Dissotis] IjIv. melastomace.e. 367 



D. rotundifolia Triaiia in Trans. Linn. Soc. xxviii. p. 58 (Dec. 

 1871); Cogniaux in DC. Monogr. Phan. vii. p. 369 (1891). 



GoLUNGO Alto. — A little low undershrub, growing after the fashion 

 of Linncea horealis L. ; stems prostrate or creeping, rooting at the 

 nodes, very slender ; flowering branches erect ; flowers of a pretty 

 rose colour, large for the size of the plant ; anthers of a deep dull 

 yellow-orange colour. In the most elevated forests of Sobato 

 Quilombo-Quiacatubia, creeping amongst moss in shaded places ; fl. 

 and young fr. Feb. 1855. A slender form. No. 897. 



Seen also by Welwitsch in Prince's Island, at Papagaios, Sept. 

 1853, but there is not any specimen in the collection. 



7. D. angolensis Cogn. in DC. Monogr. Phan. vii. p. 371 (1891). 



HuiLLA. — In marshy, bushy pastures, by the streams of Ferrao da 

 Sola ; fl. beginning of May 1860. No. 913. An erect perennial 

 tomentellous herb, 2 to 3 ft. high ; flowers bright rose-purple and 

 sometimes pale violet -purple. In swampy meadows with dense grass 

 and low bushes, at the great lake of Ivantala ; fl. and fr. Feb. and 

 April 1860. No. 914. 



8. D. WelwitscMi Cogn. in DC. Monogr. Phan. vii. p. 371 (1891). 



HuiLLA. — Flowers briUiantly violet- purple. On elevated, wooded, 

 densely grassy declivities, along streams in Mon-o de Lopollo, abundant : 

 fl. Jan., young fr. April 1860. No. 917- An undershrub, 3 to 4 rarely 

 5 ft. high ; stems gregarious, erect, winged-tetragonal ; leaves ovate- 

 lanceolate, very bright green ; flowers paniculate, large, very handsome, 

 deep violet-purple. By streams in Serra de Lopollo, at an elevation 

 of 5200 feet ; fr. April 1860. Coll. Carp. 89 and 575. 



9. D. longicaudata Cogn. in DC. Monogr. Phan. vii. p. 373 (1891). 



HuiLLA. — A small slender tree. 15 to 20 ft. high ; leaves with 

 scattered adpressed hairs on the upper face ; calyx-teeth caducous. 

 In wooded thickets along streams in the most elevated parts of Morro. 

 (Serra) de Lopollo ; fl. and young fr. May 1860. No. 915. Arbores- 

 cent 10 to 15 ft. ; trunk 2 to 6 in. in circumference ; fr. Coll. Carp. 571. 



The following probably belongs to this species, though the cor- 

 responding specimens have not been found : — 



HuiLLA. — A shrub of 14 to 18 ft. or a slender little tree, evergreen, 

 with very handsome violet-purple flowers. In Morro de HuUla, at 

 5600 ft. alt.. May 1860. Coll. Carp. 73. 



10. D. Candolleana Cogn. in DC. Monogr.Phan. vii. p. 373(1891). 



PuNGO Andongo. — In damp meadows between Quitage and Condo. 

 occasionally ; fl. and \fr. March 1857. No. 904. A small, erect, 

 branched shrub, 3 to 4 ft. high. By the streams of Funda Quilombo : 

 fr. Dec. 1856. No. 904&. In marshy thickets by the river Muxillo : 

 fl. and fr. beginning of Dec. 1856. No. 904c. An erect shrub. 

 3 ft. high ; flowers not yet seen. In the elevated marshy parts of 

 the rocks of Pungo Andongo ; fr. end of Oct 1855. Coll. Carp. 573. 



11. D. crenulata Cogn. in DC. Monogr. Phan. vii. p. 376 (1891). 



HuiLLA. — An erect shrub, very much branched, 4 to 6 ft. high ; 

 primary stems springing in a caespitose manner from the rootstock : 

 branches and branchlets spreading. In damp thickets at the base of 

 Morro de Lopollo, not abundant ; fr. Dec. 1859 ; very few fl., May 



