INDEX TO AMERICAN BOTANICAL LITERATURE 635 
Griggs, R. F. A botanical survey of the Sugar Grove region. Ohio 
State Univ. Bull. 18: 248-340. f. 1-29. Ap 1914. [Illust.] 
Giissow, H. T. Tri-septate spores in Claviceps. Phytopathology 4: 
386. O 1914. 
Hall, H. M., & Hall, C. C. A Yosemite flora. i-vii + 1-282. San 
Francisco. 1912. 
Harper, R. M. The aquatic vegetation of Squaw Shoals, Tuscaloosa 
County, Alabama. Torreya 14: 149-155. f. I-4. 18S 1914. 
Harper, R. M. A classification of botanical science in two dimensions. 
Torreya 14: 144-147. 12 Au 1914. 
Harper, R. M. The coniferous forests of eastern North America. 
Pop. Sci. Mo. 85: 338-361. O 1914.  [Illust.] 
Harter, L. L. Fruit-rot, leaf-spot, and stem-blight of the eggplant 
caused by Phomopsis vexans. Jour. Agr. Research 2: 331-338. 
pl. 26-30 +f. zr. 15 Au 1914. 
Harter, L. L., & Field, E.C. The stem-rot of the sweet potato (Ipomoea 
batatas). Phytopathology 4: 279-304. pl. 14-16 + f. 1,2. 11 Au 
1914. 
Hasse, H. E. Additions to the lichen flora of southern California, 
No. g. ‘ Bryologist 17: 61-63. 17 Au 1914. 
Includes Lecania fructigena A. Zahlbr., Placolecania Hassei A. Zahlbr., Lecanora 
peltastictoides, and Acarospora californica A. Zahlbr. 
Headden, W. P. Do azotobacter nitrify? Science II. 40: 379-381. 
I1 S 1914. 
Heald, F. D., & Studhalter, R. A. Birds as carriers of the chestnut- 
blight fungus. Jour. Agr. Research 2: 405-422. pl. 38,39 +f. 1, 2. 
21S 1914. 
[Herzog, T.] Die von Dr. Th. Herzog auf seiner zweiten Reise durch 
Bolivien in den Jahren. 1910 und 1911 gesammelten Pflanzen. 
Mededeel. Rijks Herb. 19: 1-84. O 1913 
Includes contributions by Rosenstock, Hallier, Heimerl, Fries, Zahlbruckner, 
Rechinger, Schneider, Focke, Janczewski, Radlkofer, Becker, Cogniaux, and 
Zu. 
Hewitt, J. L. A disease involving the dropping of cotton bolls. Phyto- 
pathology 4: 327-332. pl. 22 +f. 7,2. 11 Au 1914. 
Hill, A. F. A pubescent variety of the dwarf raspberry.. Rhodora 16: 
151,152. 317, Au 1914. 
Hill, E. J. Notes on the distribution of Polytrichum strictum and 
some associated Sphagna. Bryologist 17: 63, 64. 17 Au I914. 
