INDEX TO AMERICAN BOTANICAL LITERATURE 207 
Hackel, E. Gramineae novae—VIII. Repert. Sp. Nov. ro: 165-174. 
5 D rort. 
Hasselbring, H. Types of Cuban tobacco. Bot. Gaz. 53: 113-126. 
pl. 4-10. 20 F 1912. 
Hedgcock, G. G. Winter-killing and smelter-injury in the forests of 
Montana. Torreya 12: 25-30: 15 F 191g. 
Heese, E. Uber gut wachsende und leicht bliihende Arten von Kak- 
teen. Monats. Kakteenk. 22: 1-3. 15 Ja 1912. 
Hubbard, F. T. Some panicums of Essex County, Massachusetts. 
Rhodora 14: 36-40. 1 F 1912. 
Johnston, J.R. The history and cause of the coconut bud-rot. U. S. 
Dept. Agr. Plant Ind. Bull. 228: 5-175. pl. 1-14 +f. I-10. 5 F 
1912. : : 
Kennedy, G. G. Quercus imbricaria Michx. in Massachusetts. Rho- 
dora 14: 34, 35. -1-F 1912. 
Linnell, M.B. The mallows of Ohio. Ohio Nat. 12: 465-468. 16 F 
1912. 
we tt2. 7. t-8 20 F I9I2. 
Petersen, H. E. Ceramium studies—I and II. Bot. Tidssk. 31: 97- 
120. pl. 1-5 + f. 1-6, IOI. | 
Petrak, F. Beitrage zur Kenntnis der mexikanischen und zentral- 
amerikanischen Cirsien, Bot. Tidssk. 31: 57-72. I9II. 
ier, H. New or noteworthy plants from Colombia and Central 
America—3. Contr. U. S. Nat. Herb. 13: 431-466 + i-viii. pl. 
75-96 + f. 57-91. 5 Ja 1912. 
‘ Includes descriptions of new species in Olmedia (2), Perebea (1), Naucleopsis (1), 
erculia (1), Clusia (1), Rheedia (3), Sideroxylon (2), Dipholis (1), and Mimusops (1). 
R Glimpses of the Great American Desert. Pop. Sci. Mo. 
_ 80: 209-235. f. I-17, Mr IQII. 
»L. Mamillaria melanocentra Pos. Monats. Kakteenk. 22: 3. 
15 Ja 1912, 
a Ascomycetes exs. fasc. 49. Ann. Myc. 10: 54-59. 1 F 1912. 
S @ new species in Patellea from California. 
md Tumamoca, a new genus of Cucurbitaceae. Contr. U. S. 
Nat. Herb, 16. 21. pl. 17. 13 F 1912. 
R 
ne J. q., & Standley, P. C. Report on a collection of plants from 
- Pinacate region of Sonora. Contr. U. S. Nat. Herb. 16: 5-20. 
Pl. 3-16 ey, Sg 13 F ror2, 
