represent two distinct entities. It is also evident from a 
comparison of Ducke 7027 and Ducke HJ BR 23750 
with the type material that the two Ducke collections 
represent HI. microphylla. This being so, the flowers 
which Huber described in his amplified description of 
Hevea minor (Bol. Mus. Goeldi 4 (1906) 684-635) are 
actually flowers of HZ. microphylla. Hevea minor is still 
known only from the type collection which is in fruit. 
It is unfortunate that the misinterpretation of these 
two concepts has become so firmly established in Hevea 
literature. The following observations are presented with 
the hope that they may lead towards clarification. 
The seed and capsule of the type of Hevea minor were 
very accurately illustrated by Hemsley in conjunction 
with his original description of the species (Hooker’s 
Icon. Pl. (1899) t. 2572). Perfectly complanate-ovoid 
with two very conspicuous flat surfaces ventrally and a 
very pronounced ridge dorsally, the seed measures 15 
mm. long, 9 mm. thick, 11-12 mm. wide. The valves 
of the capsule, which have an unusually thick ligneous 
endocarp—nearly 8 mm. thick—in relation to their over- 
all size are only slightly contorted due to dehiscence; 
they measure 26 mm. long, 11 mm. deep. The epicarp 
of the capsule is apparently extremely thin in life. The 
capsule itself is perfectly globose with very little trace 
of a trisulcate condition, is not apically pointed, and 
measures about 25 mm. long and 25 mm. in diameter. 
It is borne ona slender peduncle about 4 cm. in length. 
Similarly, an adequate description and a clear illustra- 
tion of the critical structures of Hevea microphylla are 
available (Engler Bot. Jahrb. 85 (1905) 668, t. 1: k, 1). 
The seed is rather large, measuring, according to the 
type description, 20-25 mm. long, 12—15 mm. thick, and 
would suggest, in many respects, the smaller seeds of 
Hevea Spruceana (Benth.) Muell.-Arg. It is peculiarly 
[3 ] 
