iqiq] SCHNEIDER— AMERICAN WILLOWS 63 



proper species, and therefore I do not think it advisable to take up 

 one of Gandoger's names for 5. anamesa. 



V. Species sectionis incertae. The proper systematic posi- 

 tion of the following species is still doubtful to me, and most of them 

 are so little known that it is impossible to even express an idea as 

 to their affinities. 



29. S. Chamissonis And. in DC, Prodr. 16^:290. 1S68; Lund- 

 strom apud Kjellman in Nordenskiold, Vega Exp. Arbet. 2:21 

 (Fanerogfi. St. Lawrence On). 1883; Coville in Proc. Wash. Acad. 

 Sci. 3*325.^^. 2 J. 1 901. — S. myrsinites Chamisso in Linnaea 6:540. 

 183 1, non L. — The type of this rare but apparently well marked 

 species was collected by Chamisso and Eschscholtz in 1816 at 

 St. Lawrence Bay; elsewhere it is only known from St, Lawrence 

 Island and Port Clarence in Alaska.'' 



30. S. GLACiALis And. in Ofv. K. Vet.-Akad. Forh. 15:131. 

 1858; in DC, Prodr. 16^:300. 1868; Coville in Proc. Wash. Acad. 

 Sci. 3:329.^^. 24. 1901; Rydberg in Bull. N.Y. Bot. Card. 1:262. 

 1899. — 5. Uva-ursi Seemann, Bot. Voy. Herald 40. 1852, pro parte. 

 — ^As Coville has already stated, "this species is known only from 

 the type specimen collected by Lieutenant W. J. G. Pullen in 1849, 

 on the Arctic seacoast between Point Barrow and the Mackenzie 

 River, and from specimens collected at Point Barrow by John 

 Murdoch in 1882-3." I have been able to examine a photograph 

 and fragments of the type {Pullen, no. 155, f., fr. im.; K), and I 

 agree with Andersson that it is a forma pusilla of S. ovalifolia. 

 The style is very short but not wanting, and the stigmas are rela- 

 tively long; the pedicel is also distinct and in fruit about \ longer 

 than the gland. It resembles the pubescent form of 5*. ovalifolia, 

 which is only somewhat more vigorous, and shows a more distinct 

 (but short) style. Andersson describes the leaves of the type as 



'5 After the manuscript of this note had gone to the printer, I found on a sheet 

 with S. amplifolia of Herb. Cor. a male specimen of S. Chamissonis collected by B.E. 

 on St. Lawrence Island, July 13, 1899, which had been seen by Coville but is not 

 enumerated by him in 1901. Had I seen it before I finished my manuscript I would 

 not have included this species in the present key because, judging by the male flowers, 

 it seems to belong to sect. Commutatae, with which I hope to deal later. The male 

 flowers possess only one gland, and the fine and close acute serration of the leaves 

 easily distinguishes this species from all the other willows treated in this paper. 



