44 SPRING FLORA 



1. R. parviflorus Nutt. (R, Nutkanus Moc.; Bossekia parvi- 

 flora (Nutt.) Greene.) Salmon or Thimble Berry. Stems peren- 

 nial; erect, 3-8 ft. high. .Leaves palmately 5-lobed, the lobes 

 nearly equal; 4-12 inches broad; with glandular hairs beneath 

 on veins and on petioles. Inflorescence corymbose. Flowers 

 few, showy (1 inch or more across); white (or occasionally 

 pink-tinged). Calyx and carpels densely tomentose. Lobes 

 of calyx long-acuminate, ascending. Fruit red, oblate- 

 spheroidal; dry and not sweet enough to be palatable. In rich 

 soil along streams. May-August. 



2. R. Idaeus gracillipcs Jones. (R. strigosus of Coulter's 

 Man. not R. strigosus Michx.) Wild Red ilaspberry. Sterns 

 biennial, shrubby, erect and branching, 2-6 ft. high; not glau- 

 cous; densely covered with weak glandular bristles, mixed 

 with hooked prickles on the older ones. Leaves pinnately 3-5- 

 foliate; the leaflets cut-serrate, whitish-tomentose beneath, 

 the lateral ones sessile. Flowers white; axillary or terminal, 

 with petals as long as the sepals. Fruit light-red; very 

 palatable; elongated-hemispheric in shape. In clefts of rocks. 

 May-July. 



3. R. leucodermis Dougl. Blackcap; Wild Black Raspberry. 

 Stems biennial; glaucous, erect, long and straggling; armed 

 with strong, recurved prickles. Leaves 3-foliate or pedately 

 5-foliate; leaflets broadly ovate or sometimes ovate-lanceolate; 

 incised and serrate; sparingly pubescent above, white-tomen- 

 tose and glaucous beneath; the lateral ones nearly sessile. 

 Inflorescence terminal and axillary; few-flowered; corymbose. 

 Sepals long-acuminate, slightly longer than the white petals. 

 Fruit with a white bloom; black or sometimes red; very 

 palatable. In mountain valleys, usually at lower elevations 

 than No. 2. 



7. FRAGRARIA. Strawberry. 



V 



Herbs, perennial from a scaly erect rootstalk. Leaves 

 ternate; all basal. Flowers white 9r rarely pink. Stamens 

 about 20, in 3 series. Receptacle conic or hemispheric, becom- 

 ing red, juicy and much enlarged in fruit. 



Pubescence spreading or reflexed; achenes on surface of 



fruit (not in pits) 1. F. bracteata 



Pubescence appressed; achenes set in pits 2. F. glauca 



1. F. bracteata Heller. (F. vesca americana Porter; F. 

 americana (Porter) Britton.) Rootstalk very short. Leaves 

 slightly silky above, becoming glabrate in age; leaflets thin, 

 pale-green, rhombic-obovate, subsessile. Scape usually with 

 a leafy bract. Flowers white, rather large. Calyx in fruit 

 ascending or spreading. Fruit ovoid or subconic. Rich soil in 

 light shade along streams. June-July. 



2. F. glauca (S. Wats.) Rydb. (F. ovalis glauca (Wats.) A. 

 Nels. ; F. virginiana glauca Wats.) Rootstalk short. Leaves 

 glaucous and almost glabrous above, silky or becoming glabrate 

 below; leaflets thin, broadly obovate, with evident petiolules. 

 Scape rarely with a leafy bract. Flowers white, smaller than 

 those of No. 1. Fruit subglobose, rather sour. Mountain 

 meadows. 



