INDEX TO AMERICAN BOTANICAL LITERATURE 319 
Hitchcock, A. S. Poaceae. In Abrams, L. R., An illustrated 
flora of the Pacific States 1: 103-255. 1923. [lllust.] 
Includes Festuca Tracyt sp. nov., from California. 
Hoehne, F.C. Phytophysionomia do Estado de Matto-Grosso 
[Brazil]'e ligeiras notas a respeito da composig4o e distri- 
bucao de sua flora. Pp. 1-104. Sao Paulo, Brazil. 1923. 
[Illust.] : 
Hoehne, F. C. Contribuicdo ao conhecimento das Legumi- 
nosas da Rondonia [Brazil]. Comm. Linh. Telegr. Estrat. 
de Matto-Grosso ao Amazonas Annex. 5 Bot. 12: 1-28. 
pl. 778-192. 1922. ; 
es new. species in Inga (1), Calliandra (1), Mimosa (4), Macro- 
lobium (1), Cassia (4), Swartzia (2), Arachis (1), and Centrosema (1). 
Hoehne, F. C., & Pilger,R. Novidades da flora Mattogrossenes 
[Brazil] e do hervario da Commissao Rondon. Revista 
Mus. Paulista 13: 1245-1252. pl. 1, 2. 1923. 
Includes new species in Arthropogon (1), Capparis (1), Hirtella (2), and 
Antseta (1). 
Howe, M.A. Two new Lithothamnieae, calcareous Algae, from 
the lower Miocene of Trinidad, British West Indies. Proc. 
U.S. Nat. Mus. 627: 1-3. pl. r-4. 22 D 1922. 
Hubert, E. E. The red stain in the wood of boxelder [Acer 
Negundo L.]. Jour. Agr. Research 26: 447-458. pl. 1-3 + 
Je Fees 8D. 1923. 
Caused by Fusarium Negundi Sherbakoff, sp. nov. 
Hughes, D. K. Orthacne and Streptachne. Kew Bull. Misc. 
Inform. 1923: 301-303. 1923. [Illust.] 
Hutchinson, J. Affinity of Rhododendron micranthum. Kew 
Bull. Misc. Inform. 1923: 299-301. 3 
Suggested kinship with Ledum glandulosum Nutt. of western North Amer- 
ica. 
Hutchinson, J. Contributions towards a phylogenetic classi- 
fication of flowering plants. Kew Bull. Misc. Inform. 
1923: 65-89, 241-261. 1923. [Illust.] 
Ingham, W. Georgian mosses. Rev. Bryol. 48: 43. 1921. 
A short list of mosses from British Columbia. 
