470 PATAGONIAN EXPEDITIONS: BOTANY. 



Peduncle scape-like, i -flowered, the flower yellow, and the fruit scarlet 

 and pleasant. "One of the few esculents of these parts." 

 Magellan ; S. Fuegia to Cape Horn. Falklands. 



5. FRAGARIA Linn. Strawberry. 



Perennial, stemless herbs, propagating by runners, with petiolate, tri- 

 foliolate leaves having sheathing stipules, and white flowers racemed on 

 naked scapes. Calyx 5-lobed, with 5 outer bracteoles. Stamens many, 

 perigy.nous. Achenes many, on a large pulpy receptacle. 



Species 15, N. Temperate Zone of both hemispheres, and the Andes. 



F. CHILENSIS Ehrh. 



Rootstock large. Densely silky, except on the upper surface of the 

 short-petioled leaves. Leaflets orbicular-ovate, or obovate, coarsely cre- 

 nate, their teeth cuspidate. 



(Chili): Chonos Archip., and Northwards; Patagon., Chubut. 



F. VESCA Linn. 



Not very villous. Leaflets ovate, obtuse, cuneate. Hairs of peduncles 

 widely spreading ; of pedicels appressed. Scape longer than leaves. 

 (Eur., nat. in N. Amer.) ; Fuegia, Ushuaia. 



6. POTENTILLA Linn. 



Herbs or shrubs, with digitate or pinnate leaves, and cymose or soli- 

 tary, mostly yellow flowers. Calyx-tube broad, 5-lobed, and 5-bracteo- 

 late. (Flowers occasionally 4-merous.) Stamens numerous. Achenes 

 numerous on a dry receptacle. 



Species 150, of N. Temperate Zone, with few in S. Amer. The fol- 

 lowing is introduced. 



P. ANSERINA Linn. Silver-weed. 



Herb, spreading by runners. Stipules membranous. Leaves petioled, 

 pinnate ; leaflets 7-25, oblong-lanceolate or obovate, obtuse, the lower 

 generally smaller, all serrate; smooth above, silky beneath. Peduncles 

 axillary, solitary, i -flowered. Petals broad, exceeding the ovate-acute 

 calyx-lobes. Achenes glabrous. 



