Vascular Plants of West Greenland. 



ЗГ)7 



18. Phippsia algidii (Sol.) R. Br. Occurs in wet places on 

 the heath, on wet clay near the shore, and at the edge of snow- 

 fields; it is common everywhere. 



19. Poa pratensis L. In willow copses, on heaths and rocks 

 and in bogs which are not too wet; common everywhere. 



20. Poa cenisia All. Occurs in drier and more barren localities 

 than does the preceding 

 species, especially on rocks 

 and rocky flats. 



21. Poa glauca M. 

 Vahl. The most common 

 grass here as elsewhere in 

 Greenland: it occurs in 

 almost all plant-communi- 

 ties, and varies indefinite- 

 ly according to the condi- 

 tion of the habitat. The 

 following are some of the 

 most divergent forms: 



f. tenuior Simmons, 

 loc. cit., p. 162. hi the 

 shade beneath willows at 

 Orpik. 



f. d e p a n p e r a t a nob. 

 (Fig. 11). 



Dense caespitosa, ciilmi 

 ad 15 cm aiti, (jracilis, erecti, 

 scabriusculi ; /"o/zo viridia 

 augiistissima, laminae 2 cm 

 longitndine hand superan- 

 tes ; ligula elongata aciitius- 



cnla intégra: spiculae minntae termincdes solitariae 1 — 3 florae purpur- 

 ascentes. 



22. Poa alpin a L. Lakse Fjord (Orpik, 72° 30' ; Qingua, 72= 23') 

 and Amitsuarsuk; large vigorous specimens with deep-red tops. 

 Ingnerit Fjord : fairly common. Svartenhuk (Tartusaq and Sarfarssuit) : 

 not common. Schade's Islands: sparse. 



This species is here undoubtedly near to its northern limit in 

 West Greenland. Even from the coastal regions of north Disco it is 

 wanting, and here it is only met with in protected localities. In 

 most places it flowers late, and in some of the localities mentioned 

 above it does not manage to set fruit every year, as for instance in 

 Ingnerit Fjord and Schade's Islands; nor is it viviparous. As Sim- 



Fig. 11. Poa glauca f. depauperata n. f. 



