560 INDEX TO AMERICAN BOTANICAL LITERATURE 
Eckerson, S. H. Microchemical studies in the progressive develop- 
ment of the wheat plant. Washington Agr. Exp. Sta. Bull. 139: 
3-20. pl. z,2. Mr 1917. 
Farwell, O. A. Notes on Hippochaete. Am. Fern Jour. 7: 73-76. 
Jl 1917 
ispoauae prealia var. pseudohyemalis nom. 
Fawcett, H. S. Melanose of citrus. Monthly Bull. State Com. Hort. 
Calif. 6: 280, 281. f. 86. Jl 1917. 
Due to Phomopsis citri. 
Fernald, M. L. Tiarella cordifolia L., forma parviflora, n.f. Rhodora 
36: 342.2 41-1037, 
Fletcher, E. F._ Some further plants found on woolwaste at Westford, 
Massachusetts. Rhodora 19: 132. 2 Jl 1917. 
Fletcher, S. W. North American varieties of the strawberry. Vir- 
- ginia Agr. Exp. Sta. Tech. Bull. 11: 3-125. f. 1-18. 1917. 
Contains bibliography. 
Floyd, B. F. Report of plant physiologist. Florida Agr. Exp. Sta. 
Rep. 1916: 30 R-50 R. f. 4-9. My 1917. 
Forbes, C. N. New Hawaiian plants—VI. Occasional Papers, Be P. 
Bishop Mus. 6: 51-54. f 0, 10.2 AOTF: 
Tetraplasandra racemosa sp. nov. 
Foster, L. Biology, Sate: Rep. New Mexico Agr. Exp. Sta. 24: 
34-36. 1914. 
Freeman, E. M. Division of plant pathology and botany. ti 
Minnesota Agr. Exp. Sta. 23: 47,48. F 1916. 
Frost, H. B. A method of numbering plants in pedigree culture. Am. 
Nat. 51: 429-437. Jl 1917. 
Gager,C.S. Ideals and opportunities for a botanic garden. Brooklyn 
atte pian becunebiloas 121-131. “Jl 1917. 
Science II. 45: 648-653. 29 Jl 1917. 
sie N. L. New Pacific Coast marine algae—I. Univ. Calif. 
Publ. Bot. 6: 377-416. pl. 31-35. 30 Je 1917. 
Includes descriptions of Arthrospira maxima, Chlorochytrium Porphyrae, Gayella 
constricta, Sargassum dissectifolium, Cystoseira neglecta, Petrocelis ota boner athe 
denbrandtia occidentalis, Coriophyllum expansum, Cum agloia Andersonii, spp- 
iia um and Cumagloia gen. nov., and Myelophycus intestinalis £. tenuis atts 
Géaben C.L. Experiences with a fern garden—I. Am. Fern Jour. 7: 
67-73. Jl 1917. 
Harper, R. M. The new science of plant sociology. Sci Mo. 4: 
456-460. My 1917. 
Harris, J. A. Biometric studies on the somatic and genetic physiology 
of the sugar beet. Am. Nat. 51: 507-512. 1917. 
