. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. GRAMINEAE. Vol. I. 10. Poa crocata Michx. Wood Meadow-grass. Northern Spear-grass. Fig. 613. Poa caesia var. strictior A. Gray, Man. Ed. 5, 629. 1867. P. crocata Michx. Fl. Bor. Am. 1: 68. 1803. Culms 6'-2° tall, erect, simple, slender, sometimes rigid, smooth and glabrous. Sheaths usually shorter than the internodes; ligule J"-l" long, truncate; blad
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. GRAMINEAE. Vol. I. 10. Poa crocata Michx. Wood Meadow-grass. Northern Spear-grass. Fig. 613. Poa caesia var. strictior A. Gray, Man. Ed. 5, 629. 1867. P. crocata Michx. Fl. Bor. Am. 1: 68. 1803. Culms 6'-2° tall, erect, simple, slender, sometimes rigid, smooth and glabrous. Sheaths usually shorter than the internodes; ligule J"-l" long, truncate; blades 1'-4' long, 1" wide or less, erect, smooth or rough; panicle a'-S' in length, open, the branches erect or ascending, rarely spreading, i'-2' long; spikelets 2-5- flowered, ii"-2i" long; lower scales acute or acumi- nate, 1-3-nerved; flowering scales obtuse or acute, i"-ii" long, faintly 5-nerved, somewhat webby at base, the midnerve and the marginal nerves silky-pubescent on the lower half. Labrador to Yukon, Vermont, Minnesota and Alberta, and in the mountains to Colorado and Arizona. June-Aug. Poa nemoralis L., a grass of Europe and Asia, may be found as an occasional introduction. It may be distin- guished from the above by its much narrower empty scales. 11. Poa triflora Gilib. False Red-top. Fowl Meadow-grass. Fig. 614. Poa serotina Ehrh. Beitr. 6 : 83. Name only. P. triflora Gilib. Exercit. 531. 1792. 1791- Culms ii°-5° tall, erect, simple or rarely branch- ed, smooth, glabrous. Sheaths usually shorter than the internodes, smooth and glabrous; ligule i"-2" long; blades 2'-6' long, i"-2" wide, smooth or rough; panicle &-13' in length, open, the branches spreading or ascending, 2'-$' long, di- vided and spikelet-bearing above the middle; spikelets 3-5-flowered, iJ"-2" long, exceeding their pedicels; lower scales acute, glabrous, rough above on the keel, the lower usually i-nerved, the upper 3-nerved; flowering
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