. 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. IRIDACEAE (lUlS FAMILY) 503 7. S. montanum Greene. Similar, pale green or glaucesoent; spathes pale green or straw-color, the outer bract cm. long, the inner cm. long; capsule whitish-green to straw-color. â Gasp6 Penins., Que.; Mich.; Minn.; Rocky Mts. June, July. f/^ S. iNTEKjiEuiuM Bicknell appears to include inconstant and not very clearly marked forms intermediate between S. mucronatum, S. angnstifoliwn, and S. gramineiim. 8.
. 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. IRIDACEAE (lUlS FAMILY) 503 7. S. montanum Greene. Similar, pale green or glaucesoent; spathes pale green or straw-color, the outer bract cm. long, the inner cm. long; capsule whitish-green to straw-color. â Gasp6 Penins., Que.; Mich.; Minn.; Rocky Mts. June, July. f/^ S. iNTEKjiEuiuM Bicknell appears to include inconstant and not very clearly marked forms intermediate between S. mucronatum, S. angnstifoliwn, and S. gramineiim. 8. S. Farwfillii Bicknell. Loosely tufted, from a fibrous-sheathed base; stems flezuous, branched, slightly glaucous, 2-3 dm. high, 1-2 mm. broad, winged, twice exceeding the slightly broader leaves; bracteal leaf loosely clasping, shorter than the (4-11 cm. long) curved slender peduncles; spathes dm. long, the bracts subequal, yellowish-green, thin and membranous ; flowers pale blue, on flexuous exserted pedicels. â âLocal, s. e. Mich. 9. S. arenfcola Bicknell. Similar, but usually blackening in drying, and rather stouter, the violet flowers on erect or only slightly curved pedicels. â Sandy soil, near the coast, Mass. to N. J. 10. S. strlctum Bicknell. Bright green, 3 dm. high; the winged stems mm. wide, slightly exceeding the scarcely broader leaves ; bracteal Zea/about equaling the strict peduncles, 6-9 cm. long; spathes cm. long, pale green, tinged with purple, the bracts subequal, or the inner longer; pedi- cels strict, barely exserted ; flowers violet. â Montcalm Co., Mich. L^ 11. S. gramineum Curtis. Loosely tufted, bright green or glaucescent, 1-5 dm. high, the ascending flexuous or even geniculate broad-winged flat stems 2-0 mm. wide, usu- ally exceeding the grass-like leaves ; bracteal _ leai broad, usually shorter than the flat peduncles; spathes green, erect, the bracts subequal, cm. long, or the outer somewhat elon- gated ; flowers blue;
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