1919] 



Hall-Goodspeed : (Jh rysil 



im 



one-half to several square miles in extent. Some of the largest plants 

 seen anywhere grow near the aqueduct (but not irrigated from it) a 

 few miles north of Lone Pine. The district around Keeler has not 

 been examined, nor has Long Valley, although both are reported to 

 have some Rabbit-brush. A considerable area in the lower part of 

 Deep Spring Valley is also said to be covered with Rabbit-brush of the 



Pig. 2. Chijisdiluinnuis iiauseosus var. riiiduhts, iiuiiolino- with var. f/iiaph- 

 (tJodcs. Experinieutal tract. Lone Pine, California. Soil moderately alkaline, 

 much trampled. Sierra Nevada Mountains in background; Mount Whitney at 

 ritjlit of center. 



riridulKs variety. If liarvcstcd, ])r()l)ably the best place to take it for 

 milling would be Owens A^alley. Small lots are also obtainable to the 

 northeast of Owens Valley, particularly in the vicinity of Benton, 

 whence come our richest samples of inriduhis, and in Chidago Caiion, 

 etc. Our estimate of the total amount of rubber in Owens Valley and 

 contiguous territory is 300,000 pounds. 



Fish Lake Valley, in western Esmeralda County, Nevada, is in- 

 cluded in District 1 since the size, habit, and variety of the shrub is 

 similar to that around Mono Lake and in Owens Valley. The exact 

 botanical classification of the plants, however, is not satisfactory. They 



