INDEX TO AMERICAN BOTANICAL LITERATURE 39 
Hopkins, C. G. Plant food in relation to soil fertility. Science II. 
36: 616-622. 8 N 1912. 
Horne, W. T. Fungous root rot. Monthly Bull. State Comm. Hort. 
Calif. 1: 216-225. f. 83-91. My 1912. 
Armillaria mellea the cause of root rot. 
Hotson, J. W. Culture studies of fungi producing bulbils and similar 
propagative bodies. Proc. Am. Acad. Arts & Sci. 48: 227-306. 
pl. i-12.: O 1912; 
Includes new species in Cubomia (1), Papulospora (9) and Melampsora (3). 
Jeffrey, E. C. The history, comparative anatomy, and evolution of 
the Araucarioxylon type. Proc. Am. Acad. Arts & Sci. 48: 531- 
571. pl. 1-8. N 1912. 
Johnson, A. G. The unattached aecial forms of plant-rusts in North 
America. Proc. Indiana Acad. Sci. 1911: 375-411. 1912. 
Johnson, E. C. The smuts of wheat, oats, barley, and corn. U. S. 
Dept. Agr. Farm. Bull. 507: 3-32. f. 7-12. 8 O 1912 
Kingman, C. C. A list of mosses collected in southern California. 
Bryologist 15: 93-95. N 1912. 
Lantis, V. Development of the microsporangia and microspores of 
Abutilon Theophrasti. Bot. Gaz. 54: 330-335. f. I-12. 15 O 1912. 
Lew's, I. M. A bacterial canker of plum twigs. Trans. Am. Micros, 
Soc. 31: 145-149. pl. 14. Jl oe 
A disease caused by Pseudomonas Pru 
Lindau, G. Einige neue ‘Aastha Repert. Sp. Nov. 11: 122~124. 
20 Ji 1912. 
Includes Geissomeria a Streblacanthus cordatus, and Chaetochlamys pana- 
mensis spp. nov. from Pana: 
Lyon, H.L. Tliau, an ea cane disease. R-p. Exp. Sta. Hawaiian 
Sugar Planters’ Assoc. Bull. 11: 5-28. pl. 1 +f. I-10. S 1912. 
Includes Melanconium Iliau the imperfect stage of Gnomonia Iliau sp. nov. and 
notes on M. Sacchari. 
McLachlan, A. The branching habits of Egyptian cotton. U. S. 
Dept. Agr. Plant Ind. Bull. 249: 5-28. pl. 1-3 +f. 1. 20S 1912. 
Mattei, G. E. Osservazioni biologiche sopra alcune Cactaceae. Mal- 
pighia 24: 341-345. 1912. 
Melhus, I. E. Culturing o parasitic fungi on the living host. Phyto- 
pathology 2: 197-203. pl. 20 + f. 1,2. O 1912. 
ill, E. D. Nomenclatural and systematic notes on the flora of 
Manila. Jour. Philip. Sci. 7: (Bot.) 227-251. S 1912. 
Includes Fimbristylis corniculata, Tabernaemoniana subglobosa, Blumea tenera, 
Limnophila manilensis, and Staurogyne rivularis spp. nov. 
Merrill, E. D. Notes on the flora of Manila with special reference to 
