137 
(125) 
An Enumeration of the Plants Collected by Dr. H. H. Rusby in 
South America, 1885-1886—XXIII. 
(Continued from VoL XIX., page 374.) 
Vacciniace^:. 
Psammisia leucostoma, Benth.; Meisn. in Mart. FI. Bras. vii. 127. 
Mapiri, 2,500 ft. (2038). The same as Spruce, No. 2465 from 
Brazil. 
Psammisia paiicijlora , Griseb. in PL Lechl. Exc. 2386. Mapiri, 
5,000 ft. (2037). The same as Lechler, 2386 from Peru. This 
may be a Macleania as indicated by Bentham and Hooker, Gen. 
PI. ii. 567. 
Eurygania elliptica (R. & P.) ( Thibaudia elliptica , R. & P. FI. 
Per. iv. t. 384, f. B). Mapiri, 2,500 ft. (2219); Yungas, 4,000 
ft. (2034). 
Ceratostemma Hookeri, Britton. ( Thibaudia elliptica , Hook. Icon. 
PI. t. 108, not R. & P.). Mapiri, 10,000 ft. (2036). 
Ceratostemma Mandoni, n. sp. Sect. Euceratostemma. Ramis 
glabris, striatis; foliis breviter petiolatis, integris, ovatis veJ 
ovato-oblongis, approximate, concoloribus, supra glabris, 
subter parce nigro-punctatis, utriusque obtusis, 1-1.5 cm. 
longis, 5-8 mm. latis, 5-venosis; pedunculis, calycibusque to- 
mentosis; floribus terminalibus, solitariis geminibusve, 3 cm. 
longis; calyx 5-fidus, lobi lanceolati, acuti; corolla extus 
puberulenta, cylindracea, apice 5-Ada, calyce 4-5-plo longiora. 
Mapiri, 10,000 ft. (2632). Same as Mandon’s 748, and prob¬ 
ably the same as Lechler’s 2693 and 2585 from Gatchapota, Peru, 
Herb. Kew. 
Ceratostemma serrata, n. sp. Sect. Siphonandra. Ramulis 
rugosulis, glabris; foliis breviter petiolatis, ovato-oblongis, 
utrinque pallidis, subter parce nigro-punctatis, apice acutis, basi 
rotundatis, margine remote denticulatis, 5-8 cm. longis, 3-4 
cm. latis; floribus axillaribus, umbellatis, 3-4 cm. longis; caly- 
