114 



POACEAE 



6. Panicum miliaceum 



Broom-corn Millet 



Fig. 234. 



Patiicuin miliaceum L. Sp. PI. 58. 1753. 



Annual, as much as 1 meter high ; cuhns and leaves 

 more or less papillose-hispid ; panicle 10-30 cm. long, 

 usually nodding, rather compact, the numerous branches 

 ascending, scabrous, spikelet-bearing toward the sum- 

 mit ; spikelets 5 mm. long, ovate, acuminate, strongly 

 many-nerved, first glume half the length of the spike- 

 let, acuminate. 



A native of the Old World, cultivated in some parts of the 

 United States as a forage plant under the names broom-corn 

 millet, hog millet, and prose millet. Scattered specimens have 

 been found in California. Aug.-Oct. Type locality: India. 



7. Panicum urvilleanum Kunth. 

 Desert Panicum. Fig. 235. 



Panicum uriillcanum Kunth, Rev. Gram. 2: 403. 236. pi. 115. 



1831. 

 Panicum urvilleanum longiglumc Scribn. U. S. Dept. Agr. 



Div. Agrost. Bull. 17 (ed. 2): 49. 1901. 



Plants robust, 60-100 cm. tall, perennial from 



creeping rhizomes; culms solitary or few in a tuft, 



the nodes densely bearded but usually hidden by 



the harshly villous sheaths ; blades 4-6 mm. wide, 



flat, tapering to a long- involute-setaceous point; 



panicle about 30 cm. long, open; spikelets 6-7 mm. 



long, densely silvery- or tawny-villous ; first glume 



acuminate, two-thirds to nearly as long as spikelet. 



Sandy deserts, southern California and Arizona, also in 

 southern South America. Mar. -June. Type locality: Chile; 

 of the variety longiglumc, San Jacinto, California. 



^^^^ 



8. Panicum lindheimeri Xash. 

 Linclheimer's Panicum. Fig. 236. 



Panicum lindheimeri Nash, Bull. Torrey Club 24: 196. 1897. 

 Panicum fiinstoni Scribn. & Merr. U. S. Dept. Agr. Div. Agrost. 



Circ. 35: 4. 1901. 



Vernal culms stiffly ascending or spreading. 30-60 



cm. high, glabrous, or the lower portion somewhat 



pubescent; leaves glabrous except the ciliate margin of 



the lower part of the blades (sheaths rarely with 



scattered hairs), ligule a ring of hairs 4-5 mm. long; 



panicle 5-8 cm. long, open ; spikelets 1.5 mm. long, 



obovate, obtuse, turgid, pubescent; autumnal form 



stiffly spreading or radiate-prostrate, with tufts of 



short appressed branches at the nodes; blades reduced, 



involute-pointed, often conspicuously ciliate at the 



base. 



Open ground and grass land, California (Three Rivers, 

 Coville & Funston; Sacramento, Michener), and eastward; 

 common in the eastern States. August. Type locality: Texas; of 

 P. funstoni, Three Rivers. California. 



