. Rocky Mountain flowers : an illustrated guide for plant-lovers and plant-users. Stems many, clustered, spreading, mostly 2-6 ft. high, from a spreading rootstockx. Anthers long-hairy (x) Corolla swollen above, cm. long; stems glaucous P. strictus (y) Corolla scarcely enlarged, cm. long; stems finely hairy P. Fremontii y. Anthers smooth or sparsely short-hairy(x) Sterile stamen smooth; corolla 4 cm. long P. gldber (y) Sterile stamen beardedm. Stems sticky-hairy above, at leastthe pedicels and calyx(m) Stems smooth; pedicel andcalyx sticky-hairy; flowerswine-colored to nearly
. Rocky Mountain flowers : an illustrated guide for plant-lovers and plant-users. Stems many, clustered, spreading, mostly 2-6 ft. high, from a spreading rootstockx. Anthers long-hairy (x) Corolla swollen above, cm. long; stems glaucous P. strictus (y) Corolla scarcely enlarged, cm. long; stems finely hairy P. Fremontii y. Anthers smooth or sparsely short-hairy(x) Sterile stamen smooth; corolla 4 cm. long P. gldber (y) Sterile stamen beardedm. Stems sticky-hairy above, at leastthe pedicels and calyx(m) Stems smooth; pedicel andcalyx sticky-hairy; flowerswine-colored to nearly black,sometimes pale P. glaucus u) Stems hairy or glandularr. Sterile filament densely beard-ed ; corolla rose to purple, 2-3 cm. long P. cr is tat us s. Sterile filament sparsely short-bearded; corolla white long P. dlbidus n. Stems not sticky-hairy (m) Upper leaves and flower PLATE 23 PENTSTEMONS: BEARD TONGUES 1. Pentstemon secundiflorus 2. Pentstemon glaucus 3. Pentstemon gracilis 4. Pentstemon barbatus 5. Pentstemon confertus 6. Pentstemon unilateralis PLATE EDITH S. CLEMENTS. PINXT ROCKY MOUNTAIN FLOWERS (-OrKAYNP RO«TOW SNAPDRAGON FAMILY ^7 bracts clasping, rounded orbroadly ovate, the baseheart-shapedr. Stems 2-6 ft. high, glaucous;leaves oval to round; flowers4-5 cm. long P. grandifloras s. Stems 1-2 ft.; leaves linear tolance-ovate; flowers long(r) Flower cluster short, dense,the ovoid bracts nearlyconcealing the blue flow-ers beneath; a plainsspecies P. Hdydeni (s) Flower cluster often 6-10in. long, interrupted, thebracts round, pointed,small; flowers rose-pur-ple; at 7-9000 ft. P. cyathophorus[u) Upper leaves and flower bractsnot clasping and cordate,lance-ovate to linearr. Corolla cm. long; stems1-10 in. high, usually tufted;leaves lance-linear to long-linear(r) Flowers purple, sterile sta-men densely bearded;at 10-13000 ft. (s) Flowers deep blue, sterilestamen short-bearded;at 3-6000 ft. P. angusHfSliuss. Corolla 2-4 cm. long;
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Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectwildflo, bookyear1920
