504 LXIX. RUBIACEF. [Lardavel 
oblong, rather shorter than the filaments; filaments inserted 
between the corolla-lobes ; style exserted, about equalling the 
stamens, puberulous near the apex ; stigma hemispherical-capitate, 
ciliolate ; ovary 2-celled ; ovules solitary, attached at the middle ; 
disk rather fleshy, glabrous, a little elevated, annular. 
Huvitzia.—In neglected fields near Lopollo, not yet seen in secondary 
thickets ; fl. Jan. 1860. No. 3238. In moist pastures near Lopollo ; 
fl. 10 Jan. 1860. No. 3239. In bushy places after clearing for 
cultivation and afterwards neglected, near Humpata ; fl. beginning of 
April 1860. No. 3230. 
3. T. ocymoides. 
Spermacoce ocymoides Burm. FI. Ind. p. 34, t. 13, fig. 1 (1768). 
S. ramisparsa Pohl ex DC., ic. p. 560; Hiern, J.c., p. 238. 
Sierra Leone.—Fl. and fr. Sept. 1853. No. 3248. On herbaceous 
declivities amongst low bushes, above Freetown, very abundant; fl. 
and fr. Sept. 1853. No. 3249. 
4. T. scabra, 
Diodia scabra Schum. & Thonn. in Dansk. Vidensk. Selskr. iii. 
p. 96 (1828). Spermacoce Ruellice DC. Prodr. iv. p. 554 (1830); 
Hiern, i.c., p. 238. Borreria scabra K. Schum. in Engl. Pfl. Ost-Afr. 
©. p. 394 (1895). 
Srerra Leone.—In hilly, ferruginous-muddy places, among low 
herbs, above Freetown ; fi. Sept. 1853. A small plant with rather 
narrower corolla than usual. No. 3240. 
GoLtunco Atto.—In bushy pastures flooded in summer, near 
Camilungo, rather scarce ; fl. and fr. April 1855. No. 3234. A weak, 
erect or ascending, annual herb, with white flowers, elongated style, 
capitate stigma, and 2-celled, 2-valved capsule. In rather poor 
wooded meadows, near Ponte de Felix Simoes; fl. and fr. May 
1855. The flowers occasionally were almost bilabiately divided. 
No. 3235. A herb, 1 to 13 ft. high, scattered throughout with white 
hairs; stem erect, turning purple; flowers white, very fugaceous ; 
calyx investing the ovary, the limb 4-cleft with two opposite lobes. 
almost double the other two in length and breadth. On elevated, 
sparingly grassy slopes among the mountains of Quilombo-Quiacatubia ; 
4. middle of April 1855. No. 3241. 
AmBaca.—An annual, divaricately branched herb, with purple, 
shaggy stem and branches, and white flowers. Among plantations of 
Manihot utilissima, between Halo and Zamba ; fl. and fr. Oct. 1856. 
No. 3237. 
5. T. arvensis Hiern sp. n. 
An erect, scabrid, hispid-hirsute, annual herb, 4 to 8 in. high, 
simple or loosely branched; hairs whitish, more or less spreading, 
thicker towards the base, often arising from a minutely tubercular 
or scaly base ; internodes equalling or shorter than the leaves ; 
leaves narrowly linear-elliptical, narrowed gradually at both 
ends, acute and apiculate at the apex, sessile, scabrid, hairy on 
both faces, slightly yellowish-green above, grey-green beneath, 
1 to 14 in. long by 4 to % in. broad, sessile; margin rough, 
revolute, uni-nerved ; stipules shortly adnate to the bases of the 
leaves, hairy outside, glabrous and shining inside, truncate, with 
