616 INDEX TO AMERICAN BOTANICAL LITERATURE 
Harris, J. A. On the significance of variety tests. Science II. 36: 
318-320. - 6.51012; 
Harris, J. A. On differential mortality with respect to seed weight 
occurring in field cultures of Phaseolus vulgaris. Am. Nat. 46: 512- 
$254 7S 1912. 
Harris, J. A. On the relationship between the bilateral asymmetry of 
the unilocular fruit and the weight of the seed which it produces. 
Science IT. 36: 414, 415. 27S 1912. 
Hedgcock, G.G. A Cronartium associated with Peridermium filamen- 
tosum Peck. Phytopathology 2: 176,177. Au 1912. 
Cronartium filamentosum (Peck) Hedgcock comb. nov. 
Hedges, F., & Tenny, L.S. A knot of citrus trees caused by Sphaerop- 
sis tumefaciens. U.S. Dept. Agr. Plant Ind. Bull. 247: 5-74. pl. 
9 3. 1°68. 17 Aw tore. 
Heide, F. Lentibulariaceae ( Pinguicula). Meddelelser om Groénland 
36: 441-481. f. 1-16. 1912. 
Heller, A. A. The Nevada lupines—VII. Muhlenbergia 8: 85-91. 
pl. 11, 12 + f. 12, 13. 30 S 1912. 
Lupinus variegatus and L. intermontanus spp. nov. 
Heller, A.A. New combinations—IX. Muhlenbergia 8: 60. 31 My 
1912;—X. Muhlenbergia 8: 96. 30S 1912. 
Heller, A.A. The North American lupines—VII. Muhlenbergia 8: 
82-84. f. rz. 10 Au 1912. 
Includes Lupinus borealis sp. nov. 
Heller, A.A. Pinus ponderosa and Pinus Jeffreyi. Muhlenbergia 8: 
73-79. pl. 7-10. 10 Au 1912. 
Herre, ‘A. W. C. T. ‘New or rare Californian lichens. Bryologist 15: 
BI-87.. S'19k2. 
Includes Trimmatothele Umbellulariae, Heppia alumenensis, and Legania shas- 
tensis spp. nov. 
Higgins, J.E. The pineapple in Hawaii. Hawaii Agr. Exp. Sta. Bull. 
36: 1-34. f. I-15. 21 Je 1912. 
Hill, E. J. Additions to the fern flora of Indiana. Fern Bull. 20: 25, 
26. Au 1912. 
Hill, E. J. The rock relations of the cliff-brakes. Fern Bull. 20: I-5. 
Au 1912. 
Hori, S. A new leaf rust of peach. Phytopathology 2: 143-145. /l. 
23,14. AW 1912. 
Puccinia Pruni-persicae sp. nov. 
Howe, M. A. Reef-building and land-forming seaweeds. Proc. Acad. 
Nat. Sci. Philadelphia 54: 137, 138. Mr 1912. 
An abstract of an illustrated paper presented at the centenary anniversary 
meeting. Reprinted also in Bot. Jour. 2: 66. Au 1912. 
