152 ROSE FAMILY. 



P. Canadensis, Linn. Common Wild C. or Five-finger. Open, dry 

 ground ; dwarf, silky-hairy, with wedge-obovate leaflets, and axillary, 

 l-flc)\vcred pi'duncies ; flowering from early spring to midsummer, and 

 spn adiiiii l)y runners. A prostrate plant, variable, resembling a Strawberry. 



P. argeutea, Linn. Silvkuy C. Dry fields, banks, and roadsides N. ; 

 a low, spreading or prostrate, much branched, white-woolly weed, with 

 wedge-oblong, cut-pinnatifid leaflets green above, white with silvery wool 

 beneath, and the margins revolute ; the small flowers somewhat panicled ; 

 all summer. 



* * Leaves pinnate ; receptacle and Sdnietimes (lie akeiies tchite-liairy. 



P. Anserina, -Linn. Silverweed. Wet banks and sandy shores, 

 N. and W. ; leaves all from the root or in the tufts at the joints of the 

 long, slender runners, green above, silvery with silky down beneath, of 

 9-19 oblong, cut-toothed principal leaflets and some pairs of minute ones 

 intermixed ; stipules conspicuous and many-cleft ; flowers solitary on 

 long, scape-like peduncles, all summer. 



P. frutic6sa, Linn. Shrubby C. Wet grounds X. ; 2°-4° high, 

 woody, silky, very much branched, with 5 or 7 crowded, oblong-lanceolate, 

 entire leaflets, scale-like stipules, and loose clusters of rather showy 

 flowers, all summer. Cultivated. 



§ 4. Petals ichite ; akenes and receptacle hairy ; leaflets only 3, digitate. 11 



P. tridentata. Ait. Three-toothed C. Coast of N. England N. and 

 W. and on mountains ; 4'-6' high, tufted, spreading, with 3 thickish, 

 nearly smooth leaflets, coarsely 3-toothed at the end, and several flowers 

 in a cyme, in early summer. Cultivated. 



§ 5. Petals purple, rose-color, or crimson; akenes smooth. 21 

 * 1177(7 in wet and cold hogs N. ; petals narrow, shorter than the culy.c. 

 P. palustiis. Scop. Marsh Five-fi\oek. Stems ascending from an 

 almost woolly iii( ping base ; leaves pinnate, of 5-7 lance-oblong serrate 

 and crowded leaflets, whitish beneath ; flowers in a small cyme, the calyx 

 nearly 1' broad, the inside as well as the petals, dull dark purple ; recep- 

 tacle becoming large and spongy ; flowers all sunnner. 



* » From Himalaya, occasionally mlt. for ornitment; petals large, 

 ohcordate. , 



P. Nepalensis, Hook. Nepal C. Leaflets 3 in the upper, o in the 

 lowest leaves, digitate, hairy but green both sides, wedge-oblong, coarsely 

 toothed ; flowers rose-red, all summer. P. Hopwuodiana, with flesh- 

 colored flowers, is a garden hybrid of this and P. recta. 



P. afrosanguinea, Lodd. Dark Nepal C. Is soft silk-liaiiy. with 3 

 leaflets to all the leaves, and much darker-colored flowers than in the pre- 

 ceding, liinwn-purple or crims(m. 



11. FRAGARIA, STKAWP.KIMIV. (Name from /ra.v^f. the old Latin 

 name of the strawberry, referring to the fragrance.) 21 



§ 1. Tri!e Strawberries. Petals white; receptacle of the fruit high- 

 flavored; scapes sereralfloirereil: ruinicis naked. Flowers in .y^ring 

 and early summer, thosi- af all hal the firsi specits inclined more or less 

 to be diifcious. 



F. vesca, Linn. Common S. of Ku. Yields the Alpixe, Perpetual, 

 etc., its American form (var. Americana. Porter) i)lentifully native N. ; 

 is mostly .slender, with thin, dull leaflets, strongly marked by the veins, 

 calyx remaining open or reflexed after flowering, small ovoid-conical or 

 elongated fruit, high-scented, and the akenes superficial. The flowers 

 usually stand above the leaves. 



