CONTRIBUTIONS FROM THE UNITED STATES 

 NATIONAL HERBARIUM 



Volume 29 



Systematic Plant Studies. Title page and table of contents. Pages i-vi. 15 



November 1957. 

 Part 3. "The American Species of Hymenophy Hum, Section Sphaerocionium" 



by C.V.Morton. Pages i-viii+139-201. 16 April 1947. 

 Part 4. "The Awnless Annual Species of Muhlenbergia ,'" by Jason R. Swallen. 



Pages i-ii+203-208. 24 November 1947. 

 Part 5. "A Revision of Macrocarpaea , a Neotropical Genus of Shrubby 



Gentians," by Joseph Ewan. Pages i— vii+209— 249, plates 1—5. 23 August 



1948. 

 Part 6. "New Grasses from Honduras, Colombia, Venezuela, Ecuador, Bolivia, 



and Brazil," by Jason R. Swallen. Pages i—iii+25 1—276. 18 February 1949. 

 Part 7. "Studies in the Bromeliaceae, XV," by Lyman B. Smith. Pages i- 



vii+277-316, figures 2-36. 28 December 1949. 

 Part 8. "Studies of South American Plants, XII," by A. C. Smith. Pages i- 



viii+3 17-393. 23 January 1950. 

 Part 9. "New Grasses from Mexico, Central America, and Surinam," by Jason 



R. Swallen. Pages i-v+395-428. 7 March 1950. 

 Part 10. "Studies in the Bromeliaceae, XVI," by Lyman B. Smith. Pages i- 



viii+429-520, figures 37-76. 20 June 1951. 

 Part 11. "Studies in the Bromeliaceae, XVII," by Lyman B. Smith. Pages 



i-vi+521-543, figures 77-94. 19 February 1954. 

 Part 12. "Notes on Some Brazilian and Other Leguminosae," by Arturo 



Burkhart. Pages 545-551 . 15 November 1957. 



Volume 30 



Studies of Pacific Island Plants. Title page and table of contents. Pages i-v. 15 



November 1957. 

 Part 1. "A Botanical Bibhography of the Islands of the Pacific," by Elmer D. 



Merrill. Pages 1-322. "A Subject Index to Elmer D. Merrill's A Botanical 



Bibliography of the Islands of the Pacific,"' by Egbert H. Walker. Pages 



323-404. 25 February 1947. 

 Part 2. "Observations on the Grass Flora of Certain Pacific Islands," by L. T. 



Burcham. Pages i-vii+405-447, 4 figures, 7 plates. 10 March 1948. 



15 



