. Selected western flora : Manitoba, Saskatchewan, Alberta . Botany; Botany; Botany. ONAGRACEiB 95 1. (E. biennis, L. Common Evening Primrose. Biennial, producing a strong root and a large rosette of leaves the first year; stout, erect, 2-4 ft. high, usually simple, somewhat pubescent with spreading hairs; leaves lanceolate to oblong; flowers large, yellow, erect, closing in the hot sun; lobes'of the stigma linear. Open ground, common, 2. QE. pallida, Lindl. White-stemmed Evening Primrose. Erect, simple or branched, 1-3 ft. high; stem white, often with shreddy bark; leaves linear to
. Selected western flora : Manitoba, Saskatchewan, Alberta . Botany; Botany; Botany. ONAGRACEiB 95 1. (E. biennis, L. Common Evening Primrose. Biennial, producing a strong root and a large rosette of leaves the first year; stout, erect, 2-4 ft. high, usually simple, somewhat pubescent with spreading hairs; leaves lanceolate to oblong; flowers large, yellow, erect, closing in the hot sun; lobes'of the stigma linear. Open ground, common, 2. QE. pallida, Lindl. White-stemmed Evening Primrose. Erect, simple or branched, 1-3 ft. high; stem white, often with shreddy bark; leaves linear to oblong, mostly sessile; flowers large, axillary, white, turning pink. ((B. albicaulia.) Dry prairies, Alta. 3. (E. traoba, Nutt. Perennial, glabrous, stemless or nearly so; leaves pinnatifid or sinuate-toothed, petioled; flowers white or pink, the petals often 3-lobed; pod short. Clay soil, S. W. Man. and S. Sask. 4. (E. casspitSsa, Nutt. Stemless perennial from woody root; leaves oval to oblanceolate, tapering to a, slender petiole, often densely pubescent, more or less pinnatifid but not deeply "cut; flowers white, the petals broad and ob- cordate. Dry hills, Sask. and Fig. 69.— Ollnothera biennis (Fruit). 5. CE. serrulata, Nutt. Slender, erect or ascending, simple or branched, 6-18 in. high, mostly glabrous, but canescent on the younger parts; leaves linear to lanceolate, sharply but shallowly dentate or denticulate; calyx tube funnel-form, often silvery-canescent; petals yellow, broadly obovate; stigma scarcely lobed Dry slopes, 3. GAURA. Calyx tube much prolonged, deciduous, 4-lobed, the lobes reflexed; petals 4, clawed, rose-eolored; stamens 8, often turned down; style long, slender, deflexed; stigma 4-lobed, surrounded by a sort of ring; fruit hard, 1-celled, 1-4-seeded; flowers rather small, in spikes or racemes. 1. G. coccfnea, Pursh. Ascending, 4-12 in. high, usually canescent; leaves linear to lanceolate; flowers rose-colored turning r
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1915
