8o Muhlenbergia, Volume H 



state. The most are as yet hardly more than casuals, and may 

 never succeed in obtaining a permanent place in our flora. Some, 

 however, are weeds of wide distribution, and may have a future 

 before them. In this event a record of first appearances will be 

 of historical interest. 



Panicum miliaceum Iv. Sp. PI. 58. 

 In cultivated fields, Riverside, October, 1910, F. M. Reed 

 3T12. 



POA NERVOSA (Hook.) Vasey, 111. N. Am. Grasses 3: 81. 



West canyon, Palm Springs, Colorado desert, April 18, 1907, 

 Parish 6141. This and the following species were identified by 

 Professor A. S. Hitchcock. 



POA HowELLii V. & S. var. microsperma Vasey, Cont. U. S. 

 Nat. Herb. 1: 273. 



Waterman canyon, San Bernardino mountains, at 3000 feet 

 altitude, May 29, 1906, Parish 6206. The type was collected 

 at Santa Cruz. 



ECHINODORUS CORDIFOLIUS (ly.) Griseb. .\hh. K. Ges. Wiss. 

 Goett. 7: 257. E. rostratus Engelm. 

 According to Small (N. Am. Flora 17: 47) this plant does 

 not extend west of Texas, but specimens collected by Davidson 

 at Garvanza, and my no. 2246 from mud flats at Elsinore, are 

 unmistakably of this species. Small credits E. radicnns Engeliu. 

 to southern California, but I have ."^eeii n^ material houi our 

 region that could possibly be referred to tlial \fr\ di-iiucl spe- 

 cies. 



Asi'HoDHi.r.s FiSTULOSUS L. Sp. PI. 309. 

 Bryn Mawr, San Bernardino valley, 1909, Professor George 

 Robertson. This old world plant is abundantly naturalized in 

 northern Mexico, hut has not been reported herelof(Me from the 

 United States. It probabK' owes its presence at P)r\ n Mawr to 

 the Mexican settlement at that ]")lare. Identilit'd 1)\' I'rotcssor 

 h'ernald. 



