Index to American botanical literature 173 



Griffiths, D, Illustrated studies in the genus Opintia — I. Ann. 

 Rep. Missouri Bot. Gard. 19: 259-272.//. 21-28. 1908. 



Includes 14 new species from southwestern U. S, and Mexico, 



<jurke, M. Zwei neue Kakteen aus Westindien. Monats. Kakteenk. 

 18 : i79-i8i, 15 D 1908. 



Rhipsalis Harrisii from Jamaica, and O punt ia guanic ana from Porto Rico. 



Handy, L. H. A second station for Fissidens Closteri. Bryologist 

 12 : 9. [D] 1908, 



Harger, E, B. Hedeoma hispida in Connecticut. Rhodora 10: 208. 

 17 D 1908. 



Hart, J. H. Studies in Cacao disease. Agr. Soc. Trinidad. Soc. 

 Paper 343. 1-6. 30 D 1908. 



Harvey, N. A. The study of types in the presentation of botany and 

 zoology in secondary schools. Rep. Michigan Acad. Sci. 10: 145- 

 152. 1908. 



Heller, A. A. Is Spiraea pyramidata 2, hybrid? Muhlenbergia 4; 81, 

 12 D 190S. 



Heller, A. A. The generic name Centauriurn. Muhlenbergia 4 : 85, 

 %(), 12 D 1908, 



Hodson, E, R, A new characteristic of Engelmann spruce. Bot. Gaz, 

 46 : 386. 16 N 1908. 



Holm, T. Studies in the Gramineae — IX. The Gramineae of the 

 alpine region of the Rocky Mountains in Colorado. Bot. Gaz. 46: 

 422-444. pi. JO, 30 D 1908. 



flolzinger, J. M. A plea against abbreviations. Bryologist 12 : 9, 10. 

 [D] 1908. 



Hopkins, C. G. Chemical principles of soil classification. Science II. 

 28: 857-868. 18 D 1908. 



Hus, H. An ecological cross-section of the Mississippi River in the re- 

 gion of St. Louis, Missouri, Ann. Rep. Missouri Bot. Gard. 19 : 

 127-258.//. 10-20. 1908. 



Janczewski, E. Pylniki jatowe w porzeczkach. — Sur les antheres 

 steriles des groseilliers. Bull. Acad. Sci. Cracovie 1908; 587- 

 597. j^/. 4. 1908. 



Jeffrey, E, C. Traumatic ray-tracheids in Cunninghamia sinensis. 

 Ann. Bot. 22 : 593-602.//. 31. O 1908. 



Kildahl, N. J. Affinities of Phyllocladus. Bot. Gaz. 46: 464, 465. 



30 D 190S. 

 Kildahl, N. J. The morphology oi Phyllocladus alpinus. Bot. Gaz. 



46: 339-348.// 20-22. 16 N 1908. 



