. 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. abundant eastw. Fig. 536. â Hybridizes with C. lupulina. Very tafiabifi, passing to many scarcely distinguishable forms, and to Var. grdcilis (Boott) Bailey. Slender, 3-7 dm. high ; leaves 2-0 mm. wide; spikes 1-4 cm. long, cm. thick. (C Baileyi Brltton). â Cool woods and meadows, Me. to w. N. Y., and in the mts. to Tenn., local. Fig. 537. 168. C. Schweinitzii Dewey. Soft but erect, dm. high, yelloiiiish-green, becoming straw-colored
. 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. abundant eastw. Fig. 536. â Hybridizes with C. lupulina. Very tafiabifi, passing to many scarcely distinguishable forms, and to Var. grdcilis (Boott) Bailey. Slender, 3-7 dm. high ; leaves 2-0 mm. wide; spikes 1-4 cm. long, cm. thick. (C Baileyi Brltton). â Cool woods and meadows, Me. to w. N. Y., and in the mts. to Tenn., local. Fig. 537. 168. C. Schweinitzii Dewey. Soft but erect, dm. high, yelloiiiish-green, becoming straw-colored in di^ ing; culm solitary, from creeping rootstock, fiattish and smooth ; leaves cm: broad, the radical longer than the culm, the others mostly short; spikes 3-5, the lower one or two short-pe- duncled, th^others subsessile and â a? r inr ,â: approximate, narrowly long-cylindri- ' '⢠° cal ( cm. long, 8-13 mm. thick), ascending; perigynia thin and somewhat inflated, few- nerved, the long beak short-toothed, ascending ; scales awned and commonly rough at the tip, a little shorter than the perigynia. â Swamps and wet calcareous soil, s. Vt. to Ont., s. to Ct., n. N. J., and Mich. June, July. Fig. 538. 169. C. retr(5rsa Schwein. Stout, m. high; culm obtusely angled and smooth or nearly so; leaves and bracts cm. broad, soft, roughish, much longer than the culm ; staminate spikes 1-4, sessile or short- peduncled; pistillate spikes .3-8, approximate near the top of the culm or the lowest remote, all but the lowest 1 or 2 sessile or subsessile, cm. long, cm. thick, compactly fiowered, erect or spreading; peri- gynia very thin and papery, much inflated, promi- nently nerved, strongly reflexed, conic-ovoid, long- beaked, 8-10 mm. long, much exceeding the acximinate scales. â Wet places, e. Que. to the Saskatchewan and B. C, s. to Pa., the Great Lakes, la., Ida., and Ore. July-Oct. Fig. 539. â Hybridizes with G. rostrata. Var. Robins6nii
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