. 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. 170 GEAMINEAB (GRASS FAMILY;). 196. E. areiiarius x %. Two apikelets. Spikelet with glumes detached. a a. SpikeUts appressed to the rhachis. 1. E. Macoiinii Vasey. Culms 3-8 dm. high; sheaths glabrous or the lower sparsely pilose; blades 8-16 cm. long, i mm. wide or less, erect, often involute in drying, scabrous, the lower usually pilose on the upper surface ; spikes narrow, 6-10 cm. long; spikelets 1-i-fiuwered, the lower solitary and often ap
. 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. 170 GEAMINEAB (GRASS FAMILY;). 196. E. areiiarius x %. Two apikelets. Spikelet with glumes detached. a a. SpikeUts appressed to the rhachis. 1. E. Macoiinii Vasey. Culms 3-8 dm. high; sheaths glabrous or the lower sparsely pilose; blades 8-16 cm. long, i mm. wide or less, erect, often involute in drying, scabrous, the lower usually pilose on the upper surface ; spikes narrow, 6-10 cm. long; spikelets 1-i-fiuwered, the lower solitary and often apparently with 3 glumes, the missing spikelet being reduced to a single glume; glumes linear- lanceolate, 3-nerved, scabrous, tapering into an awn; lemmas 8-10 mm. long, scabrous above, with a slender awn 6-10 mm. long. â Prairies, Minn., la., and westw. 8. E. glaiicus Buckley. Glabrous ; culms 5-10 dm. high ; leaves dm. long, 4-8 mm. wide, rather thin, flat, scabrous; spikes ^lender, the internodes 8-10 mi/i. long ; spikelets 3-8-flowered ; glumes linear-lanceolate, 3-5-nerved, smooth or scabrous on the nerves, short-awned, shorter than the nearly smooth lemma which bears an awn twice its own length. âMoist soilj Ont. to Mich., and westw. July, Aug. f- â >- Glumes and lemmas not rigid, aionless ; plants reed-like. 9. E. arenHrius L. Culms stout, 6-12 dm. high, from extensively creeping rootstocks; leaves firm, setaceous-involute toward the ends, the basal ones crowded, 2-3 cm. long, the upper shorter; spike stiff, dense, 8-25 cm. long, cm. thick; spikelets in pairs or solitary, 3-7-flowered, cin. long, often glaucous ; glumes and lemmas acuminate or mucronate, short-villous. {E. mollis Trin.) â Maritime sands, Lab. to Me.; and shores of the Great Lakes. (Eurasia.) Fig. 196. * * Glumes reduced to short awns. 10. E. diversiglimis Scribn. & Ball. Culms stout, 9-12 dm. high; leaves lax, dm. long, 6-12 mm. wide, scabrous, setaceous-pointed; spike
Size: 1699px × 1471px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisher, booksubjectbotany
