No. 469] 



BIOLOGY OF CACTI 



47 



LITERATURE 



BURGERSTEIN, 



:04. Transpiration der Pflanzen. Jena. 

 Cannon, W. A. 



:05a. A New Method of Measuring the Transpiration of Plants in Place. 

 Bull. Torrey Bot. Club, vol. 32, p. 515. 

 Cannon, W. A. 



:05b. On the Transpiration of Fouqukria splendens. Bull. Torrey 

 Bot. Club, vol. 32, p. 397. 

 COVILLE, F. V. 



•93. Botany of the Death Valley Expedition. Contr. U. S. Nat. Herb., 

 vol. 4, p. 43. 

 CoviLLE, F. v., and MacDougal, D. T. 



:03. The Desert Botanical Laboratory. Public. Carnegie Inst., Wash- 

 ington. 

 Spalding, E. S. 



:05. Mechanical Adjustment of the Suguaro (Cereus gigantcus) to 

 Varying Quantities of Stored Water. Bot. Gaz., vol. 32, p. 57. 

 Spalding, V. M. 



:04. The Creosote Bush (Covillea tridentata) in its Relation to WatcM- 

 Supply. Bot. Gaz., vol. 38, p. 122, 7 figs. 

 Spalding, V. iL 



:05. Soil Water in Relation to Transpiration. Torreya, vol. 5, p. 25. 



