316 INDEX TO AMERICAN BOTANICAL LITERATURE 
Petry, L.C. The anatomy of Ophioglossum pendulum. Bot. Gaz. 57: 
169-192. f. 1-16. 14 Mr 1914. 
Pickett, F. L. The development of the prothallium of Camptosorus 
rhizophyllus. Bot. Gaz. 57: 228-238. pl. 12, 13 + f. 1-41.. 14 Mr 
1914. 
Prescott, A. The trailing arbutus. Am. Bot. 20: 11, 12. F 1914. 
Quehl, L. Beschreibung einiger Kakteenbliiten. Monats. Kakteenk. 
232 E25; 214: 25: Ae 1913. 
Quehl, L. Mamillaria Wilcoxii Toumey. Monats. Kakteenk. 24: 22. 
15 F 1914. [Illust.] 
Reed, G. M. An unusual outbreak of apple blossom blight. Phyto- 
pathology 4: 27-30. F 1914. 
Rorer, J. B. The green muscardine fungus and its use in cane fields. 
Board Agr. Trinidad & Tobago Circ. 8: 5-14. pl. 1, 2+ f. 1, 2 
31 Mr 1913. 
Rorer, J. B. The Suriname witch-broom disease of Cacao. Board 
Agr. Trinidad & Tobago Circ. 10: 5-13. 30 Jl 1913. 
Rosenstock, E. Filices novae a cl. Dr. O. Buchtien in Bolivia collectae 
. matte Sp. Nov. 11: 53-60. 
w species in Blechnum (2), Asplenium (1), Aspidium (1), Polystichum 
(2), Lebisiwil (x), Polypodium (1), Elaphoglossum (2), and Lycopodium (1). 
Rydberg, P. A. Phytogeographical notes on the Rocky Mountain 
region—II. Origin of the alpine flora. Bull. Torrey Club 41: 89- 
103. 23 Mr 1914. 
Schaffner, J. H. The classification of plants—IX. Ohio Nat. 13: 
101-130. 28 Ap 1913. 
Schaffner, J. H. Ecological varieties as illustrated by Salix interior. 
Ohio Nat. 14: 255, 256. 23 F 1914. 
Schaffner, J. H. Field manual of trees. 1-154. Columbus. 1914- 
Smith, E. F. Identity of the American and French mulberry blight. 
Phytopathology 4: 34. F 1914. 
Stetson, S. 1913 notes on the flora of Copake Falls, N. Y.  Torreya 
14: 42-45. f. 2. 17 Mr 1914. 
Stewart, F. C., & Gloyer, W. O. The injurious effect of formaldehyde 
gas on potato tubers. New York Agr. Exp. Sta. Bull. 369: 385-416. 
bh. 7, 2.0 D: 1912: 
Stewart, V. B. Specific name of the fire blight organism. Phyto- 
pathology 4: 32, 33. F 1914. 
