Index to American botanical literature 121 



Nelson, A. Plantae Andrewseae. Proc. Biol. Soc. Wash. 17: 173- 

 179- 27 D 1904. 



New species and varieties in Asplenuim^ Nemexia^ Crataegus^ Eustoma^ Pleura- 

 gyne^ Mimidus^ Erigeron and Aster, 



^^ * 



Olive, E. W. Mitotic division of the nuclei of the Cyanophyceae, Beih. 

 Bot. Centralb. 18^: 9-44. pL 1,2. 1904. 



Osterhout, W, J. V. Contributions to cytological technique. Univ. 

 Calif. Publ. Bot. 2 : 73-90. /. 1-4. 15 Je 1904. 



Palmer, W. Gyrosfachys si7nplex in Virginia. Proc. BioL Soc. Wash. 

 17 : 165. 27 D 1904. 



Pammel, L. H. Forest conditions in western Wisconsin. Forestry & 

 Irrig. 10: 42X-426. S 1904, [Illust.] 



Penhallow, D. P. Notes on Tertiary plants from Canada and the 

 United States. Trans. Roy. Soc. Canada^ 10*: 57-76. 1904. 



Includes descriptions of new fossil species of Taxodhim and Citpressoxylon, 



Perkins, G. H. Description of species found in the Tertiary lignite of 

 Brandon, Vermont. Rep. State Geol. Vt. 1903-04: 174-212. pL 



7S'S^ +/' S. 1904. 



Includes ic4new species and the following new genera: Monocarpeliites^ Hicor^ 

 oidesj BicarpeliiteSy Brandonia^ Rubioides^ Sapindoides and Prtinoide^. 



Perkins, G. H. On the lignite or brown coal of Brandon and its fossils. 

 Rep. State Geol. Vt. 1903-04: 153-162. f. 6. 1904. 



Purpus, A. Die Geholzvegetation des nordlichen Arizona. Mitteil. 

 Deuts. Dendr, Gesells. 13 : 46-52. //. 2-6. 1904. 



Rehder, A. [Silberlinden.] Mitteil. Deuts. Dendr. Gesells. 13: 



208-210. 1904. 



Rehm, H. Ascomycetes exs. fasc. 33. Ann. Myc. 2: 515-521. 10 

 D 1904. 



Includes descriptions of Gibberidea obdiicens Rick and Apiosporium Rehmii Sydow, 

 two new species from Brazil. 



■ 



Rehm, H. Revision der Gattungen Tryblidiella Sacc, Rhydithysterium 

 Speg., Tryblidaria Sacc, Tryblidium Rebent., Tryblidiopsis Karst, 



w 



Ann. Myc. 2: 522-526. 10 D 1904. 



With many new combinations. 



Reiche, K. Bau und Leben der chilenischen Loranthacee Phrygilan- 

 thus aphyllus. Flora 93 : 271-297. //. j -f / i-g. 10 Au 1904. 



Rolfe, R. A. Cattleya Loddigesii dSi^ C Harrisoniana. Orchid Rev. 

 ^2 : 353-356. D 1904. 



Natives of South America. 



Rolfe, R. A. Stafihopea anfracta. Orchid Rev. 12 : 357. D 1904. 



Native of Colombia. 



