62 CONTRIBUTIONS TO THE NATURAL HISTORY OF ALASKA. 



PAPAVERACEiB. 



Papaver alpinum,li., P. nudicaule. Norton Sound, Kotzebue Sound, and from Point Barrow 

 to Mackenzie River. (Nudicaule occurs sparingly in the rocky bed of the creek beyond the large 

 lake southeast of the village of lliuliuk on Unalashka Island. It was not observed on any other 

 island, though carefully searched for. T.) 



PUMARIACE-5J. 



Gorydalis pauciflora, Pers., Norton Sound, island of Saint Lawrence. 

 G. glauca, Ptjrsh. Point Barrow to Mackenzie River. 



CRUCIFERiE. 



Barberea vulgaris, R. Br., Sitka, and Norton Sound. All Aleutian Islands. (T.) 

 Arabis hirsuta, Scop., Sitka and Unalashka. (All the Aleutian Islands. T.) 

 (Arabis petrcea, L., var. ambigua, Reg-el. Sitka and throughout Aleutian Chain. T.) 

 Nasturtium palustre, D 0., Eschholtz Bay, Unalashka, and Yukon River. 

 Gardamine lenensis, Andre. Island of Saint Lawrence, Unalashka, Sitka. 

 C. pratensis, L., Kotzebue Sound, Point Barrow, to Mackenzie River; (Norton Sound and 

 throughout the Aleutian Iglands. T.) 



G. Mrsuta, L., Unalashka and Sitka, (Atkha Island. Common. T.) 

 C. purpurea, Cham., Kotzebue Sound, Wainwright Inlet, Unalashka. 



C. digitata, Richards., (Possibly only a form of G. pratensis ; see J. D. Hooker in Outlines 

 of the Distribution of Arctic Plants.) Wainwright Inlet, island of Saint Lawrence, and between 

 Point Barrow and Mackenzie River. 



Alyssum hyperboreum, L., A doubtful native of America. Ledebour, in Flora Rossica, simply 

 tells us (on authority of Steller and Krasch) that it is "in ora occidentale Americas borealis." 



Parrya macrocarpa, R. Br., Kotzebue Sound, Cape Lisburne, between Point Barrow and 

 Mackenzie River, and island of Saint Lawrence. 



Draba algida, D C, Island of Saint Lawrence. 



D. alpina, L., Kotzebue Sound. 



B. glacialis, Adams. Cape Lisburne, Assistance Bay, Garry Island. 



B. stellata, Jacq., var. hebecarpa. Kotzebue Sound, Unalashka, and Saint Lawrence Island (?). 

 (High hill-tops of Aleutian Islands, rare. T.) 



B. hirta, L., Kotzebue Sound. 



B. incana, L., Garry Island, Saint Lawrence Island, Unalashka, (all the Aleutian Islands. 

 Quite common. T.) 



B. gracilis, Ledeb., Unalashka. 



B. borealis, D C. Islands of Saint Lawrence and Unalashka. According to J. D. Hooker 

 this species is perhaps only a leafy form of B. incana. 



B. unalaschkiana, D C.', "A var. B. borealis" (?), Ledebour, op. cit. at Unalashka. 



B. stenoloba, Ledeb., Unalashka. 



B. muricella, Wahl., B. nivalis, Liljebl., Wainwright Inlet. 



B. grandis, Langsdorff. Sitka, Unalashka. 



Cochlearia fenestrata, R. Br., Norton Sound to Point Barrow and Assistance Bay. 



G. oblongifolia, D C. Sitka, Kotzebue Sound, Wainwright Inlet, and between Point Barrow 

 and Mackenzie River, Norton Sound. 



G. anglica, L., Kotzebue Sound and Assistance Bay. 



(Gochlearia officinalis, L., Saint Michael's. Seven inches high, not very common; abundant 

 throughout the Aleutian Islands. T.) 



Tetrapoma pyriforme, Seemann. Tab. 2, Bot. of Voyage of the Herald. Probably introduced 

 by the Russians, as it has not been found elsewhere than at Saint Michael's. 



Hesperis pallasii, T. and G. Kotzebue Sound and Cape Lisburne. 



Sisymbrium sophia, L., var. sophioides. Kotzebue Sound and between Point Barrow and Mac- 

 kenzie River. 



