502 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM 
PARVIGLUMIA. 
PUNE PUA TOUS Se sree setae ins oe Reticence aa ae 66. P. parviglume. 
Fruit with scattered appressed silky hairs. 
Culms creeping, with ascending flowering branches, not over 
0:5 meter high: blades faleatesc (2 eo: ee oe 64. P. schmitzi. 
Culms clambering, usually 1 to 3 Hee long; blades not 
falcate. 
Panicles 2.5 to 7 cm. long; blades not over 1 cm. wide, 
SyIMMeiieal Ab bases ttc o/b sees as oe oie 63. P. virgultorum. 
Panicles 10 to 15 cm. long; blades 1.2 to 2.5 em. wide, 
unsymmetrical at base.....-.-.-.-...- SES eas ieee 65. P. schiffnert. 
374 ef ee 
we J p- 63. Panicum (virgultorum Hack. lrtes; Tee 
fee 
Panicum virgultorum Hack. Oesterr. Bot. Zeitschr. 51: 369.1901; Contr. U. 8. Nat. 
Herb. 15: 125. 1910. 
DISTRIBUTION. 
Hedge rows, brushy banks, and cultivated fields, southern Mexico to Panama. ‘The 
type specimen from Costa Rica. 
Veracruz: Jalapa, Hitchcock 6630. 
Cordoba, Hitchcock 6441. Ori- 
zaba, Amer. Gr. Nat. Herb. 
64. 
Shoko AY GUATEMALA: Guatemala City, Hitch- 
Sue eee: yp esa cock 9074. Chacula, Seler 2708. 
Coban, Tiirckheim 3788. 
Costa Rica: San José, Hitchcock 
8490. Alajuelita, Tonduz 8818, 
8829. Tres Rios, Pittier & 
Tonduz 4326. San Francisco, Rio Térres, Jiménez 49. San Juan, Jiménez 
Fig. 85.—Distribution of P. virgultorum. 
919. 
PanamMA: El] Boquete, Hitchcock oe 
ae eee blen. Cwatt; Woatberwaxl68F 
ie : 64. Panicum Gat. Hack. 
Panicum schmitzii Hack. Ann. Naturhist. Hofm. Wien 17: 254. 1902; Contr. U.S. 
Nat. Herb. 15: 125. 1910. 
DISTRIBUTION. 
Shaded rocky slopes, central and 
southern Mexico. The type specimen 
from Mexico. 
San Luis Potosi: Las Canoas, 
Pringle 3817. 
Veracruz: Cérdoba, Hitchcock 
6423, 6446. Orizaba, Amer. i 
Gr. Nat. Herb. 65. Fig. 86.—Distribution of P. schmitzii. 
65. Panicum schiffneri Hack. 
Panicum schiffnert Hack. Ergeb. Bot. Exped. Akad. Wiss. Siidbras. 11. 1906; Denk- 
schr. Kais. Akad. Wiss. Wien 79: 72. 1908. The type specimen, in Hackel’s herbar- 
ium, was collected in southern Brazil by Wettstein and Schiffner in 1901. 
