INDEX TO AMERICAN BOTANICAL LITERATURE 157 
Diels, L. Menispermaceae. [In III. Beitrage zur Flora der Hylaea 
nach den Sammlungen von Ule’s Amazonas-Expedition.] Verhandl. 
Bot. Vereins Brandenburg 50: 73, 74. 10 Je 1908. 
Includes 4 new species in as many genera. 
Dusén, P. Beitriige zur Flora des Itatiaia. Arkiv Bot. 8': 1-26. 
pl. 1-5 +f. 1-10. § Au 1908. 
Engler, A. Beitrige zur Kenntnis der Araceae— X. Bot. Jahrb. 37: 
I10—143. S 1905. 
Includes 80 new species from tropical America, and one new genus, Ca/adiopsis. 
Fries, R. E. Zur Kenntnis der Phanerogamenflora der Grenzgebiete 
zwischen Bolivia und Argentinien —IV. LEinige choripetale und 
monokotyledone Familien. Arkiv Bot. 8°: 1-51. p/. 7, 2. 3 Au 
1908. 
, Gager,C.S. A-simple modification of the experiment to show the 
gaseous exchange in plant respiration. Torreya 8: 121-123. 19 
My 1908. _ [Illust.] 
Hanna,I.M. Expeditions into the Olympic Mountains. Mountaineer 
I: 29-34. Je1go7.  [Illust.] 
Hartley, C. P. Some apple leaf-spot fungi. Science I]. 28: 157-159. 
31 Jl 1908. 
Hicken, C. M. Nouvelles contributions aux fougéres argentines. 
Trabaj. Mus. Farm. Buenos Aires no. 19: I-12. 1907. 
Includes 2 new species, one each in Mephrodium and Asplenium. 
Hicken,C. M. Observations sur quelques fougéres argentines nouvelles ~ 
ou peu connues. Trabaj. Mus. Farm. Buenos Aires no. 15: 161- 
218. 1907. [[llust.] 
Includes new species, one each in Mephrodium, Pellaea, and Hypolepts. 
Hicken, C. M. Polypodiacearum argentinarum catalogus. Rev. Mus. 
La Plata 15: 226-282. 1908. 
Hochreutiner, B. P. G. Malvaceae et Bombacaceae novae vel minus 
cognitae. Ann. Conserv. & Jard. Bot. Genéve 10: 15-25. 8 Jl 
1906. 
Includes Pavonia costaricensis and Ceiba Fiebrigit (from Paraguay) spp. nov. 
Hochreutiner, B. P. G. Malvaceae et Sterculiaceae novae vel minus 
cognitae. Ann. Conserv. Jard. Bot. Genéve 11 & 12: 1-9. 30 
D 1907. 
Hollick, A. Systematic palaeontology of the Pleistocene deposits of 
Maryland: Preridophyta and Spermatophyta. Maryland Geol. Surv. 
Pliocene and Pleistocene 217-237. f/. 67-75. 1906. 
