all Roa catemameniaanill 
17. Argentina Lam. Silver “Weed, 
numerous leaflets and sieetking detoutan, Flowers axilla A 
Calyx 5-parted, the tube very shallow, the sepals 5, alternate with sepal© 
like appendages. Petals yellow, orbicular. Stamens about 20 in 3 series, ~~ 
the filaments filiform. Receptacle hemispheric. Styles filiform, laterally — 
attached to the ovary, subpersistent. Fruit a cluster of achenes. 
le Ae Anserina (L.) Rydb- ————>>A perennial creeping herb with slender 
brown glabrate stolons; leaves in tufts at the nodes, 10-20 cm. long, 
oblanceolate in outline, pinnately 11-13-foliolate, the largest leaflets at r 
the apex, the smallest toward the base, with smaller, often entire intermedi-. 
ate ones, all sessile, the uppermost subdecurrent; stipules sheathing the 
stem, scarious, or those of the first leaves on the stolons bearing linear 
green lobes, leaflets 2-3 cm. long, now elliptical, now oblanceolate-cunsi- 
form, the margins coarsely toothed with 11-13 teeth, the upper surface dull 
green, thinly silky, the lower silvery silky; flowers on slender, hirsute 
s 5-G cme long} calyx lobes lanceolate, 5 mm. long in flower, the 
appendages oblong-linear,somewhat longer, both silky hirsute; petals bright 
yellow, broadly oval, 5-S mme longs; stamens 2.5 mm. long; achenes smooth. — 
Occasional in meadows below 3000 feet. Pritchard; Sandpoint. 
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