Flowering Piants and Ferns from North-Western Greenland. 15 



"fjeldmark" (2. and 6. VII, flowering, flowers yellow and white); Rensselaer 

 Bay (9. and 11. VII, flow., some specimens with yellow petals with dentate mar- 

 gins, some white-flowered) ; in the interior near the inland-ice s. of Rensselaer 

 Bay (24. VII, flow.). 



Murch. S.: River-bed near Piteravik (9.— 10. XI, leaves and basal parts 

 of the fruiting scapes); gravelly river-bed near Igdloluarsuit (2. VII, tall large- 

 flowered spec. in full flower). 



Polygonaceæ. 



60. Oxyria digyna (L.) Hill. 



Com 011 : 



Wash. L.: Cape Forbes (L. K., 16. VIII, a scape wåtb one ripe fruit only). 



Ingl. L.: Advance Bay (26. VI, flow. begun); Dallas Bay (29. VI, flow. 

 begun); Marsliall Bay (5. VII, flow.); Rensselaer Bay (10.— 17. VII, in full flow.); 

 in the interior s. of Rensselaer Bay (23. VII, flow.). 



Murch. S.: Piteravik (10. XI, old leaves only); Mac Cormick Bay, at 

 the talus of following clift's (27. VII, tall specimens with ripe fruits); same 

 place, on old moraines (7. IX, ripe fruits present). 



61. Polygonum viviparum L. 



Common: 



Wash. L.: Morris Bay, in a bog 300 m. above the sea level, the whole vege- 

 tation covered by a crust of ice (5. VI, old leaves). 



Ingl. L.: Advance Bay near Cape Scott (29. VI, old leaves and scapes only); 

 Marshall Bay (3. VII, flowering scapes appearing with young bulbils, no flower- 

 buds visible). 



Murch. S.: On gravel in a river-bed between Neke and Igdloluarsuit (20. 

 VIII, in full flower, about half part of the spike with flowers, the lower half with 

 bulbils); heathy place north of Igdloluarsuit (20. VIII, flow.; some specimens 

 with some flowers in the upper part of the spike, others with bulbils only). 



With the exception of the piants from Neke the leaves of all the 

 specimens have coarse scattered hairs on the underside. These from Neke 

 are mnch broader than nsual and quite glabrous on the underside. 



Ranunculaceæ. 



62. Ranunculus hyperboreus Rottb. 



Wash. L.: Putlersuak (L. K., 13. VIII, ster. fragm.). 

 Ingl. L.: Rensselaer Bay (date not given; sterile). 



63. Ranunculus pygmæus Whbg. 



Murch. S.: Bog at the talus of a fowling clilf, Igdloluarsuit (30. VII, tall 

 spec. in flow. and with young fruits); morainic slope n. of Igdloluarsuit (8. VIII, 

 low spec. with young fruits); between Neke and Igdloluarsuit (20. VIII, a single 

 plant in fruit). 



?Ranunculus Sabinei R. Br. — Rensselaer Bay (Kane). 



