2, Hevea microphylla Ule in Engler’s Bot. Jahrb. 35 (1905) 669, tab. 
1: j,k, 1,m; Ulein Kautschukgewinnung (Kolonialwirtsch. Kom. 
1905) (1905) 10; Huber in Bol. Mus. Goeldi 4 (1906) 634 pro parte 
[non accurate, sub Hevea minore|, 636; Pax in Engler’s Pflanzenr. 
4, 147 (1910) 125; Ducke in Arch. Instit. Biol. Veget. 2, no. 2 
(1935) 241 pro parte, tab. pag. 246, a-f, 247, a—b [non accurate, 
sub Hevea minore]; Ducke in Bol. Técn. Instit. Agron. Norte, no. 
10 (1946) 20 pro parte. 
Hevea microphylla Ule var. typica Pax in Engler’s Pflanzenr. 4, 
147 (1910) 126. 
Hevea microphylla Ule var. major Pax in Engler’s Pflanzenr. 4, 
127 (1910) 126. 
Brazit: Estado do Amazonas—Rio Negro. ““Inseln Xipard, Sao 
Joaquim. [Nom. vulg. =] seringa serapo. E. Ule 6023, February 1902 
(Herb. Kew).—‘“‘Inseln Xiparé, Sao Joaquim. [Nom. vulg. = ] carri- 
guda. E, Ule 6024, February 1902 (Typus Heveae microphyllae var. 
majoris non vidi). —‘“‘Inseln Xipari, Sao Joaquim. [Nom vulg. = ] 
tambaqui seringa.’’ E, Ule 6025. February 1902. (Typus pupiicatrus 
Herb. Kew).—‘‘ Barcellos.’’ 4. Ducke 7027.—‘“‘Insula Xiparé, prope 
Sao Joaquim... . silva profunde inundata. Arbores (3 ex.) parvae vel 
mediocres, trunco infra incrassato, flor pallide luteis. [Nom vulg. = ] 
seringa tambaqui vel seringa barriguda.’’ A. Ducke Herb. Jard. Bot. Rio 
23750, August 8, 1931 (Tororyeus Herb. Kew; U.S. Nat. Herb.). 
2. A NEW INTERPRETATION OF HEVEA NITIDA 
AND ITS VARIETY 
Hevea nitida Martius ex Mueller-Argoviensis in 
Martius FI]. Bras. 11, pt. 2 (1874) 301. 
Siphonia nitida Martius ex Mueller-Argoviensis loc. 
cit. 
Hevea viridis Huber in Bull. Soc. Bot. France 49 
(1902) 48; emend. in Bol. Mus. Goeldi 7 (1910) 2385. 
In his forthcoming ‘‘A Study of Hevea with its eco- 
nomic aspects in the Republic of Peru,’’ Dr. Russell J. 
Seibert reduces Hevea viridis to synonymy under A. 
nitida on the basis of new characters which he has found 
[9 ] 
