32 BULLETIN 193, UNITED STATES NATIONAL MUSEUM 



New species of Opuntia from Arizona. By J. N. Rose. Pp. 401-402, 1 pi. 



May 10, 1909. 

 Echinocereus ba'ileyi, a new cactus from Oklahoma. By J. N. Rose. P. 403, 



2 pis. May 10, 1909. 

 Nopalea lutea, a new cactus from Guatemala. By J. N. Rose. P. 405, 1 pi. 



May 10, 1909. 

 Conzattia a new genus of Caesalpiniaceae. By J. N. Rose. Pp. 407-408, 1 pi. 



May 10, 1909. 

 Two new species of Acacia of the series Filicinae. By J. N. Rose. P. 409. 



May 10, 1909. 

 A new spleenwort from China. By William R. Maxon. P. 411, 1 pi. May 10, 1909. 

 10. The genus Cereus and its allies in North America. By N. L. Britton and J. N. 



Rose. Pp. 413-437, 16 pis. July 21, 1909. 

 Five new species of Crassulaceae from Mexico. By J. N. Rose. Pp. 439-440, S 



pis. July 21, 1909. 

 Supplement to the monograph of the North American Umbelliferae. By John 



M. Coulter and J. N. Rose. Pp. 441-451, 2 pis. July 21, 1909. 

 Apogamy in the maize plant. By G. N. Collins. Pp. 453-455, 2 pis. July 21, 1909. 



Volume 13 



Systematic and ecological investigations and bibliography. Pp. i-xvi (title, advertise- 

 ment, title page, note, preface, contents, and illustrations) ; pp. 1-466 (parts 1-12) ; 

 pp. 467-489 (index) ; 91 figs., 96 pis., 1 map, 1909-1912. 



Part 



1. Studies of tropical American ferns — No. 2. By William R. Maxon. Pp. 1-43, 



1 fig., 9 pis. June 30, 1909. 



2. Three new species of Echeveria from southern Mexico. By J. N. Rose and 



J. A. Purpus, Pp. 45-46, 5 pis. Feb. 21, 1910. 



3. The grasses of Alaska. By F. Lamson-Scribner and Elmer D. Merrill. Pp. 



47-92, 2 pis. June 8, 1910. 



4. New or noteworthy plants from Colombia and Central America — 2. By Henry 



Pittier. Pp. 93-132, 40 figs., 4 pis. June 11, 1910. 



5. Relationships of the ivory palms. By O, F, Cook. Pp. 133-141, 3 figs, June 



22, 1910. 



6. 1. The type localities of plants first described from New Mexico. By Paul 



C. Standley, Pp. 143-227. 2. A bibliography of New Mexican botany. By 

 Paul C, Standley. Pp. 229-246, 1 pi., 1 map. Oct, 31, 1910, 



7. A preliminary treatment of the genus Castilla. By Henry Pittier. Pp. 247-279, 10 



figs., 22 pis. Dec, 31, 1910. 



8. The genus Talitium in Mexico, By J, N. Rose and Paul C. Standley. Pp. 281-288, 



2 pis. Feb. 24, 1911. 



Two new species of Harper ella. By J. N. Rose. Pp. 289-290. Feb. 24, 1911. 



9. Studies of Mexican and Central American plants — No. 7. By J. N. Rose. 



Pp. 291-312, 1 fig., 22 pis. Apr. 11, 1911. 



10. The Gyrophoraceae of California. By Albert W, C T, Herre, Pp, 313-321, 



6 pis. June 8, 1911. 

 The plant life of Ellis, Great, Little, and Long Lakes in North Carolina, 



By William H. Brown, Pp, 323-341, 1 fig, June 8, 1911. 

 A revision of the subgenus Cyclobothra of the genus Calochortus. By Joseph H. 



Painter, Pp, 343-350, June 8, 1911, 

 A revision of the cichoriaceous genera Krigia, Cynthia, and Cymbia. By Paul 



C. Standley. Pp. 351-357, June 8, 1911. 

 New or noteworthy plants from the eastern United States. By Edward S. 



Steele. Pp. 359-374. June 8, 1911. 

 Two new shrubs from Lower California, By Paul C, Standley and E. A. 



Goldman, P, 375. June 8, 1911, 



11. The Allioniaceae of Mexico and Central America. By Paul C. Standley. 



Pp, 377-430, 4 pis. July 12, 1911. 



12. New or noteworthy plants from Colombia and Central America. By Hcnrj' 



Pittier. Pp. 431-466, 35 figs., 19 pis. Jan. 5, 1912. 



