. Rocky Mountain flowers : an illustrated guide for plant-lovers and plant-users. less silvery-hairy (1) Heads 12-15 mm. high; involucres cm. wide; rays 12-15 mm. long; achenes hairy E. argentdtus (2) Heads 6-10 mm. high; involucres cm. wide; rays 6-15 cm. long; achenes smooth or hairy E. cdnus Eriophyllum Lagasca 1818(Gr. erion, wool, phyllon, leaf, from the woolly plant) Heads with yellow ray-flowers, the disk-flowers yellow, perfect, achenesnarrow club-shaped to wedge-oblong, usually 4-angled, pappus of scales;receptacle flat to convex, involucre hemispheric, of separate or imit
. Rocky Mountain flowers : an illustrated guide for plant-lovers and plant-users. less silvery-hairy (1) Heads 12-15 mm. high; involucres cm. wide; rays 12-15 mm. long; achenes hairy E. argentdtus (2) Heads 6-10 mm. high; involucres cm. wide; rays 6-15 cm. long; achenes smooth or hairy E. cdnus Eriophyllum Lagasca 1818(Gr. erion, wool, phyllon, leaf, from the woolly plant) Heads with yellow ray-flowers, the disk-flowers yellow, perfect, achenesnarrow club-shaped to wedge-oblong, usually 4-angled, pappus of scales;receptacle flat to convex, involucre hemispheric, of separate or imited bractsin 1-2 series; heads solitary or scattered; leaves alternate or opposite; en-tire or lobed, annual or perennial. 1. Stems 1-4 in. high; heads sessile or nearly so E. Walldcei 2. Stems 4-12 in. high; heads stalked 12- PLATE 39 ASTER FAMILY 6. Ratibida columnaris: Cone Flower 2. Rudbeckia laciniata: Golden Glow 3. Thelesperma gracile 4. Rudbeckia hirta; Blackeyed Susan 5. Gymnolomia multiflora 7. Helianthus petiolaris: Sunflower 8. Thelesperma trifidum. EDITH S CLEMENTS. PINXT ROCKY MOUNTAIN FLOWERS COCKAYNE. BOSTON EUPATORIUM—FRANSERIA 273 Eupat6rium Linne 1753 Boneset, Joe Pyeweed ! Named for Mithridates Eupator) Heads with white, blue or purple perfect tube-flowers, achenes oblong, 5-angled, pappus of hair-like bristles; receptacle flat to conic, without chaff, involucre hemispheric to oblong, bracts imbricated in 2-several rows; heads in cymose panicles; leaves opposite or whorled, usually simple; perennial. 1. Leaves opposite, 1-2 in. long a. Bracts of the involucre nerved or ribbed E. Fendleri b. Bracts of the involucre not nerved E. texense 2. Leaves usually in whorls of 3, 2-5 in. long E. maculatum Filago Linne 1753(Latin fdum, thread, ago, like, from the cottony wool)Heads without rays, outer pistillate flowers in several rows, centralflowers few, perfect, mostly sterile, achenes flattened or rounded, pappusnone; receptacle convex to conic wit
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Photo credit: © The Reading Room / Alamy / Afripics
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Keywords: ., asters, blackeyedsusan, coneflower, goldenglow, rudbecki, sunflower
