BOT. WORK OF SEC. NORW. POLAR EXPEDITION. 227 



comprising several, often 10 or more specimens. The number 

 of species of vascular plants in my collection may be estimated 

 at about 80, the exact number can only be given when the 

 material have been more carefully examined. Hart^) indicates 

 61 species from the neighbourhood of Hayes Sound, which 

 number may however be somewhat reduced. At least his 

 Papaver alpinum is only a form of P. radicatum and Draba 

 rupestris a variety of D. hirta. The following species in his 

 list have not been found again : Cerastium latifolium, Poten- 

 tilla anserina, Pedicularis lapponica, P. flammea, Car ex 

 alpina, Poa alpina, Woodsia hyperhorea. The other 52 

 species I have found; in some cases however my identifications 

 are different from those of Hart, as will be shown later and I have 

 great doubts about the existence of some of the abovementioned 

 7 species north of danish Greenland. The following additions 

 to the flora of the Hayes Sound — district can at present be 

 given: Antennaria alpina, Campanula uniflora, Pyrola 

 grandiflora, Hesperis Pallasii, Arabis arenicola, Cardamine 

 bellidifolia, C. pratensis, Draba nivalis, D. fladnizensis, Poten- 

 tilla pulçhella, Saxifraga stellaris var. comosa, Ranunculus 

 hyperboreus, R. pygmaeus, Stellaria humifusa, Sagina 

 nivalis, Catabrosa algida, Colpodium latifolium, Carex in- 

 curva, C. putla, C. ursina, Lastraea fragrans. The number of 

 cryptogamic plants I am not as yet able to give even an estimate of. 

 In his treatise on the vegetation of Greenland Warming^) 

 says that in the northermost parts of that country most of the 

 vegetation-clad ground is of that kind which he has distin- 

 guished as Fjeld mark. This is also the case in Ellesmereland, 

 where swamps with Carices, Eriophorum, Alopecurus alpinus, 

 Juncus biglumis and a few dicotyledons however also fill up much 



V Hart, On the Botany of the British Polar Expedition of 1875—6. Journ. 

 of Bot. 1880. 



^) Warming, Om Grønlands Vegetation, Meddel, om Grønland Xll^ Køben- 

 havn 1880. 



