298 INDEX TO AMERICAN BOTANICAL LITERATURE 
Fernald, M. L., & Wiegand, K. M. A northern variety of Erigeron 
ramosus. Rhodora 15: 59-61. 12 Ap 1913. 
Erigeron ramosus septentrionalis var. nov. 
Gates, R. R. A new QOenothera. Rhodora 15: 45-48. pl. 100, I0T. 
Mr 1913 
Oenothera angustissima sp. nov. 
Gates, R.R. Tetraploid mutants and chromosome mechanisms. Biol. 
Centralb. 33: 92-99. 20 F 1913; 33: 113-150. f. 1-7. 20 Mr 1913. 
Goodrich, L. L. H. Flora of Onendaga County as collected by the 
members of the Syracuse Botanical Club. 1-210. Syracuse, 1912. 
[Ilust.] 
Goodspeed, T. H. On the partial sterility of Nicotiana hybrids made 
with N. sylvestris asa parent. Univ. Calif. Publ. Bot. 5: 189-198. 
21 Mr 1913. ; 
Harger, E. B. Some plants of the Southbury Triassic area. Rhodora 
15: 65-68. 23 Ap 1913. 
Hawkins, L.A. The effect of certain chlorides singly and combined in 
pairs on the activity of malt diastase. Bot. Gaz. 55: 265-285. 
15 Ap 1913. 
Hawkins, L. A. Experiments in the control of grape anthracnose. 
U.S. Dept. Agr. Plant Ind. Circ. 105: 3-8. pl. 1, 2. 10 F 1913 
Hemenway, A. F. Studies on the phloem of the dicotyledons—II. 
The evolution of the sieve tube. Bot. Gaz. 55: 236-243. pl. II. 
+f. 1-3. 15 Mr 1913. 
Higgins, B. B. The perfect stage of Cylindosporium on Prunus avium. 
Science II. 37: 637, 638. 25 Ap 1913. 
The perfect stage is named Coccomyces hiemalis sp. nov. 
Hoffman, C. Paraffin blocks for growing seedlings in liquid culture 
solutions. Bot. Gaz. 55: 244-248. f. 1-3. 15 Mr 1913. 
Holden, R. Cretaceous Pityoxyla from Cliffwood, New Jersey. Proc. 
Am. Acad. Arts & Sci. 48: 609-624. pl. 1-4. Mr 1913. 
Includes Pinus protoscleriopitys, Pityoxylon foliosum, and P. anomalum, spp. nov. 
Howe, I. A. New botanical finds for St. Johnsbury. Bull. Vermont 
Bot. Club. 8: 15, 16. Ap 1913. 
Howe, R. H. A further note on the Linnean Herbarium. Torreya 
13:77, 78. 6 Ap 1913. 
Hubbard, F.T. A Panicum unreported in New England. caveat u 15: 
64. 12 Ap 1913. 
Kellerman, K. F. The excretion of cytase by Penicillium pinophilum. 
U.S. Dept. Agr. Plant Ind. Circ. 118: 29-31. f. z, 2. 22 Mr 1913. 
Kellerman, K. F. Soil bacteriology as a factor in crop production. 
U.S. Dept. Agr. Plant Ind. Circ. 113: 3-10. f. r. 15 F 1913. 
