. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 8. Petalostemum villosum Nutt. Hairy or Silky Prairie-clover. Fig. 2519. Petalostemon riUosus Nutt. Gen. 2: 85. 1818. Dalea villosa Spreng. Syst. Veg. 3: 326. 1826. Kuhnistera villosa Kuntze, Rev. Gen. PI. 192. 1891. Ascending or decumbent from a deep root, branching at the base, densely villous or silky- pubescent all over, i''-2° high. Leaves short- petioled
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 8. Petalostemum villosum Nutt. Hairy or Silky Prairie-clover. Fig. 2519. Petalostemon riUosus Nutt. Gen. 2: 85. 1818. Dalea villosa Spreng. Syst. Veg. 3: 326. 1826. Kuhnistera villosa Kuntze, Rev. Gen. PI. 192. 1891. Ascending or decumbent from a deep root, branching at the base, densely villous or silky- pubescent all over, i''-2° high. Leaves short- petioled or nearly sessile; leaflets 9-17, approxi- mate, linear-oblong or slightly oblanceolate, acute or obtuse and often aristate at the apex, nar- rowed at the base, z's" long, i"-2" wide; spikes terminal, clustered or solitary, short-peduncled, cylindric, i'-4i' long, s"-6" thick, very dense; bracts lanceolate, acuminate, exceeding the dense- ly villous calyx; corolla rose-purple or rarely white, standard oblong; wings and keel-petals oblong-obovate. Prairies and sandy plains, Wisconsin to Sas- katchewan, Missouri, Texas and Colorado. Aug. 20. INDIGOFERA L. Sp. PL 751. 1753. Herbs, or rarely shrubs, often canescent with hairs affixed by the middle, with odd-pinnate leaves, small stipules, and pink or purple spicate or racemose flowers. Calyx-teeth oblique, nearly equal, or the lower longer. Standard ovate or orbicular, sessile or clawed; wings oblong; keel erect, somewhat gibbous, or spurred. Stamens mainly monadelphous; anthers all alike. Ovary sessile or nearly so, i-M-ovuled; style slender. Pod linear, 4-angled (in our species), septate between the seeds. [Name from the yield of indigo by some species.] About 275 species, natives of warm and temperate regions. In addition to the following, some 7 others occur in the southern and southwestern United States. Type species : Indigofera tinctoria Please note that these images are extracted from scanned p
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
