INDEX TO AMERICAN BOTANICAL LITERATURE Sit 
Hollick, A. The Cretaceous flora of southern New York and New Eng- 
land. 1-219. p/. r-go. Washington, 1906. 
Monog. U. S. Geol. Surv., vol. 50. Includes 32 new species in 28 genera. 
Hus, H. T. A. Fasciation inOxa/is crenata and experimental produc- 
tion of fasciations. Ann. Rep. Missouri Bot. Gard. 17: 147-152. 
pl. 17-19. 6N 1906. 
MacKay, A. H. Botanical notes in Nova Scotia. Proc. & Trans. 
‘Nova. Scotian Inst. Sci. 11: 286-288. 6 Je 1906. 
MacKay, A. H. Phenological observations in Canada, 1903. Proc. 
& Trans. Nova Scotian Inst. Sci. 11: 271-285. 6 Je 1906. 
Magnus, P. Auftreten eines einheimischen Rostpilzes auf einer neuen 
aus Amerika eingefiihrten Wirtspflanze. Ber. Deuts. Bot. Gesells. 
24: 474-476. 28 N 1906. 
Purpus, A. Neue und seltene Gehélze aus dem Botanischen Garten zu 
Darmstadt. Mitteil. Deuts. Dendr. Gesells. 15: 30-42. 1906. 
[Ilust. ] 
Rolfe, R. A. Zpidendrum atrorubens. Orchid Rev. 14: 274- S 1906. 
Native of Mexico. 
Rolfe, R. A. Gomesa scandens. Orchid Rev. 14: 208. Jl 1906. 
Native of Brazil, 
Schrenk, H. von. Destruction of twigs by the bag worm and inci- 
dent evidence of growth pressure. Ann. Rep. Missouri Bot. Gard. 
17: 153-181. pl. 20-26 + f. 1-4 + Magr. 1, 2- 6 N 1906. 
Shimek, B. Notes on some Iowa plants. Proc. Davenport Acad. 
Sci. 10: 141-145. 1906. 
Smith, R. E. Tomato diseases in California. Calif. Agric. Exp. Sta. 
Bull. 175: 1-16, f. 7-8. Ja 1906. 
Spaulding, P. Studies on the lignin and cellulose of wood. Ann. 
Rep. Missouri Bot. Gard. 17: 41-58. pé- 2; 2: 31 Au 1906. 
Sprague, T. A. Pontederia cordata vat. lancifolia. Curt. Bot. Mag. 
V.2: pl. 8108. 1 D 1906. 
Native of temperate America. 
Stuckert, T. Distribucion geografica de la 
de las familias de las Compuestas. Ana 
III. 6: 303-309. 30 Je 1906. a 
Stuckert, T. Segunda contribucién al conocimiento de las — 
ceas argentinas. Anal. Mus. Nac. Buenos Aires III. 6: 409-553, 
555. 10 Drgo6. _ [lllust.] 
flora argentina. Géneros 
1. Mus. Nac. Buenos Aires 
