164 



BOSACEAE. 



1. Duchesnea indica (Andr.) Focke. 

 Yellow or Indian Strawberry. (Fig. 186.) 

 Silky-pubescent, tufted and forming leafy 

 runners, dark green. Leaflets rhombic-obo- 

 vate to ovate, crenate or dentate, obtuse 

 at the apex; peduncles equalling or longer 

 than the leaves; flowers V-l' broad; bract- 

 lets of the calyx dentate or incised, exceeding 

 the ovate or lanceolate acuminate spreading 

 calyx-lobes; fruit red, globose or ovoid, in- 

 sipid, about Y in diameter. [Fragaria 

 indica Andr.] 



In grassy woods, Devonshire, 1905, In- 

 troduced. Native of India. Naturalized in the 

 eastern United States and in Jamaica. Flowers 

 from spring to autumn. 



2. POTENTILLA L. 

 Herbs or shrubs, with alternate stipulate digitately or pinnately compound 

 leaves, and cymose or solitary, yellow white or purple perfect flowers. Calyx 

 persistent, its tube concave or hemispheric, 5-bracteolate (rarely 4-bracteolate), 

 5-lobed (rarely 4-lobed). Petals 5 or rarely 4, mostly obovate or orbicular, 

 usually emarginate. Stamens 20-30, seldom 5 or 10; filaments slender; anthers 

 small. Carpels usually in 3 series, numerous, inserted on a dry, usually pubes- 

 cent receptacle; style terminal, deciduous. Seed pendulous and anatropous. 

 [Diminutive of potens, powerful, from the medicinal properties of some species.] 

 Over 300 species, nearly all natives of the north temperate zone, the following 

 typical. 



1. Potentilla reptans L. Creeping Cinque- 

 foil. (Fig. 187.) Perennial by a short root- 

 stock; stems appressed-pubescent, decumbent 

 or trailing, 3° long or less, or at first upright. 

 Leaves digitately 5-foliolate, the basal and 

 lower ones long-petioled; leaflets |'-2i' long, 

 oblanceolate, rounded at the apex, coarsely 

 dentate, glabrous or nearly so above, silky 

 beneath; stipules lanceolate, 5"-8" long; pe- 

 duncles axillary, solitary, 1-flowered, about IV 

 long; bractlets 2 J" long, about equalling the 

 calyx-lobes; petals yellow, 2i"-3" long. 



Borders of marshes. Naturalized from Europe. 

 Flowers from spring to autumn. Introduced into 

 the eastern United States. 



Fragaria virginiana Duchesne, Virginia 

 Strawberry, is recorded by Lefroy as having 

 been found wild in Paget, probably escaped 

 from gardens. Strawberry cultivation has, in 

 recent years, reached a successful development, 

 several races being grown, and large yields se- 

 cured in seasons of abundant rainfall. 



