BUCHENAU, PLANTS, EAST GREENLAND. 575 



25. Cerastium alpinum, L. var. lanata. Very general. 



Found also by Scoresby, Sabine, and Graah. 



C. latifolium mentioned in Scoresby's list, is now 

 regarded as quite doubtful. 



V. Rosacea. 



26. Dryas octopetala, L. Very general, and forming thick 



clumps on the ground, as in the Alps. Var. integri- 

 folia, Vahl, occurs in W. Greenland according to 

 Lange. 



27. Potentilla pulchella, R. Br. (Flor. dan. t. 2234.) Clavering 



Isl. The typical form occurs also in Arctic America 

 and in W. Greenland ; and a distinct variety in Spitz- 

 bergen. 



28. P. nivea, L. On sunny slopes ; Sabine and Jackson 



Islands ; the shore of the Fjord. In Sabine collection, 

 var. a. and /3 (Hooker). W. Greenland, 64^-12" 48', 

 Lange. 



29. P. emarginata, Pursh (Flor. dan. t. 2291). The most 



common plant, at most of the places visited. Probably 

 the same as this are, — Scoresby's Pot. verna, L. 

 (Hooker) ; also Sabine's Pot. 7iivea, var. (Hooker) ; 

 and Graah's Pot. retusa, Retz (Hornemann.) W. 

 Greenland, 66° 50'-72° 48', J. Lange. 



VI. Onagrariacea. 



30. Epilobium latifolium, L. Wide-spread, especially on 



new bottoms, moraines, &c. One of the finest flowers 

 of Greenland. Seen also by Scoresby, Sabrine, and 

 Graah. 



Vn. Crassulacea. 



31. Sedum Rhodiola, DC. Cape Mary, Clavering Isl. W. 



Greenland, 60°-67°, Lange. 



Vni. Saxifragacea 



32. Saxifraga oppositifolia, L. A wide-spread Ai'ctic plant, 



met with nearly everywhere, as high up as 77° N. Lat. 

 Found by Scoresby and Sabine also. 



33. S. casspitosa, L., var. groenlandica (L.). Nearly every- 



where, except at the Fjord. Found also by Scoresby, 

 Sabine, and Graah. 



34. S. cernua, L. Nearly everywhere. Scoresby and 



Sabine also. 



35. S. rivularis, L. Clavering Isl. and Cape Broer-Ruys, 



Found by Sabine. 



36. S. nivalis, L. Everywhere, especially in wet muddy 



places. Found by Score&by and Sabine. 



37. S. hieracifolia, W. & K. Cape B.-Ruys : Spitzbergen and 



Arctic lands. 



38. S. Hirculus, L., var. alpina, Engler. On muddy bottoms 



and in wet mossy clumps. The group of Pendulum 

 Islands, Mackenzie Bay. Found by Sabine. 



