36 INDEX TO AMERICAN BOTANICAL LITERATURE 
Bitter G. Solana nova vel minus cognita—III. Repert. Sp. Nov. 11 
201-240, 200 10912. 
Includes 32 new species in Solanum. 
Blumer, J.C. The Euphorbias of Tucson and vicinity. Muhlenbergia 
8: 97-102. 31 O 1912 
Bédeker, F. Mamillaria Verhaertiana Boédeker spec. nov. Monats. 
Kakteenk. 22: 152-155. 15 O 1912. [lIllust.] 
Bovell, J. R. The use of entomogenous fungi on scalg insects in 
Barbados. West Ind. Bull. 12: 399-402. 18S 1912. 
Brooks, C., & DeMeritt, M. Apple leaf spot. Phytopathology 2: 
181-190. pl. 17. O 1912. 
A disease caused by Sphaeropsis malorum. 
Brown, W.H. The relation of Rafflesia manillana to its host. Philip. 
Jour. Sci. 7: (Bot.) 209-226. pl. 12-21. S$ 1912. 
Cannon, W. A. Structural relations in xenoparasitism. Am. Nat. 46: 
675-681. N 1912. [Illust.] 
Chamberlain, C. J. A round-the-world botanical excursion. Pop. Sci. 
Mo. 81: 417-433. f. I-10. N 1912. 
Clark, E. D. The original significance of starch. Orig. Comm, 
Eighth Internat. Cong. Appl. Chem. 19: 55-69. 1912. 
Clements, F. E., Rosendahl, C. O., & Butters, F. K. Minnesota trees 
and shrubs. Rep. Bot. Surv. Minnesota 9: ix-xxi + 11-314. 
15 Au 1912. 
Clute, W. N. A _ problematical fern (Gymnogramma lanceolata). 
Fern Bull. 20: 43-45. [O] 1912. [Illust.] 
[Clute, W. N.] Pteridiographia. Fern Bull. 20; 56-60. [O] 1912. 
Includes notes on (1) new fern pest, (2) walking fern and lime, (3) apogamy in 
Pellaea, (4) Lycopodium lucidulum porophilum, (5) affinities of Taenitis, and (6 
sporophyll zones. 
Clute, W. N. Rare forms of fernworts—XXII. Fern Bull. 20: 
49-52. [O] 1912. [Ilust.] 
Conklin, G.H. The Hepaticae of the sixth edition at Gray’s Manual 
compared with the exchange list. Bryologist 15: 88-91. N 1912. 
Coker, W.C. Achlya DeBaryana Humphrey and the prolifera group. 
Mycologia 4: 319-324. pl. 78. 23 N 1912. 
Coker, W. C. Achilya glomerata sp. nov. 
pl. 79. 23 N 1912. 
Cook, O. F. Results of cotton experiments in 1911. U.S. Dept. Agr. 
Plant Ind. Circ. 96: 3-21. 17 Jl 1912 
Mycologia 4: 325, 326. 
Deam, C. C. Additions to the flora of the lower Wabash valley, by 
Dr. J. Schneck. Proc. Indiana Acad. Sci. 1911: 365-360. 1912. 
