nein le ae fy, 
CO ee 
. . 
INDEX TO AMERICAN BOTANICAL LITERATURE 589 
‘Hassler, E. Novitates argentinae, IV. Repert. Sp. Nov. 13: 237-239. 
31 Mr 1914. 
Includes Melochia argentina sp. nov., and two new varieties. 
Hauri, H., & Schréter, C. Versuch einer Ubersicht der siphonogamen 
Polsterpflanzen. Bot. Jahrb. 50: (Suppl.) 618-656. f. 7. 25 
Mr 1914. 
Heald, F. D., & Gardner, M. W. Longevity of pycnospores of the 
chestnut-blight fungus in soil. Jour. Agr. Research 2: 67-75. 
15 Ap 1914. : 
Heller, A. A. New combinations—XI. Muhlenbergia 9: 67, 68. 30 
Je 1913. 
Hitchcock, A.S. The type species of Danthonia. Bot. Gaz. 57: 328- 
330. 15 Ap 1914. 
Howe, R.H. North American species of the genus Ramalina. Part I. 
Bryologist 16: 65-74. pl. 5-7 + fe 1-3. $1913; Part II. Bryolo- 
gist 16: 81-88. pl. 8, 9. N 1913; Part III. Bryologist 17: 1-7 
pl. t,2+f.1, 2. 7 F 1914; Part IV. Bryologist 17: 17-27. pl. 
5,6+f. 1-6. Mr 1914. 
Jones, L. R. Problems and progress in plant pathology. Am. Jour. 
Bot. 1: 97-111. Mr 1914 
Knowlton, C. H. Orontium at Hyannis, Massachusetts. Rhodora 16: 
77: 27 Ap 1914. 
Knuth, R. Ein Beitrag zur Systematik und geographischen Verbreitung 
der Oxalidaceen. Bot. Jahrb. 50: 215-237. f. 1-5. 25 Mr 1914. 
Kofoid, C. A. Phytomorula regularis, a symmetrical protophyte 
related to Coelastrum. Univ. California Publ. Bot. 6: 35-40. pl. 7. 
It Ap 1914. 
Phytomorula regularis gen. et sp. nov. 
Kraus, E. J. The pollination of the pomaceous fruits. I, Gross 
morphology of the apple. Oregon Agr. Exp. Sta. Research Bull. 1: 
3-12. pl. 1-7. 22 Ap 1913. 
Lewis, I. F. Chlorochromonas minuta, a new flagellate from Wisconsin. 
Archiv Protistenkunde 32: 249-256. pl. 12. 1913. 
Lloyd, F. E. Morphological instability, especially in Pinus radiata. 
Bot. Gaz. 57: 314-319. pl. r4 +f. 1, 2. 15 Ap 1914. 
Mann, A. Coloration of the seed coat of cowpeas. Jour. Agr. Research 
2: 33-56. pl. 6+/f.1, 2. 15 Ap 194. 
Manning, F. L. Life history of Porella platyphylla. Bot. Gaz. 57: 
320-323. pl. 15, 16. 15 Ap 1914. 
