. 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 102nd meridian. Botany. 25S ROSACEAE. Vol. II. 8. ARGENTINA Lam. Fl. Franc. 3: 118. 1778. Perennial herbs, with slender stolons, interruptedly pinnate leaves, the flowers solitary, , peduncled. short and broad. Bractlets, sepals and petals 5, or often more. Petals yellow, not clawed. Stamens 20-25, borne around the base of the hemi- spheric receptacle; filaments filiform
. 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 102nd meridian. Botany. 25S ROSACEAE. Vol. II. 8. ARGENTINA Lam. Fl. Franc. 3: 118. 1778. Perennial herbs, with slender stolons, interruptedly pinnate leaves, the flowers solitary, , peduncled. short and broad. Bractlets, sepals and petals 5, or often more. Petals yellow, not clawed. Stamens 20-25, borne around the base of the hemi- spheric receptacle; filaments filiform. Pistils numerous on the receptacle; style lateral, filiform. Achenes with thick pericarp. Seeds ascending, amphitropous. [Latin, referring to the silvery white pubescence of the under side of the leaves.] About 8 species, natives of the north temperate and subarctic zones. Besides the following, 4 others occur in western North America. Type species: Argentina vulgaris Lam. I. Argentina Anserina (L.) Rydb. Silver-weed. Wild or Goose-tansy. Fig. 2249. Potentilla Anserina L. Sp. PI. 495. 1753. Argentina vulgaris Lam. Fl. Franc. 3: 119. 1778. A. Anserina Rydb. Mem. Dept. Bot. Col. Univ. 2 : 159. 189S. A. Babcockiana Rydb. X. Am. Fl. 22: 354. 1908. A. litoralis Rydb. loc. cit. 1908. Herbaceous, tufted, spreading by slender runners i°-3° long. Stipules membranous; leaves petioled. pinnate, 3-18' long; leaflets 7-25, oblong, oblanceolate or obovate, obtuse, the lower generally smaller, often with still smaller ones interspersed, all sharply serrate, nearly glabrous above, white or silky-pubescent be- neath; peduncles , solitary, slender, erect, i- flowered, about equalling the leaves; flower yellow. 8"-i2" broad; petals broadly oval or obovate, entire or emarginate. exceeding the ovate acute calyx-lobes and oval bractlets; stamens about 20; style filiform, lateral; receptacle villous; achenes grooved or grooveless. On shores and salt meadows, New Jersey to Green
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
