FLORAS OF THE WORLD 261 



Ernst, Adolf. Sertulum naiguatense ; notes on a small collection of alpine 

 plants from the summit of Naiguata, in the mountains of Caracas. Jour. Bot. 

 10: 261-264. 1872. 



List of 32 cellular and vascular plants collected on April 23, 1872, by James M. 

 Spence. — See also his Enumeracion de las plantas mas notables que fueron 

 observadas en la excursion a Naiguata. Repertorio Caraqueho 1: 141-146. 1879 

 (abstract in Bot. Centralbl. 1880(3) : 1179), for additional species collected by 

 himself on Aug. 25, 1879. 



Verzeichniss der auf der venezuelanischen inselgruppe Los Roques im 



September 1871 beobachteten pflanzen. Bot. Zeit. 30: 539-541. 1872. 



Geology, etc. ; annotated list of 26 vascular and cellular plants, with vernacular 

 names. The island group Los Roques lies about 20 miles north of Caracas. 



Freeman, W. G., and Williams, R. 0. The useful and ornamental plants of 

 Trinidad and Tobago. 2d ed., rev. Mem. Dept. Agr. Trinidad and Tobago no. 4. 

 192 p. 1928. (1st ed., 1927.) 



Alphabetical list of vernacular and scientific names, with cross-references; 

 brief descriptions, uses ; lists of genera classified by uses ; ornamental plants ; 

 systematic list of genera included. 



Gleason, H. A. Botanical results of the Tyler-Duida expedition. Bui. Torrey 

 Club 58: 277-506. pi. 17-15, map. 1931. (Reprinted with addition of index.) 



Itinerary (by G. H. H. Tate), geology (by C. B. Hitchcock), plant associa- 

 tions (by Tate) ; list of vascular plants and Musci, with data and general 

 range, by Gleason and numerous collaborators ; table of temperatures and 

 weather. Refers primarily to Mount Duida, in southern Venezuela near the 

 village of Esmeralda. Mount Duida previously had been entirely unknown 

 botanically ; 14 genera and nearly 200 species were new. 



and Killip, E. P. The flora of Mount Auyan-tepui, Venezuela. Brit- 



tonia 3: 141-204. 5 fig. 1939. 



Topography, geology, general features of flora ; annotated list of 244 vascular 

 plants (including 41 new species), collected [in 1937-38] by an expedition 

 from the American Museum of Natural History headed by G. H. H. Tate. 

 Mount Auyan-tepui, the flora of which was previously unknown, is a part of 

 the Roraima-Duida mountain complex, lying about 150 miles northwest of 

 Roraima and 250 miles northeast of Duida. 



Jahn, Alfredo. Los paramos venezolanos. Sus aspectos fisicos y su vegetacion. 

 Bol. Soc. Venezol. Cien. Nat. 1 : 93-127. 1931. 



General features of vegetation, list of paramos with altitudes, area, etc., 

 climate ; partial list of plants found at 3,500 to 4,000 meters altitude. 



Johnston, J. R. Flora of the islands of Margarita and Coche, Venezuela. Proc. 

 Boston Soc. Nat. Hist. 34: 163-312. pi. 23-30 (inch 2 maps). 1909. (Contrib. 

 Gray Herb. 37.) 



Botanical explorations, physiography, list of vascular plants of Margarita, 

 with synonymy, citation of exsiccatae, and general range ; annotated list of use- 

 ful plants, classified by uses ; general features of Coche, with list of vascular 

 plants : phytogeography, bibliography. 



Marshall, R. C. Trees of Trinidad and Tobago. 101, viii p. 20 pi 21.5 cm. 

 Trinidad, 1934. 



List of wild and cultivated trees, with vernacular names ; brief descriptive 

 flora of the native species. 



Sandwith, N. Y. Contributions to the flora of tropical America. XXXVII. 

 Notes on the flora of Tobago. Bui. Misc. Inform. Kew 1938: 353-384. 1938. 



General features of flora ; annotated partial list of vascular piants collected 

 by the an nor in 1937, including many additions to the published parts of 

 Williams and Cheesman, Flora of Trinidad and Tobago, and new records for the 

 island in of °r families. 



Williams, R. O. Notes on the plants of Patos. Bui. Misc. Inform. Kew 1924: 

 273-280. pi. 1-4. 1924. 



Brief sketch of vegetation, with especial reference to cacti, and list of 27 

 species of flowering plants. Patos is a small island 24 miles from Port-of- 

 Spain and 2% miles from the coast of Venezuela. 



and Cheesman, E. E. Flora of Trinidad and Tobago, v. 1, pt. 1-6 ; v. 2, 



pt. 1. 21.5 cm. Trinidad, 1928-34. 



Descriptive flora with keys, brief synonymy, general range. Not yet com- 

 pleted. E. E. Cheesman is coauthor of v. 2, pt. 1, and of part of v. 1, pt. 2. 



