178 A. E. Porsild. 



145. .S", groenlandiva L. 

 14(i. iS'. ccrniia L. 



147. S. riviilaris L. These five Saxifragas cortainly occur at most of 

 tho j)la('es visitcd, bul (in sandstono, owing to tho gpnoral dryness 

 and lack of botjs, or, perliaj)s becaiiso of the comj)Ositi()n <»f soil, 

 they aro ahvays sporadic. 



148. Sibbaldia procumhens L. — Upernavik Ej land, Naujat and Atani- 

 kcrdluk. By Porsild recorded a few times from thr hond nf the 

 Nordost bnc:t but never from the interior. 



149. Potcntilla Egedii Wormskj. — Qa(>rsnarssuk a lit tic north of its 

 previoiis ranije and at Naujat. 



150. P. nirea L. coll. — Common on suitablc j)laces. 



151. P. VahUana Lehm. — Hare 0: Umivik, Kuk, Ikorfal and Atani- 

 kerdluk. As a rule not very common. 



152. P. alpestris Hall f. coll. — Påtiit and Atanikerdluk. On fertile 

 slopes, rich in humus. On the mainland not north of 69°45'; it 

 is, however, recorded from Hare (70^20' (P. )). 



153. P. emarginala Pursh. — Store Dal (P.), Atanikerdluk (Nath., Bg.j, 

 Sarqaq (V.). 



154. P. pulchella R. Br. — Qaersuarssuk, Ikorfat, Alianaitsiinguaq, 

 Påttit and Atanikerdluk. On the raised marine clays of the north 

 coast it grew very vigorously. 



155. P. Raminculus Lange. — Valley at Qeqertaq (Bg.). 



156. Dnjas integrifolia W. Vahl. — Very common. 



157. D. integrifolia var. canescens Simm. — Upernavik Ejland, Kuk, 

 Qaersuarssuk, Alianaitsiinguaq and Atå. Often common at these 

 localities and in association with the typical species, but, as already 

 stated by Porsild p. 105, there are no intrrmcdiate forms. Re- 

 corded from Laxefjord 72°30', Ubekendt Ejlaiui 71°14', Marraq 

 70''30' and Disko Nordfjord by Porsild. Besides oiily known from 

 Ellesmere \A. 



158. Callitrichc aiilninnalis L. — Very aljundanl in several small lakes 

 at Naujat, and fruiting down to a depth of one meter. On the 

 mainland not recorded north of Jacobshavn 69°13' (P.) whilc on 

 Disko it ranges beyond 70° N. Lat. 



158a. C. verna (L.) Kiitz. 



hl the Herb. Haun. is preserved as specimen collected by Dr. 

 Søren Hansen at Qeqertat 71° Lat. N. .luly i'.OIh 1S8S. This 

 interesting specimen evidently has escaped Dr. Kolderup Rosen- 

 vinge who in "Conspectus Fl. Groenl. ILTilheg" gives record of 

 the most interesting of the piants collected hy l)i'. H.vnsen. Other- 

 wise known from the south coast of Disco and from .T;icobshavn 

 69°13' on the mainland. 



