Adina] lxix. rubiace.e. 435 



narrowly lanceolate-elliptical, narrowed at both ends, 3 to 9 in. 

 long by g to 1| in. broad, resembling those of a willow. 



MosSAMKDKS. — A vast tree, 5i> ft. high or more, with the habit of 

 Nerlum Oleander L. ; wood hard, oily, very excellent : branches 

 erect-spreading ; leaves coriaceous, not milky. Called by the colonists 

 "Pao d'Oleo." On rocks at Bocca do Rio Bero : without either fl. or 

 fr., beginning of July 185!). No. 3028. 



According to a note of Welwitsch this species is known by the native 

 name of " Mohambo." 



2. MAMBOGA Blanco, Fl. Filipinas, edit. 1, p. 140 (1837). 

 Mitra(ji/na K'orthals, Obs. Naucl. Ind. p. 19 (1839), non 



Mitragyne Br. (1810) = Mitrasacme Labill. (1804). ^tephegyae 

 Korth. (1840 ?) ; Benth. & Hook. f. Gen. PI. ii. p. 31. 



1. M. stipulosa. 



NaucUa stqmlosa DC. Prodr. iv. p. 346 (1830). X. bracteosa 

 Welw. Synopse Explic. p. 48. n. 130 (1862). Mitragyne macro- 

 phylla Hiern in Oliv. Fl. Trop. Afr. iii. p. 41 ; Ficalbo, PI. Uteis, 

 p. 193 (1884). M. stipulosa O. Kuntze, Rev. Gen. PI. i. p. 289 

 (1891). Mitragyna maa'ophylla Haviland in Journ. Linn. Soc, 

 xxxiii. p. 72 (1897). 



GoLUNGO Alto. — An extensive tree, 40 to 50 ft. high ; wood good ; 

 branches patent ; leaves very large, ovate or obovate, coriaceous, 

 glossy ; stipules the largest seen by Welwitsch amongst Angolan 

 RubiaceEB ; bracts spathulate, pilose ; calyx shortly tubular, scarious, 

 truncate, with an entire margin ; capsule 10-ribbed, more or less 

 pentagonal, scarcely bursting at the base. At the banks of the river 

 Casaballa in Sobato de Bumba : fl.-bud and young fr. 22 Oct. 1855. 

 Native name '• Mungo." No. 3027. Bumba ; heads of fl.-buds 22 Oct. 

 1855. '■ Mungo," Coll. Carp. 632. 



Aerantlms Gnyonianm Reichenb. f. (Welw. Herb. No. 653), grew as 

 an epiphyte on the branches of this tree. This, one of the trees 

 called "Mungo,"' is much prized by the inhabitants of Golungo Alto 

 on account of the excellence of its wood, which is used for house- 

 building and furniture (see Welw., I.e.). The smaller leaves bear a 

 tolerably close resemblance to the foliage of .^forelia seiiegaletisis 

 A. Rich., a plant of tropical Africa north of the Equator. 



3. OUROUPARIA Aubl. PI. Guian. i. p. 177. t. 68 (1775). 

 Uncaria Schreb. Gen. i. p. 125 (1789); Benth. & Hook. f. 



Gen. PI. ii. p. 31. 



1. 0. africana Baill. in Bull. Soc. Linn. Par. i. p. 228 (1879). 



Cncaria africana G. Don, Gen. Syst. iii. p. 471 (1834); Hiern 

 in Oliv. Fl. Trop. Afr. iii. p. 41. Uruparia africana O. Kuntze, 

 Rev. Gen. PI. i. p. 301 (1891). 



Var. angolensis. 



Uncaria africana x&v. angolensis Haviland in Journ. Linn. Soc. 

 xxxiii. p. 76 (1897). 



An arborescent shrub, glabrous except the inflorescence; trunk 

 in some cases moi-e than 100 ft. long and 6 in. in the lower part, 

 climbing to a very great height and then hanging down ; 



