( 92 ) 
^84 
Cyclanthera (?) Rusbyi, spec. nova. Caulis paulo ramosus, 
sulcatus, puberulus. Petiolus 8-10 mm. longus. Folia sub- 
membranacea, ovata, 8-IO cm. longa, 4-6 cm. lata, acuta vel 
obtusa, supra papillosa, subtus pubescentia, margine remote 
denticulata, sinus basilaris late rotundatus, Cirrhi bifidi, gra- 
ciles, elongati. Pedunculus communis 1-3 cm. longus, mul- 
tiflorus. Pedicelli 2 mm. longi. Corolla virescens, segmentis 
triangularibus, acutis, I mm. longis. Pedunculus fructiferus 
crassis, 1-2 cm. longus, striatus. Fructus oblique ovoideusq- 
5 cm. longus, 2 cm crassus. Aculei numerosi, compressi, 1 
mm. longi. Yungas, 6,000 ft. (2589) ; Unduavi, 8,000 ft. 
(20i(i8). If correctly referred to this genus, appears nearest 
related to C. subinermis, Cogn. 
Elaterium Amazonicum, Mart, in Cogn. Diag. Cucurb. ii. 55. 
Yungas, 6,000 ft. ( 2070 ). 
ECHINOCYSTIS MACROCARPUS, spec. nova. Caulis sulcatus, 
sparse villoso-hirsutus. Petiolus gracilis, sulcatus, longe 
villoso-hirsutus. Folia suborbicularia, 10-15 cm. lata, 5-loba, 
utrinque puberula, lobis acutis vel acuminatis, sinus basillaris 
rotundus, 2-3 cm. latis. Pedunculus communis masculus gra¬ 
cilis, sparse villosus, 10-15 cm. longus. Inflorascentia mas- 
cula paniculata. Cirrhi ramosi elongati. Fructus sessilis, 5- 
6 cm. longus, 2 cm. latus, horride aculeatus. Aculei inaequa- 
les, majores 2 cm. longi. Rostrum conicum, acuminatum, 
sparse aculeatum, tomentosum. Yungas, 6,000 ft. (2060). 
Apparently nearest E. longispina, Cogn. 
Alsomitra Brasiliensis, Cogn. in Mart. FI. Bras. Cucurb. 115. 
Junction of Rivers Beni and Madre de Dios. (547). 
BEGONIACE^E. 
Begonia pleiopetala , A. D.C. Ann. Sci. Nat. (4) xi. 121. Un¬ 
duavi, 8,000 ft. (682). 
Begonia Weddelliana , A. D.C. loc. cit ex. descrip. Yungas, 
6,000 ft. (679). 
Begonia , related to the preceding. Ingenio del Oro, 10,000 ft. 
(681). 
Begonia , apparently allied to B. Boliviensis, A. D.C. Yungas, 
6,000 ft. (683). 
Begonia fagopyroides , Kunth et Bouche, Ind. Hort. Berl. 1848. 
Yungas, 4,000 ft. (686). 
