INDEX TO AMERICAN BOTANICAL LITERATURE 461 
Goldstein, B. Cytological study of living cells of tobacco plants 
affected with mosaic disease. Bull. Torrey Club 51: 261- 
273. o1. 5. “Je” 40 Iigase, = 
Goodwin, J. C., & Fenton, F. A. Morphological studies on the 
injury to apple caused by Ceresa bubalis. Phytopathology 
14: 334-335. f. I-g. 21 Jl 1924. 
Gregory, C. T. Sick vegetables and how to doctor them. 
Fruit, Gard. and Home 2: 10-11. Jl 1924. [Illust.] 
Gustafson, F. G. Total acidity compared with actual acidity 
of plant juices. Am. Jour. Bot. 11: 365-369. f. 1-6. 28 Je 
1924. 
Hayes, H. K., Stakman, E. C., Griffee, F., & Christensen, J. J. 
Reactions of selfed lines of maize to Ustilago Zeae. Phyto- 
pathology 14: 268-280. 27 Je 1924. 
Hohnel, F. Beitrag zur Kent.tnis der Gattung Cylindrosportum 
Grev. Ann. Myc. 22: 191-203. 1924. 
Including notes on American species and the new genera Phloeosporelia 
(type Cylindrosporium Ceanothi Ellis & Ev.) and Phloeosporina (type Cylin- 
drosporium minor Ellis & Keller). 
Hor, K.S. Interrelations of genetic factors in barley. Genetics 
9: 151-180. “Mr” 11 Jl 1924. 
Hubert, E. The red stain in the wood of the box elder. Am. 
Forests and Forest Life 30: 443. Jl 1924. [lllust.] 
Johnston, I. M. Expedition of the California Academy of 
Sciences to the Gulf of California in 1921. The botany 
(the vascular plants). Proc. Calif. Acad. Sci., WV. 42s 
951-1218. 31 My 1924. 
Including many new species and combinations. 
Johnston, I. M. Studies in the Boraginaceae.—II, Contr. 
Gray Herb. 70: 1-61. 1 Ap 1924. 
Including many new species and combinations. 
Johnston, I. M. Taxonomic records concerning American 
spermatophytes. 1. Parkinsonia and Cercidium; 2. New 
or otherwise noteworthy plants; 3. A neglected paper by 
Jean Louis Berlandier; 4. On the validity of Molina’s 
scientific names. Contr. Gray Herb. 70: 61-92. 1 Ap. 1924. 
Including many new species and combinations. 
