﻿86 Nash: New or noteworthy American Grasses 



than itself, the nerves sparingly ciliate, the fourth scale chartaceous, 

 about three- fourths as long as the spikelets, yellowish, elliptic, 

 about 1.75 mm. long, .7 mm. wide, a little pubescent at the acutish 

 apex, enclosing a palet of equal length and similar texture; an- 

 thers purple, about 1 mm. long. 



Mr. J 



in 1889, and dis- 



a ncep 



the slenderer culms and leaves, the narrow panicle with its erect 

 and slender branches, and the spikelets but little more than one- 

 half as large. 



/Panicum tsugetorum sp. nov. 



Culms and sheaths pubescent with short appressed hairs inter- 

 mixed toward the base with longer ones. Culms tufted, 2—4.5 

 dm. tall, slender, at length much branched and decumbent or 

 prostrate ; sheaths shorter than the internodes ; ligule a ring of 

 hairs about 1 mm. long ; leaves erect or ascending, firm, lanceo- 

 late, 5-7-nerved, minutely appressed-pubescent beneath, smooth 

 and glabrous above, or the upper primary leaves sometimes with 

 a few long erect hairs, the primary leaves 4-8 cm. long, 5-8 mm. 

 wide, those on the branches smaller and partly concealing the 

 small panicles ; primary panicle broadly ovate, 4-6.5 cm. long, its 

 branches spreading-ascending ; spikelets broadly obovate, about 

 1.8 mm. long, the outer 3 scales membranous, pubescent with 

 short spreading hairs, the first scale broadly ovate, acute, 1 -nerved, 

 nearly one-half as long as the spikelet, the second and third scales 

 broadly oval when spread out, 7-9-nerved, the fourth scale char- 

 taceous, oval, about 1.5 mm. long, enclosing a palet of similar 

 texture and equal length. 



Type material collected by the writer in the Hemlock Grove, 

 New York Botanical Garden, on dry soil, June 22, 1896, no. 287. 

 The later and much branched condition was secured at the same 

 spot on July 20 and August 20 of the same year, Nos. 417 and 

 483 respectively. 



Aristida laxosa Muhl., Descr. Gram. 174. June 12, 1817. 



Aristida lanata Poir. in Lam. Encycl. Suppl. 1:453. l8ia 

 Not Forsk. 1775. 



Chactaria gossypina Bosc ; Beauv. Agrost. 30. 181 2. Name 

 only. 



Chactaria gossypina Beauv. R. & S. Syst. 2:391. July 31, 

 1817. 



