90 INDEX TO AMERICAN BOTANICAL LITERATURE 
Grout. A. J. Brachyihecium notes. Bryologist 25: 13, 14. 27 
Ap 1922. 
Includes B. Holzingeri comb. nov. and B. oxycladon falcata forma nov. 
Gunderson, A. The evolution group at the Brooklyn Botanic 
Garden. Brooklyn Bot. Gard. Leaflets 10: 1-4. f. I-14 
Je 1922. 
Guthrie, J. D. Notes on the forests of Rumania. Jour. For. 
20: 513-520. My 1922. 
Hall, A. F. The forests of the Roosevelt-Sequoia National 
Park. Natural History 22: 169-174. Mr-—Ap 1922. [Ilust.] 
Hall, E.H. Sulphur and nitrogen content of alfalfa grown under 
various conditions. Bot. Gaz. 73: 401-411. My 1922. 
Harvey, R. B. Varietal differences in the resistance of cabbage 
and lettuce to low temperatures. Ecology 3: 134-139. 
fv I~6. 26 Ap 1922. 
Hazen, T.E. The phylogeny of the genus Brachiomonas. Bull. 
Torrey Club 49: 75-92. pl. 3, 4 + f. 49,50. 18 My 1922. 
Includes B. simplex sp. nov. 
Hazen, T.E. New British and American species of Lobomonas: 
a study in morphogenesis of motile algae. Bull. Torrey 
Club 49: 123-140. pl. 5,6. 15 Je 1922. 
Includes L. pentagonia and L. rostrata spp. nov. 
Hedgcock, G.G.,& Hahn,G.G. Two important pine cone rusts 
and their new cronartial stages. Phytopathology 12: 109- 
122. pl.5,6. 6Je 1922. 
Heimlich, L. F. Peloria in Linaria and other — Proc. 
Indiana Acad. Sci. 1921: 111-116. f. I-12. 1922 
Heimlich, L. F. Plants of White County basi ry, Proc. 
Indiana Acad. Sci. 1921: 117-119. 1922. 
Hitchcock, A. S. Grasses of British Guiana. Contr. U. S. 
Nat. Herb. 22: 439-514. pl. 53 + f.77-86, 1922. 
Hitchcock, A.S. A perennial species of teosinte. Jour. Washing: 
ton Acad. Sci. 12: 205-208. 19 Ap 1922. 
Euc @ perennis sp. nov. 
