Nr. 3] SOME VASCULAR PLANTS FROM SAGHALIN 13 



Papaveraceae DC. 



Corydalis ambiqna Cham. et Schlecht. 



Flowering 13 May. In swampy meadows near fresh water. 



Cruciferae Juss. 

 Arabis Stelleri DC. var. genuina Fr. Schmidt. 

 In full flower and some with incipient fruit formation 26 May. 

 On sandy sea shore. 



Violaceae DC. 



Viola Langsdorffi Fisch. 

 Flowering 25 June. In meado^YS. 



Viola sachalinensis H. Boiss. 



Flowering 20 May. On dry sandy lieath. 



Geraniaceae DC. 



Geranium erianthiim DC. 



In flower and bud 21 June. Sandy hill. 



Aceraceae DC. 



Acer Mono Maxim. 



With flowers and young lea ves 13 June. Sandy heath near 

 sea shore. 



Rosaceae Juss. 



Potentilla fragarioides L. var. Sprengeliana Maxim. 



Tab. nostr. II. 



The specimens are distinguished by their strong growth, 

 the leaves as a rule tri-or quadripinnate, the leaflets generally 

 circular-oval (breadth often exceeding length) and closely serrate 

 at the margin, with broad, short teeth, often almost rounded at 

 the top. Flowers fairly large, petals up to 1 cm. long, more or 

 less broadly heart-shaped, and one and a half times to twice 

 as long as the calyx. The entire plant is closely covered with 

 long, white, straight extended hairs, those at the points of the 

 teeth in the leaves forming small tufts. 



The stolons altogether lacking. 



In full bloom 22 June, on moorland. 



Rubus arcticus L. var. grandiftorus Ledeb. 



Tab. nostr. III et IV, Fig. B. 



The description of this variety by Ledebour, Flora Rossica 

 II Pag. 70, »laciniis calycinis angustioribus, petalis obovato-oblongo(( , 

 is rather insufficient, and it is no doubt often confounded with 

 the typical form, as also noticed by John Macoun, Catalogue of 



