446 LXIX, RUBIACES. [Oldentandia 
16. 0. stelioides K. Schum., é.c., p. 418. 
Huitia.—Flowers white. In rather poor pastures among short 
grass, near Lopollo ; fl. and fr. Dec. 1859. No. 5328. 
17. 0, lancifolia DC. Prodr. iv. p. £25 (1830) ; Hiern, Zc., p. 61. 
Pungo ANDONGO.—An annual little herb, with a filiform stem 
hanging down from the rocks, and white flowers. At the small 
cataracts near Tunda-Quilombo, within the presidium, sparingly ; 
fl. and fr. May 1857. No. 3059. In moist fields among crops of 
Ginguba de Cambamba (Voandzeia subterranea P. Thouars), only one 
specimen ; fl. and fr. Dec. 1856. No. 3060. 
Our specimens differ from the type by the flowers being more 
frequently not solitary in the axils. 
18. 0. corymbosa L. Sp. PL, ed. 1, p. 119 (1753); Hiern, J.c., p. 62. 
Sierra Leonse.—FI. and fr. beginning of Sept. 1853. A form with 
rather broad leaves. No. 3047. 
AmBriz.—A tender annual herb, with the habit of a Galium, sub- 
procumbent or with the stem and branches ascending ; flowers small, 
white. At the banks of the river Loge, near Quibango, in plantations 
of Manihot utilissima, and in neglected fields near Quibanga, abundant ; 
fl. and fr. Nov. 1853. No. 3044. 
Loanpa.—In the cultivated fields about the city ; fl. and fr. May 
1854. No. 3041. In stony hilly places by the sea near Morro da Cruz 
to the south of Loanda, and in cultivated places, not uncommon ; fl. 
and fr. 30 April 1854. No. 3042. Flowers white. In bushy places 
with short grass, near _Imbondeiro dos Lobos; fi. and fr. Jan. 1858. 
No. 3043. A form sometimes with solitary flowers. No. 3043). A 
tender, much-branched, annual, little herb, with narrow leaves and 
white flowers. In plantations of Manihot utilissima throughout the 
district ; fl. and fr. March to Sept. Cou. Carp. 635. 
GoLunco ALTo.—About the fazenda of Senhor Luiz Simées ; fl. and 
fr. A form with rather broad leaves. No. 3045. 
Puneo AnpoNnGO,—In moist pastures near the Condo cataract ; also: 
in gravelly and neglected fields throughout the preesidium ; fl. and fr. 
March 1857. No. 3046. 
Huitia.—Flowers white. In the thickets of Empalanca, flooded in 
the rainy season, with short grass ;. fl. and fr. beginning of April 1860. 
No. 3049. 
18. 0, capensis L. f. Suppl. Pl. p. 127 (1781) ; Hiern, Luc. 
Hviitita.—F lowers white. In fields neglected after cultivation, at 
Ferrdo da Sola, abundant ; fl, and fr. June 1859. No. 3050. 
Var. stagnina Hiern. 
A glabrous or setulose, simple or somewhat branched, annual 
herb, 1 to 14 in. high, erect or somewhat spreading ; stem and 
branches angular ; leaves opposite, linear, obtuse or apiculate at 
the apex, gradually narrowed to the sessile base, } to 3 in. long, 
spreading ; stipules shortly sheathing, very shortly or obsoletely 
setose ; flowers axillary, solitary ; peduncles shorter than the fruit, 
more or less spreading or reflexed ; calyx-teeth 4, subulate from a 
broad base, shorter than the ovary, persistent, ultimately spreading, 
not much enlarged on the fruit; fruit campanulate or somewhat 
turbinate, ;), in. long, glabrous or with a few scattered adpressed 
papille ; seeds numerous, angular. 
