INDEX TO AMERICAN BOTANICAL LITERATURE 325 
Michael, H. A. Studies in plant and organic chemistry and literary 
papers. 1-423. pl. I, 2. portrait. 1907. 
Mottet,S.  Oxycoccus macrocarpus. Rev. Hort. 79: 187, 188. 7. 64. 
16 Ap 1907. 
Native of North America. 
Nash, G. V. Costa-Rican orchids —I, Bull. Torrey Club 34: 113- 
124. pl. 7,8. 7 My 1907. 
Includes Ev/eanthus caricoides and Zygostates costaricensis, spp. nov. 
Nelson, A. Is this birch new? Bot. Gaz. 43: 279-281. f 15 Ap 
1907. 
Nelson, A. Some new western plants and their collectors. Proc. 
Biol. Soc. Wash. 20: -33-39. 27 Mr 1907. 
New species in fritillaria, Roripa, Sidalcea, Zauschneria, Mertensia, Douglasia, 
Coleosanthus, Machaeranthera (2), and Antennaria. 
Nichols, J. T. New stations for Chamaecyparis on Long Island, New 
York. Rhodora 9: 74. 30 Ap 1907. 
Niles, G.G. Rare bog plants of Pownal. Bull. Vt. Bot. Club 2: 16- 
' 19. map. Ap 1907. 
Niles, G.G. Through Bristol swamp. Plant World 10: 73-80. f 
75. Ap 1907. 
Oleson, 0. M. & Somes, M. P. A flora of Webster County, Iowa. 
Proc. Iowa Acad. Sci. 13: 25-58. [Mr] 1907. 
Olsson-Seffer, P. Visits to some botanic gardens abroad. Plant World 
10: 27-31. f.9-rz. [Mr] 1907; 58-62. f. rg. Mr 1907 ; 84-90. 
J. 16-18. Ap 1907. 
Osterhout, G. E. Nuttall and Pursh and some early spring flowers of 
Colorado. Plant World 10: 80-84. Ap 1907. 
Pammel, L. H. Some diseases of Rocky Mountain plants. Proc. 
Towa Acad. Sci. 13: 89-114. [Mr] 1907. 
Petitmengin, M.G.C. Etudes comparatives sur la flore Andine et 
sur celle des Alpes Européennes. Bull. Acad. Internat, Géogr. Bot. 
16; 2-11, 22 Ja 1907. 
Phelps, 0. P. Noteworthy plants of Salisbury, Connecticut. Rhodora 
9: 74, 75. 30 Ap 1907. 
Pilger, R. Erganzungsheft II zu Engler & Prantl, Nat. Pflanzenfam. 
193-288. f, 26-45. 1907. 
Plitt, C. C. Webera sessilis and ants. Bryologist 10: 54, 55. 2 
Poyser, W. A. Zsoctes saccharata in the Delaware River. Fern Bull. 
te *8 [Ap] 2907. 
