. Flora of southern British Columbia and Vancouver Island [microform] : with many references to Alaska and northern species. Botanique; Botanique; Botanique; Botany; Botany; Botany. AM 320 COMPOSITiE 5. A. chlorantha Greene. Loosely tufted, about 1 dm. high, the short stolons not densfily leafy; basal leaves cuneate-obovate to obovate-spatu- late, acutish and mucronulate, green above in the second year, glabrate below the largest abcu 2-5 cm. long; the subsessile heads about 5; bracts of the involucre of the pistillate heads with long, deep-green scarious . ps elongated and mostly acute, the i


. Flora of southern British Columbia and Vancouver Island [microform] : with many references to Alaska and northern species. Botanique; Botanique; Botanique; Botany; Botany; Botany. AM 320 COMPOSITiE 5. A. chlorantha Greene. Loosely tufted, about 1 dm. high, the short stolons not densfily leafy; basal leaves cuneate-obovate to obovate-spatu- late, acutish and mucronulate, green above in the second year, glabrate below the largest abcu 2-5 cm. long; the subsessile heads about 5; bracts of the involucre of the pistillate heads with long, deep-green scarious . ps elongated and mostly acute, the innermost acuminate. Chilliwack Mts.; Mt. Benson and Strathcona Park, V. I. 6 A. racemosa Hook. Stem slender, pubescent, 1-4 dm. high, its 4-6 leaves oblong-lanceolate; stolons not densely leafy; the lower leaves elliptical or obovate or oblanceolate, obtuse or acute, mucrorate, minutely whitish- puncticulate, glabrous above, loosely tomentose beneath, becoming glabrate the second year, 2-5 cm. long; heads 8 mm. long, more or less racemose, mostly on long peduncles; the bracts of pistillate head greenish, tinged with brown, or sometimes with pink, arachnoid, the lower obtuse, the upper acute. Plains and di v woods, Lyttoij, eastward. 7 A. ezimla Grf ?. Stems stoutish, 3 dm. high, more or less; basal stolons short, densely leafy, their leaves about cm long, narrowly obo- vate-cuneiform, otherwise much as in i4. racemosa; stem-leaves many, approxi- mate; heads many and large, forming an ample compound corymb, 4-5 cm. broad; outer bracts of involucre arachnoid-woolly, greenish with short, scanous obtuse tips or none; the inner acute or acuminate; male plant unknown. Dry wocds, Skagit Valley; Mt. Benson, V. I. 8 A. media Greene. Tufted, £ 'â ) cm. high, stolons 1-3 cm. long; basal leaves obovate or spatulate, 8-20 ex long, densely tomentose; stem-leaves several, narrow; pistillate heads den;c'y clustered 5-6 mm. high, their inner bracts lanceolate; staminate heads looser, th


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1915