198 
specimens of D. composita, Pringle non Hemsl., were issued as 
was pointed out by Dr. Hemsley in 1885 (Biol. Centr. Amer, 
Bot. vol. ii. p. 3 i 
8, 
a synonym of D. Dugesii. Whether Galeotti n. 5461 6 may 
_elsewhere than at Kew include material of a species other than 
D. macrostachya, Benth., is a point to which attention may 
of Bourgeau n. 1488, collected at Cordova, Mexico, on 
December, 1865. The specimen of Bourgeau nm: 1488: in the 
suggestion, though that author has not noted that the specimen 
md . . e ( . 
Centr. Amer. Bot. vol. ii. p. 359) and that, if his judgment 
be justified, this name should be regarded as an additional 
synonym of D. macrostachya, Benth. 
887. Dioscorea Carionis, Prain et Burkill [Dioscoreaceae | ; 
species D. densiflorae, Hemsl., et D. albicawh, Uline proxima ; 
ab illa bracteis 2-3-plo brevioribus ab hac floribus maris 
pedicellatis apte distinguenda. 
rba plus minusve puberula; caulis sinistrorsum volubilis, 
siccitate brunnescens. /olia ovato-cordata vel subcordata, acute 
acuminata, membranacea, 7—9-nervia, nervis externis simpliciter 
fureatis, 7-5 cm. longa, 5:5 cm. lata, subtus secus nervos 
puberula; petiolus supra canaliculatus, 35 cm Ce 
puberulus. Flores maris in racemis axillaribus : solitariis 
cibus usque ad 20 cm. longis dispositi; singuli inter se 
mm. longis suffulti; 
ta, 3-4 mm. longa, 
: . s duplo breviora ; 
suborbiculares, extrorsae ; 
filamentis. sesquilongiora fertilibusque 
inserta. Flores foemenet ignoti. 
Cenrrat Amerrca. Guatemala: S. Martin Zaratepequez ; 
Feb. 1878, Bernoulli § Cario 848. : 
an opportunity of studying 
esy of Professor Fischer de 
Waldheim, Petrograd, is a member of the sect 
line, agreeing with D. densiflora Hemsl. (Biol. Centr. Amer. 
Vol. iii., p. 356) as regards its perianth and its pedicels, 
D. albicaulis, Uline (Engl. Bot. Jahrb. vol. xxii. p. 460) 28 
