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INDEX TO AMERICAN BOTANICAL LITERATURE 323 
Harger, E.B. An interesting locality. Rhodora 9: 62-64. 8 Ap 
1907. ees 
Hasselbring, H. Gravity as a form-stimulus in fungi. Bot. Gaz. 43: 
251-258. f. 7-3. 15 Ap1go7. 
Hassler, E. Plantae paraguarienses novae vel minus cognitae III. 
Bull. Herb. Boiss. II. 7: 353-368. 27 Ap 1907. __ [Illust. ] 
Includes new species in Mimosa (2), Machuerium, Talisia, Brosimum, Borreria, 
Relbunium, and Pavonia. 
Hausman, L. A. Some wood-destroying fungi. Am. Bot. 12: 51— 
56. Ap 1907. 7 ; 
Hawkins, I. A. The development of the sporangium of Eguisetum 
hyemale. Ohio Nat. 7: 122-128. pl. 9, ro. 18 Ap 1907. 
Hayek, H. von. Verdenaceae novae herbarii vindobonensis. III. Re- 
pert. Nov. Sp. 3: 273, 274. 31 Ja 1907. 
Four new species of Stachytarpheta from South and Central America. 
Hemsley, W. B. A substitute for coca. Kew Bull. Misc. Inf. 1907: 
136. Ap 1907. 
Herre, A. W.C. T. Lichen distribution in the Santa Cruz Peninsula, 
California. Bot. Gaz. 43: 267-273. 15 Ap 1907. 
Holm, T. Linnaeus. May 23, 1707—-January ro, 1778. Bot. Gaz. 
43: 336-340. 16 My 1907. _ [Illust.] 
Holm, T. New plants from arctic North America. Repert. Nov. Sp. 
3: 337, 338. 10 Mr 1907. 
New species in Arctophila, Dupontia, Glyceria, Draba, Lychnis, and Arnica. 
Holm, T. Ruellia and Dianthera : an anatomical study. Bot. Gaz. 
43: 308-329. p/. rr, 12 +f. 1-3. 16 My 1907. 
Hopkins, L.S. The fern floraof Ohio. Fern Bull. 15: 1-13. [Ap] 
Horton, F. B. Fern notes. Bull. Vt. Bot. Club 2: 34. Ap 1907. 
House, H..D. Corallorhiza maculata Rafinesque. Torreya 7: 78. 
House, H. D. Studies in the North American Convoloulaceae. III. 
Calycobolus, Bonamia, and Stylisma. Bull. Torrey Club 34: 143- 
149. 7 My 1907. : 
Includes Calycobolus Pringlei sp. nov. 
Jackson, A. B. Ciimacium americanum in decoration. Bryologist 
TO: 54. 2 My 1907. 
Johnston, E. L. Sage brush and cactus. Am. Bot. 12: 59-63: Ap 
1907. 
