﻿margin folded around the stamen, lanceolate, acuminate, 

 bidentate, equaling the flowering glume, joints of the 

 rachis of spikelet about 2" apart. This remarkable plant 

 has most of the technical characters of Hystrix, but is 

 manifestly allied to Elymii< rondoisatus, and may prove 

 to be only a form of it. 



No. 5447. Top of Salina Pass, Utah, 8200° alt., in 

 clay, in rather alkaline soil. 



Ephedra Nevadensis var. viridis (Coville, Death 

 Valley Rep., 220). 



Ephedra viridis Coville, 1. c. 



No. 5213d. May 12, ten miles below Kanarra, 4500 



No. 559oe. Head of Soldier Canon, 6700 alt., in 

 clay, July 5. 



No. 5001k. At foot of grade above Bellevue, Utah, 

 3700 alt., among rocks, March 30. 



No. 5i63at. Silver Reef, Utah, in gravel, 4500 alt., 



No. 5124. Diamond Valley, Utah, 4500 alt., on rocks, 

 April 28. 



No. 5iioao. April 26, St. George, Utah, 3000 alt., 

 in red sand. 



No. 5338ah. Marysvale, Utah, 6ooo c alt., in gravel, 

 May 31. 



No. 5297V. Pahria Canon, Utah, 5300 alt., in red 

 sand, May 26. 



No. 5289y. Johnson, Utah, 5000 alt., in red sand, 

 May 23. 



No. 5476V. June 21, Grand Junction, Col., 4500 alt., 

 in gravel. 



No. 5663bf. Marvine Laccolite, Utah, 6000 alt., in 

 gravel, July 23. 



This plant, which I have collected in various places in 



