516 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
84. Panicum arenicoloides Ashe. 
Panicum arenicoloides Ashe, Journ. Elisha Mitchell Soc. 16: 89. 1900; Contr. U. S. 
Nat. Herb. 15: 173. 1910. 
DISTRIBUTION. 
Sandy pine woods, southeastern 
United States; also in Guatemala. 
The type specimen from North Caro- 
lina. 
GUATEMALA: Cuesta de Peinha, 
between Gualdn and Copan, 
Pittier 1805b. 
Fig. 110.—Distribution of P. arenicoloides. 
85. Panicum ovinum Scribn. & Smith. 
Panicum ovinum Scribn. & Smith, U. S. 
Dept. Agr. Div. Agrost.-Circ. 16: 3. 1899, 
Contr. U.S. Nat. Herb. 15: 174. 1910. 
DISTRIBUTION. 
Open prairie and meadows, Southern 
States and in Veracruz. The type speci- 
men from Texas. 
Veracruz: Hacienda de la Laguna, 
near Jalapa, Schiede (Berlin Herb.). 
Fig, 111.—Distribution of P. ovinum. 
86. Panicum neuranthum Griseb. 
Panicum neuranthum Griseb. Cat. 
Pl. Cub. 232. 1866; Contr. U. S. Nat. 
Herb. 15: 175. 1910. 
DISTRIBUTION. 
Moist savannas, Florida and Cuba. 
The type specimen from Cuba. 
Cupa: Handbana, Wright 3453 
} in part. Without locality, 
Fig. 112,—Distribution of P. neuranthum. Wright 3454a. 
DICHOTOMA. 
Nodes, at least the lower, bearded; spikelets pubescent. 
Fruit slightly exposed at maturity; upper sheaths viscid- 
spotted; autumnal form erect or reclining. ..-...-..- 87. P. nitidum. 
Fruit covered at maturity; sheaths not viscid-spotted; 
autumnal form decumbent, with flabellate-fascicled 
branches. ......... 0. cece cece c eee ee ee eens 88. P. multirameum. 
Nodes not bearded; spikelets glabrous. 
Spikelets not over 1.6 mm. long; panicles narrow; plants 
glaucous bluish green. ...............e eee e eee ences 91. P. caerulescens. 
