2 
collected by M. H. Pittier. As long ago as 1885 Sir J oseph D. 
Hooker published a good figure of “the fruit of . Tunu, in the 
place cited above, but he — it no name. In an article on trees 
that yield caoutchoue (Boletin de Agricultura, neg aio 8 (1899) 
num. 12, P. hes, M. Pittier ailides to this species as el hule macho, 
or mule tchouc, ‘which yields et dag in abundance an 
excellent auality: M. J. Poisson, to w we communicated the 
name we proposed giving to this x spi pallished (Bulletin du Muséum 
ad Histoire ye ‘unis 1900, and in the Revue des Cultures Coloniales, 
vi. (1900) p. 302) some farther catbcalins of this tree. But, as pointed 
fir rst to furn ew with satisfactory ‘evidence of C. Tunw being 
specifically distinct from C. elastica 
he name Castilloa markhamiana having been applied to two totally 
different plants, it is desirable to explai in its proper cn 
C. markhamiana, Collins (Report on Caoutchoue (1872) p. 12, t. 3), as 
Gen. Pl. iii. p i 
Aubl., and should bear the name Perebea may khamiane. Castilloa 
markhamiana, Markham (Peruvian Bark, p. 453), not of Collins, is 
C. elastica, Cerv., which ranges from Mexico and Honduras to 
Ecuador. In this wide area, extending through about 25 degrees 
copious eee material it “ not peeve to define varieties. Yet 
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Ptr 6 
reprint, p. 35, ju ot from the description and the Siccheae of 
Castilloa seen from Costa Rica, is not specifically different from 
C. elastica, though it is described as havi ing ‘foliis majoribus cras- 
sioribus subsessilibus vel brevissime petiolatis profundius cordatis 
magis abrupte acuminatis subtus dense fulvo-hispidis.’—-W, Borrina 
Hemstey. 
Race 1 and 2, portions of a branch bearing male inflorescences ; 3, piece of bark 
m the same to show the strigose hairs; 4, calyptrate bract (or bracts) which 
m ng i 
ng that the 
a single pistil (fruit) ; 13, = of different shapes; 14, embryo; 15, port 
cot gy and axis,— All ‘more or less talared except Att 3; 2, 9, 10, li, 12, 13, 
pf 
digg epee teoel 
