ARCTIC PLANTS COLLECTED- 131 



Poace-e. (Grass family.) 



Arclagrostis latifolia (R. Br.) Griseb. 



Point Barrow, September 4. 

 Poo arctica R. Br. 



At camp, August 12. 

 Brora us arcticus Shear. 



At camp, August 6. 

 Elymus innovatus Beal. 



Cape Smyth, September 5.- 



Melanthace-e. (Bunch-flower family. ) 

 Zygadenus elegans Pursh. 

 At camp, August 5. 



Saucace-e. (Willow family.) 

 Salic. 



Cape Smyth, September 5. 

 Salix. 



Point Barrow, September 4. 

 Salix. 



At camp, August 12. 

 Salix. 



At camp, August 5. 

 Salix. 



At camp, John River, altitude 1,800 feet, June 20-21. 

 Salix alaxensis (Anders.) Coville. 



John River, June 24; John River Valley flats, July 8; at camp, John River, July 10; at 

 camp, August 5; at camp, August 6; at camp, August 12. 

 Salix arbusculoides Anders. 



At camp, John River, June 28; John River, 1,000 feet above valley, July 8; at camp, John 

 River, July 10; at camp, August 6. 

 Salix glauca L. 



John River, 1,000 feet above valley, July 8; at camp, Arctic slope, July 21; at camp, 

 August 6; at camp, August 12. 

 Salix niphodada Rydb. (apparently). 



At camp, John River, July 10; at camp, Anaktuvuk River, August 5. 

 Salix ovalifolia Trautv. 



At camp, Colville delta, August 14. 

 Salix pulchra Cham. 



John River, June 24; John River, 1,000 feet above valley, July 8. 

 Salix richardsoni Hook. 



At camp, East Fork of John River, July 16-17. 



BetulacEjE. (Birch family.) 

 Betula. 



At camp, Arctic slope, July 21. 



