$o6 FLORA. 



19. Potentilla littoralis Rydb. Coast Cinquefoil. (I. F. f. 1930.) Pei 

 ennial, tufted; stems ascending or decumbent, 24 dm. high, appressed-silky c 

 glabrate. Leaflets oblanceolate or obovate, incised-pinnatifid into oblong obtus 

 segments, grayish -pubescent beneath, green and glabrate above, 1-6 cm. long 



tl avers yellow, cymose, 8-10 mm. broad ; petal- obovate, equalling or slightl 

 exceeding the ovate acute veined sepals and the lanceolate bractlets; stamei 

 20 j 5 ; style thickened below. Coast of Newf. and Lab. to (Quebec and N. ri 

 June-July. 



20. Potentilla multifida L. Cut-leaved Cinquefoil. (I. F. f. 193I 

 Perennial ; stems several or many from the caudex, low, ascending or spreading 

 appressed-silky. Leaves pinnately 5-9-foliolate, grayish-tomentose bcneatl: 



Lte ibove ; leaflets finely divided to near the midrib into linear acute se£ 

 ments, with more or less revolute margins ; petals a little exceeding the ovate 

 lanceolate acute sepals ; style short, not thickened at the base. Hudson Bay an 

 the X. \V. Terr. Also in Europe and Asia. Summer. 



21 Potentilla Canadensis L. Fiye-fin(;er. (I. F. f. 1935.) Stem slendl 

 at tir^t erect, later decumbent or prostrate, 4-6 dm. long, silky- villous; leave- pet 

 oled, digitately 5-foliolate (rarely 3-4-foliolate); leaflets oblanceolate or obloa 

 2-4 cm. long, incisely serrate, at least above; flowers 10-12 mm. broad; petal- 1 

 broadly oval, slightly longer than the acute calyx lobes and linear -lanceobj 

 bractlets. In dry soil, Me. and Ouebec to Ga., Minn, and the Ind. Terr. Apri 

 Aug. Called also Wild Strawberry. 



Potentilla Canadensis simplex (Michx.) T. & G. Stem elongated, 5-10 dm. Ion; 

 the pubescence more appressed; leaves larger, more glabrate and green; leaflets ofte 

 5-6 cm. long. 



Potentilla r^ptans L., a European species, collected on ballast at Camden, N. J 

 differs in its more closely creeping habit, smaller leaves, and very broad elliptic bractlet 



22. Potentilla pumila Poir. Dwarf Five-finger. (I. F. f. 1935a.) Ix> 

 perennial herb, seldom more than a few inches high; flowering stems at first ver 

 short and upright, later in the season producing some slender prostrate runner: 

 whole plant densely silky-strigose; basal leaves digitately 5-foliolate, on siende 

 petioles; stem-leaves few and often only 3-foliolate; leaflets obovate, sharply serral 

 usually about 2 cm. long; otherwise as the preceding. In poor soil, N. Eng. 

 Penn. 



23. Potentilla procumbens Sibth. Wood Cinquefoil. (I. F. f. 1936 

 Diffusely branched, trailing or ascending, very slender, somewhat pubescent. I 

 dm. long. Leaflets oblanceolate or obovate, sharply dentate above; pedundl 

 usually much exceeding the leaves; flowers 6-8 mm. broad; petals obovate, emal 

 ginate, or rounded, exceeding the acute calyx-lobes and bractlets. Lab. (accon 

 ing to Hooker). Common in Europe. Summer. [7 J , nemoralis Nestl.] 



17. WALDSTEINIA Willd. 



Perennial herbs with the aspect of Strawberries, with alternate main! 

 basal long-petioled 3-5-foliolate or lobed leaves, membranous stipules, ;u: 

 yellow corymbose flowers on bracted scapes. Calyx per-istent. the tube to] 

 shaped, minutely 5-bracteolate or bractless at the summit. 5 -lobed. Petal 

 Stamens ~o . inserted on the throat of the calyx; filaments rigid, pei 

 Carpels 2-6, inserted on a short villous receptacle ; style nearly termini 

 deciduous, filiform. Achenes 2-6, obliquely obovoid, pubescent; Seed erec 

 [Named in honor of Franz Adam von Wuldstein-W artenburg. [759-1823, 

 German botanist.] Five known species, natives of the north temperate zon 

 Besides the following, another occurs in Ga. 



Petals obovate, longer than the sepals. 1. W. fragarioiM 



Petals linear-oblong or narrowly elliptic, shorter than the sepals. 



2. J!', fjrvi flora, 



I. Waldsteinia fragarioides (Michx.) Tratt. Barren or Dry Strawberb 

 (I. F. f. 193')-) Pubescent, or nearly glabrous; rootstock creeping, rather stou 

 Leaves tufted, long-petioled. 3-foliolate (rarely 5-foliolate); leaflets obovate. obtu: 

 at the apex, broadly cuneate at the base, dentate or crenate and sometua 



