Calesimri] xlii. anaoardiace^. 179 



woods and in bushy situations near streams ; fr. and -with young 

 foliage Dec. 1855. Bark officinal. Native name "Mucumbi." No. 4448. 

 A small tree ; in thickets near Sange ; fr. and foliage, but without fl., 

 June 1855. Native name " Pao Mucumbi." No. 4449. Near Sensala 

 Cangunho, with young foliage, 30 Sept., 1855. Native name " Pao 

 Mucumbi." No. 4461. 



The next following No. has immature foliage without flowers 

 or fruit, and also bears the native name " Pao Mucumbi " ; but it 

 differs from the rest by longer (16 in.) 5-6-jugate foliage and 

 leaflets ranging up to 7 in. long by 3j in. wide : — 



GoLUNGO Alto. — A small tree, 15 ft. high, resembling in habit a 

 species of Spondias ; wood white, tough, usually emj^loyed by the 

 negroes for the construction of their dwellings ; plants multij^hed with 

 the greatest ease ; occurs everywhere by native villages, and in rather 

 moist forests ; Sange, July 1855. No. 4452. 



Mucumbi-bark is the product of a tree of moderate height, with the 

 habit of an ash-tree, a native of virgin forests in the hilly districts of 

 Angola ; this tree is also met with cultivated in the vicinity of the 

 villages of the natives, who employ a decoction of its bark as a remedy 

 for scorbutic ulcers of the mouth and other troubles caused by scurvy. 

 (See Welwitsch, Synopse, p. 30, n. 72.) 



A species of Lomnthus, Welw. Herb. No. 484G, grows as a parasite 

 upon Mucumbi. 



4. C. Welwitschii Hiern, sp. n. 



A tree, 25 to 50 ft. high, with a broad leafy head ; trunk 

 straight, bare below, glabrous except the very young parts the 

 base of the petioles and the dioscious inflorescence ; branches 

 erect-patent, leafy at the apex ; leaves usually trijugate and 

 impari-pinnate, occasionally pari-pinnate by abortion or bijugate, 

 12 to 20 in. long (including a petiole of 3 to 5 in.) ; leaflets ellip- 

 tical, narrowly and mostly abruptly sub-obtu.sely long-acuminate 

 at the apex, more or less narrowed at the base, rigidly mem- 

 branous, entire (or somewhat sinuous or undulate), glabrate, 

 obscurely herbaceous-green and without gloss above, paler and 

 rather glossy beneath, with 7 to 10 .slender lateral veins on each 

 side of the midrib, the lateral leaflets 3 to 7:| in. long by 1^ to 

 2i in. broad on petiolule of ^ to ^ in. long, the terminal leaflet 

 4 to 6| in. long by 1| to 3| in. broad on petiolule of 1| to 2| in. 

 long. Male inflorescence more or less scattered with small stellate 

 or subsquamous deciduous ferruginotts hairs, in the vipper axils or 

 lateral near the apex of the branches, 8 to 11 in. long, branched 

 in a pyramidal manner ; peduncles and primary pedicels flat- 

 dilated, furrowed, yellowish ; ultimate pedicels thyrsoid, about as 

 long as the flowers; flowers glabrate, yellowish, about J^- in. long; 

 calyx small, 4-cleft half way down ; lobes ovate, rounded ; petals 4, 

 ovate, obtuse, twice as long as the calyx, imbricate in aestivation, 

 alternate with the calyx-lobes, patently inflexed during full- 

 flowering ; stamens 8 (occasionally by abortion 6 or 7), inserted 

 with the petals at the outer base of the octagonal disk, opposite 

 to the 4 calyx-lobes and to the 4 petals, longer than the petals 

 (according to Welwitsch); filaments flattened at the base, and 



