. Rocky Mountain flowers : an illustrated guide for plant-lovers and plant-users. in a cluster; pods oblong; leaflet pairs 7-9 A. Pdrryi y. Flowers several to many in a head orspike(x) Flower stalk and cluster somewhat sticky-hairy ; leaflet pairs 10-25 A. viscidus(y) Flower stalk and cluster not sticky-hairym. Flowers 15-30 mm. long, red-pur-ple to blue or white; leaflets silkyor silvery to nearly smooth,lance-oblong to linear A. Lamberti n. Flowers 10-15 mm. long (m) Flowers purple or violet A. monticola (n) Flowers yellow or yellowishr. Leaflets 8-13 • flowers 3-8 in a cluster; calyx black-
. Rocky Mountain flowers : an illustrated guide for plant-lovers and plant-users. in a cluster; pods oblong; leaflet pairs 7-9 A. Pdrryi y. Flowers several to many in a head orspike(x) Flower stalk and cluster somewhat sticky-hairy ; leaflet pairs 10-25 A. viscidus(y) Flower stalk and cluster not sticky-hairym. Flowers 15-30 mm. long, red-pur-ple to blue or white; leaflets silkyor silvery to nearly smooth,lance-oblong to linear A. Lamberti n. Flowers 10-15 mm. long (m) Flowers purple or violet A. monticola (n) Flowers yellow or yellowishr. Leaflets 8-13 • flowers 3-8 in a cluster; calyx black-hairy A. alpicolas. Leaflets 25-31; flowers many ina dense cluster; calyx white-silky A. villosus b. Leaflets irregularly crowded, in whorls; plants silvery-silky, 6-18 in. high; flowers blue, 10- 15 mm. long, in a long densely silky spike A. splendens PLATE 28 PEA FAMILY 1. Aragalus Lamberti: Loco Weed 2. Medicago sativa: Alfalfa 3. Trifolium dasyphyllum: Clover 4. Psoralea tenuiflora 5. Trifolium nanum: Dwarf Clover 6. Astragalus hypoglottis 7. Robinia neo-mexicana: Locust. EDITH S CLEMENTS. PINXT ROCKY MOUNTAIN FLOWERS COCKAYNE. BOSTON PEA FAMILY 173 Astragalus Linne 1753 Astragalus(Greek name of a related plant)PI. 28, fig. 6; PL 29, fig. 13-28. Sepals 5, united into a 5-toothed tube, petals 5, white, pink, red, blueor yellow, standard erect, wings oblong, keel blunt, stamens 10, 9 united,ovary 1-2-celled, many-seeded, pod 1-2-celled, fleshy to papery or woody,splitting or remaining closed; flowers in racemes or spikes, rarely solitary ;leaves alternate, odd-pinnate, digitate or rarely simple; perennial or annua) I. Leaves simple or of 3 leaflets 1. Leaves simple or apparently so, rarely of 3-5 leaflets or at first pinnate a. Leaves simple, or rarely of 3-5 leaflets (1) Flowers purple; racemes several-flow- ered ; stems tufted or mat-like; leaves silky A. caespitdsus (2) Flowers yellowish; stems 1-2 ft. high; leaves smooth A. asclepiadoides b. Leaves apparently simple, du
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectwildflo, bookyear1920
