126 Mnhlenbergia, Volume 6 



Most of our plants were formerly referred to J. longistylis 

 Kngelm., a species now believed not to leach our region. 



20. JtJNCUS LATIFOI.IUS Buchenau, Monog. June. 425. 1890. J. 



orthophyllus Coville, Cont. U. S. Nat. Herb. 4: 207. 1893. 



Caespitose in wet meadows and by stream banks at high 

 altitudes in the San Bernardino mountains. 



Bear Valley, 6500 feet altitude, June, 1894, Parish 3238; 

 August, 1891, Abrams. Bluff Lake, 7400 feet alti'tide, June, 

 1 894, Parish 3259, 3260. 



Our specimens belong to the var. gemiinns Buchenau, Das 

 Pflanzenreich IV. 36: 246, which is distinguished by its stature, 

 not exceeding 25 cm., and its 2 to 6 heads, which are 8 to 10- 

 flowered. The var. paniculatus Buchenau, I.e., 50cm. or 

 more tall, with narrower (2 mm.) leaves, and numerous panicu- 

 late heads, may be expected. 



21. Juncus obtusatus Engelm. Trans. St. Louis Acad. 2: 495. 



1868. 



San Bernardino mountains at about 5000 feet altitude. 



Wet sandbar, Tyler's mill, August, 1881, Parish 1089. 

 Little Bear Valley, May, 1884, Parish 1089a. In the same 

 neighborhood, July, 1901, Abrams 1998. 



This is the southern known limit of the species. 



22. JuNCUS TRIFORM is var. uniflorus Engelm. Trans. St. Louis 



Acad. 2: 493. 1868. 

 On wet sandbars, Bear Valley, 6500 feet altitude, San Ber- 

 nardino mountains, June, 1886, Parish i8jp. Margin of Lake 

 Surprise, 9000 feet altitude, San Jacinto mountains, July, 1908, 

 Reed 2481. The latter station is the southern known limit of 

 the species. 1 



