212 Guayule. 



1906. HILL, T. G. On the seedling structure of certain Piperales. Ann. Bot. 20: 



161 to 175. April. 



1907. HOLM, T. Rubiaceae: Anatomical studies of North American representatives 



of Cephalanihus, etc. Bot. Gaz. 43: 153 to 168. 



1908. Medicinal Plants of North America, 22. Eupatorium perfoliatum L. 



Merck's Report 17: 326 to 328. 



19090. Medicinal Plants of North America, 30. Liriodendrontulipifera'L. 



Merck's Report 18: 198 to 201. 

 19096. Medicinal Plants of North America, 34. Cornus florida L. Merck's 



Report 18: 318 to 320. Dec. 

 1910. Medicinal Plants of North America, 36. Aletris farinosa L. 



Merck's Report 19: 33 to 35. Feb. 

 1907. HOLTERMANN, C. Der Einfluss des Klimas auf den Bau der Pflanzen- 



gewebe. Leipzig. 



1902. JODIN, H. Recherches anatomiques sur les Boragine*es. Ann. Sci. Nat. 



Bot. VIII. 17: 263 to 346. 



1903. JUMELLE, H. Les plantes a caoutchouc et a gutta. Paris. 



19100. KIRKWOOD, T. E. Propagation of guayule by seeds. Am. Rev. Trop. 



Agric. (Mexico) 1: 34-43. Feb.; 77^084. Mar .-Apr. 

 19106. The growth of guayule in relation to the soil. Am. Rev. Trop. 



Agric. 1: 142 to 159. May-June. 

 19 ice. The life-history of Parthenium argentatum (guayule). Am. Rev. 



Trop. Agric. 1: 193 to 205. July. 

 1907. KUPFER, E. Studies in plant regeneration. Mem. Torr. Club 12: 195 to 



241. June 10. 

 1906. LIVINGSTON, B. E. Soil moisture and evaporation. Cam. Inst. Wash. 



Pub. 52. 

 1901. LLOYD, FRANCIS E. Some points in the anatomy of Chrysoma pauci- 



flosculosa. Bull. Torr. Club 28: 446 to 450. 

 19050. The artificial induction of leaf-formation in the ocotillo. Torreya 



5: 175 to 179. Oct. 27. 

 19056. - Isolation and the origin of species. Science II. 22: 710 to 712. 



Dec. 1905. 



19080. - The physiology of stomata. Carn. Inst. Wash. Pub. 82. 



19086. Some features of the anatomy of guayule (Parthenium argentatum 



Gray). Plant World 11: 172 to 179. Aug. 

 I9o8c. - Methods of vegetative reproduction in guayule and mariola. 



Plant World 11: 201 to 208. Sept. 

 19080*. - - A perennial dodder. Plant World 11: 40 to 41. Feb. 



1909. - The Mexican Guayule and its Product, pp. 126 to 141 of a volume 



entitled Lectures on India Rubber: Being the Official Account of the 

 Proceedings of the Conference held in Connection with the Inter- 

 national Rubber and Allied Trades Exhibition, London, September, 

 1908. Edited by D. Spence, Ph.D. London. 



19090. - - Overlapping habitats. Plant World 12: 73 to 78. Apr. 



19100. - The guayule rubber situation. India Rubber World 41: 115 to 



118. Jan. i. 



19106. The responses of the guayule, Parthenium argentatum, to irriga- 

 tion. (Abstract) Science II, 31: 434 to 435. March 18. 



1905. MACCALLUM, W. B. Regeneration in plants. Bot. Gaz. 40: 97 to 120. 

 Aug. 16; 241 to 263. Oct. 18. 



1910. MACDOUGAL, D. T. The origin of desert floras. Carn. Inst. Wash. Pub. 1 13: 



pp. 113 to 119. 



N-SEFFER, P. Discussion (pp. 21, 



Planter's Association of Mexico, 1907-1908. Mexico City, Mexico. 



__ TT /-* A !_ A 1 _ - 1- . 1_ 1__J T J' T-1__-L1 TIT 1-3 



1908. OLSSON-SEFFER, P. Discussion (pp. 21, 22) in the Year-Book of the Rubber 



1907. PEARSON, H. C. A journey through guayule land. India Rubber World 



35: 173 to 177, Mar. i; 205 to 210, Apr. i. 

 1906. PLOWMAN, AMON B. The comparative anatomy and phylogeny of the 



Cyperaceae. Ann. Bot. 20: i to 33. Jan. 

 1899. RAMALEY, F. Comparative anatomy of hypocotyl and epicotyl in woody 



plants. Minn. Bot. Studies 2: 87 to 136. Feb. 22. 

 1910. RENNER, O. Beitrage zur Physik der Transpiration. Flora 100: 451 to 547. 



1908. Ross, H. Der anatomische Bau der mexicanischen Kautschukpflanze 



"Guayule," Parthenium argentatum Gray. Ber. d. D. Bot. Gesellsch. 

 26: 248 to 263. Apr. 23. Contains several pertinent anatomical ref- 

 erences. A brief digest in English by A. D. Dusseldorf appeared 

 in the India Rubber World 40: 365, Aug. i, 1908, under the title, 

 "The anatomical structure of guayule." 



