HITCHCOCK AND CHASE—TROPICAL NORTH AMERICAN PANICUM. 517 
Spikelets 2 mm. or more long; panicles open. 
Blades erect, firm; spikelets turgid, strongly nerved; 
plants grayish olive green; spikelets turgid, 
ween eee eee eee eee eee eee eee teens 90. P. roanokense. 
Blades spreading; spikelets not turgid, 2.2 mm. or more 
long, pointed; sheaths bearing pale glandular 
S) 00) 6 89. P. yadkinense. 
87. Panicum nitidum Lam. 
Panicum nitidum Lam. Tabl. Encycl. 1: 172. 1791; Contr. U. 8. Nat. Herb. 15: 
183. 1910. 
DISTRIBUTION. pair u 
a di e 
Moist ground and wooded swamps, te gee 
southeastern United States, Bahamas, Guu: A 
and Cuba. The type specimen from eral “Shee, 
[South?] Carolina, we a TS ya 
Bawamas: Great Bahama,Golden N& eo te ; 
Grove, Britton & Millspaugh ae Be 
2736. ( 
Cusa: Sierra Nipe, Shafer 2999, ( 
3001. 
Fia. 113.—Distribution of P. nitidum. 
88. Panicum multirameum Scribn. 
Panicum multirameum Scribn. U. 8. Dept. Agr. Div. Agrost. Circ. 19: 2. 1900; 
Contr. U.S. Nat. Herb. 15: 185. 1910. 
DISTRIBUTION. 
Banks and dry open ground, 
southern Mexico to Guatemala; also 
in Jamaica. The type specimen 
from Jalapa. 
Veracruz: Orizaba, Bourgeau 
2383, Smith 593, Amer. Gr. 
. Nat. Herb.98. Jalapa, Hitch- 
Fig. 114.—Distribution of P. multirameum. cock 6610, 6639, Pringle 7882, 
8339a, 9209, 9210. 
GuaTEMALA: Cobdn, Tiirckheim II. 1322. 
Jamaica: Bull Head Mountain, Hitchcock 9532. 
89. Panicum yadkinense Ashe. 
Panicum yadkinense Ashe, Journ. Elisha i comico 
Mitchell Soc. 16: 85. 1900; Contr. U. 8. oO Yop dss] 
Nat. Herb. 15: 195. 1910. 
(A 
DISTRIBUTION. on ce. 
one ra 
« 
Moist woods and thickets, southeastern vo a 
United States to Mexico. The type speci- ILA : 7 
men from North Carolina. a aes f | 
PuEBLA: Without locality, Nicolas in 
1909. Fia. 115.—Distribution of P. yadkinense. 
