ^S'l'- acita Wiegand. Leaves subsessile ; heads larger; outer bracts sbortei (barely twice exceeding the disk), spreading, ac


. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. COMPOSITAE (COMPOSITE FAMILY) 841. B. cerniia. olive or brown, nearly glabrous, obscurely nerved or nerveless, sometimes punctate ; awns nearly J as long as the achene, equaling the i-loothed pale-yellow corolla. (B. connata, var. Gray.) —Sandy shores and rich soil, N. E. to Minn., westw. and southw. Sept., Oct. Fis. 997. ^S'l'- acita Wiegand. Leaves subsessile ; heads larger; outer bracts sbortei (barely twice exceeding the disk), spreading, acute. (B. acuta Britton.) — Mo. and Kan. 7. B. connata Muhl. (Swamp Beggak-ticks.) Tall and branching, m. high; leaves bright green, undivided or some of the lower deeply parted, lanceolate or elliptic, large, acuminate, slender-petioled, coarsely serrate ; heads about 1 cm. high, short-pedunculate; outer invo- lucre ofi or 5 short entire bracts; rays golden-yellow, generally wanting; achenes 4-6 mm. long, cuneate, the outer 3-angled and 3-awned, inner 4-angled, 4-awned ; awns barely half as long as the achene, retrorsely barbed, equaling the b-toothed corolla.— B tonnata Swamps and ditches, N. E. to Minn, and Mo. Sept. (Estab- lished in Eu.) Fig. 998. Var. pinnata Wats. Leaves nearly all pinnately divided, the 5-7 divisions sparingly incised; achenes 4-awned. — Hennepin Co., Minn. (^F. L. Couillard). 8. B. cSrnua L. (Stick-tight.) Smooth or hispidulous, 2-7 dm. high ; branches short; leaves lanceolate to linear- lanceolate, acuminate, unequally serrate, connate at base; heads erect in anthesis, short-pedunculate ; outer involucre longer than the head; rays, when present, one half exceeding the disk or longer; achenes wedge-obovate, 5-6 mm. long, 4-awned, 4-angled, retrorsely-barbed, tuberculate on the angles, and prominently many-nerved ; awns half as long as the achene, shorter than the yellow 5-toothed corolla. — Wet places, throughout. July-Oct. (Eu.) Eig.


Size: 1468px × 1702px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, bookpublisher, booksubjectbotany