120 Muhlenbergia, Volume 6 



Riverside county. San Jacinto mountains: Thomas valley, 

 4500 feet altitude, Hall 20J/; Fuller's Mill, 5800 feet altitude, 

 Hall 224.9. 



San Diego county. Sweetwater dam, Alder son. Jamaicha, 

 400 feet altitude, May, 1907, Chandler 5260. 



8. JUNCUS Lesueurii Bolander, Proe. Cal. Acad. 2: 179. 1863. 



Stems 80 to 200 cm. tall, 4 to 6 mm. in diameter, fistulous, 

 or the lower half sometimes pithy: cataphylla stramineous, long 

 and lax: floral bracts 6 to 15 cm. long, pungent: inflorescence 

 many flowered. 



Wash of Lytle creek, near San Bernardino, June, 19 10, Par- 

 ish 8013. The southern limit of the species. 



II. Kprophvllati 

 §3. Tkalassi 



9. JUNCUS acutus Linn. var. spiiakrocarpus Engelm. Rep. U. 



S. Geol. Surv. W. 100th Mend. (>: 376. 1878. J. robus- 

 tus Wats. Proc. Am. Acad. 14: 302. 1879. 



Growing in robust clumps on the borders of tidal marshes 

 near the seacoast, and by streams at low altitudes in the Colo- 

 rado desert. 



Gaviota, May, 1902, Elmer joij. Oxnard, June, 1891, 

 Davy 7886. Ballona, May, 1901, Abrams 682; Braunton 702. 

 Wilmington, October, 1882, Parish 657. Santa Catalina island, 

 May, 1890, Drandegee. Oceanside, June, 1897, Parish 4430. 

 San Diego, October, 1903, Chandler 400. Sweetwater dam, 

 June, 1895, Alderson 934. Tia Juana river, August, 1902, A. C. 

 Herre; May, 1903, Abrams 3501. Thence into Lower Califor- 

 nia: San Janico, 1897, Anthony 4/9. Coloiado desert: Palm 

 canyon, Palm Springs, altitude 600 feet, April, 1907, Parish 

 6/46; Chuckwalla Springs, May, 1905, Hall 5778. 



m. Juncus Cooper] Engelm. Trans. St. Louis Acad. 2: 590. 

 1 868. 



Borders of saline marshes in the desert region. 



Bennett Wells, Mojave desert, June, 1891, CovilU and Fun- 

 iton ..">/. Carrizo creek, Colorado desert, April, 1905, Brand- 

 egi , 



