INDEX TO AMERICAN BOTANICAL LITERATURE 245. 
Hill, E. J. The annulus of Tortella caespitosa (Schwaegr.) Limpr. 
Bryologist 16: 17, 18. Mr 1913. 
Holdt, F. von. Forstwissenschaftliches aus Nordamerica. Mitteil. 
Deuts. Dendr. Gesells. 1912: 114-123. 1912. [Illust.] 
Hubbard, F. T. Further notes on the geeiains of Essex County, 
Massachusetts. Rhodora 15: 36-38. 4 Mri 
Humphrey, C. J. Winter injury to the white a ecm 3? 
62, 63. F 1913. 
Jackson, H. S. Apple tree anthracnose. Biennial Crop, Pest and 
Horticultural Rep. Oregon Agr. Exp. Sta. 1911-1912: 178-197. 
f. 1-9. 10 Ja 1913. 
Caused by a cei: Neofrabraea malicorticis (Cordley) Jackson, proposed as 
the type of a new genus. 
Jewett, H.S. A moss ‘“‘ washing machine.” Bryologist 16: 25-27. f. I. 
Mr 1913. 
Johnson, A. G. Canada-thistle and its eradication. 
Agr. Exp. Sta. Circ. 32: 1-12. f. 1-3. Ja 1912. 
Kennedy, P. B. Studies in Trifolium—VII. Muhlenbergia 9: 1-29. 
pl. 1-5. 7 Mr 1913. 
Includes Trifolium insularum, T. Helleri, T. aioe esa hsp T. Traskae, 
and T. mercedense spp. nov. 
Loomis, M. L. Some extensions of local ranges. 
4 Mr 1913. 
Lunell, J. Erigeron in North Dakota. Am. Mid. Nat. 2: 253-258. 
1 Jl 1912. 
Lunell, J. A new Gutierrezia from Oregon. 
195. 18 Mr 1912. : 
Gutierrezia ionensis sp. NOV. 
Lunell, J. A new Laciniaria from F lorida. 
164. 15 Ja 1912. 
Laciniaria Deamiae sp. nov 
Lunell, J. New plants from Minnesota—II. 
162. 15 Ja 1912 
Lunell, J. New pits from North Dakota—VI. Am. Mid. Nat. 2: 
142-149. Nuo11r;—VII. Am. Mid. Nat. 2: 153-159 15 Ja 1912; 
—VIII. Am. Mid. Nat. 2: 185-188. 18 Mr 1912;—X. Am. 
Mid. Nat. 3: 12,13. 6 Ja 1913. 
Lunell, J. Some new Laciniariae. 
Purdue Univ. 
Rhodora 15: 44. 
Am. Mid. Nat. 2: 194, 
Am. Mid. Nat. 2: 163, 
Am. Mid. Nat. 2: 159- 
Am. Mid. Nat. 2: 169-177- 18 
Mr 1912. 
Includes Laciniaria Deamii sp. nov 
Lunell, J. Synonymy alterations. 
MacClement, W. T. Some conditions 
Ottawa Nat. 26: 153-160. Mr 1913. 
Am. Mid. Nat. 2: 264. Jl 1912. 
of progress in the plant world. 
