ON THE BOTANY OF THE BRITISH POLAR EXPEDITION. 305 



P. Jlexuosa, Wahl. 



Dist. 1 2 3 4 5 6 7 8 9 10 11 12 13. Lat. 68° 42' to 82° 50'. 

 E., W., and G. 



The forms P. cenisia, All., P. arctica, Br., P. lax a, Haenke, and 

 P. abbreviata, Br., occurred, but it is impossible often to separate 

 them. P. abbreviate appeared to be the commonest form to the 

 north. Polaris Bay (coll. Copp.) ; Floeberg Beach and Cape 

 Joseph Henry (H. W. V.) 



Sea-level to 1500 feet in Discovery Bay. 



P. alpina, L. 



Dist. 1 6-8-10-12. Lat. 69° 15' to 81° 42'. E.,W.,&G. 



Disco ; Cape Sabine ; Walrus Island ; Bessels Bay (coll. Moss) 

 and Discovery Bay. Bare to the north and nowhere plentiful. 

 Lange gives 70° as northern limit in Greenland. 



Festtica ovina, L. 



Dist. 1 2. Lat. G9° 15' to 72° 20'. 

 Disco and Proven. 



F. or lit a, L., var. brevi folia, R. Br. 



Dist. 1 2 3 - 5 6 - 8 -- 11 12 13. Lat. 69° 15' to 82° 27'. 



E., W., and G. 



Not so common as Poa fiexuosa iu Discovery Bay ; flowering 



late and rarely. Floeberg Beach (H. W. F.) 



Elyrmti arenarius, L. 



Dist. 1. Lat. 69° 15'. G. 



Shore on both sides of Godhavn, Disco. 



. ACOTYLEDONES. 



FUices. 



Poli/pod i inn Dryopterii, L. 



Dist. 1. Lat. 69° 16'. GK :. . + 



Growing profusely with holly fern close to the shore at 



Englishman's Bay, Disco. The oak fern has not been previously 



discovered in Arctic Greenland ; Lange gives its northern limit at 



64° 10'. 



Woodsia ilvensis, B. Br. 



Dist. 1. Lat. 69° 15' to 69° 42'. G. 



Disco, at Lyngemarken ; Englishman's Bay, &c, Rittenbank 



(coll. Copp.) 



Dist."- 7. Lat. 78° 50'. W. 



, "Edward's Grief," Hayes Sound, August 4, 1875. Very 

 abundant. Not known in North America except Canada , and 

 arctic elsewhere only in Europe and Greenland. 



W. glabella, Br. _ . ' 



, W& "the" last, 7 common! 8 Ilso at Twin Glacu r Valley, close by 

 (coll. Moss). This fern, though arctic m Last Ab«^ 

 appear in Greenland; the occurrence of these two together is 



therefore very remarkable. 9 w 



