578 INDEX Tro AMERICAN BOTANICAL LITERATURE 
Chodat, R. Polyga/aceae Schwackianae sive enumeratio Polvgalacea- 
rum acl. Schwacke in Brasilia lectarum. Bull. Herb. Boissier, II. 
4: 910-913. 31 Au Igo4. 
Chodat, R. & Hassler, E. Plantae Hasslerianae soit énumération des 
plantes récoltées au Paraguay. Bull. Herb. Boissier, II. 4: 548-563. 
31 My 1904; 688-693. 30 Je 1904; 824-839. 30 Jl 1904; 
879-909. 31 Au 1904. 
Includes new species in Mimosa (9), Piptadenia, Bauhinia, Cassia (3), Caesal- 
pinia, Sweetiopsis gen. nov., Lupinus, Tephrosia (3), Coursetia (2), Arachis (2), 
Desmodium, Galactia (2), Rynchosia and Eriosema (2). 
Chrysler, M. A. The development of the central cylinder of Araceae 
and Liliaceae. Bot. Gaz. 38: 161-184. p/. 72-75. 23 S 1904. 
Clearman, H. M. A geological situation in the lava flow, with refer- 
ence to the vegetation. Proc. Iowa Acad. Sci. 11: 65-68. 1904. 
Cockerell, T. D. A. The North American species of Aymenoxys. 
Bull. Torrey Club, 31: 461-509. p/. 20-23. 4 O 1904. 
Includes 4 new species, and many new subspecies and new names. 
Coker, W. C. On the spores of certain Coniferae. Bot. Gaz. 38: 
206-213. f. 1-24. 23S 1904. 
Coulter, S. & Dorner, H. B. A key to the genera of the forest trees 
of Indiana, based chiefly upon leaf characters. 1-11. Lafayette, 
Ind. 1904. 
Cratty, R. I. Flora of Emmet County, Iowa. Proc. Iowa Acad. Sci. 
II: 201-251. 1904. 
Dams, E. LZchinocactus denudatus Lk. et Otto. Monats. Kakteenk. 
14: 44,45. 15 Mr1goq. [lllust.] 
Dams, E. Mamillaria trichacantha K. Sch. Monats. Kakteenk. 14: 
45- 15 Mrigoq.  [Hllust.] 
Dams, E. Mamillaria Wrightii Eng. Monats. Kakteenk. 14: 6-1 
15 Ja 1904.  [Illust.] 
Davis, B. M. Studies on the plant cell. —I. Am. Nat. 38: 367- 
395. f. 7-7. 1 Aurgo4; —II. Am. Nat. 38: 421-469. f. 4-8: 
24 Au Igo4. 
Dennert, E. At the deathbed of Darwinism. 1-146. Burlingto? 
Iowa. 1904. 
Earle, F.S. Botany at the Cuban experiment station. Science, Il. 
20: 444, 445. 30S 1904. 
Fink, B. Two centuries of North American lichenology. Proc. rom 
Acad. Sci. 18: 11-38. 1904. 
With a portrait of Edward Tuckerman. 
