62 LXX. RUBIACEZ (HIERN). [ Oldenlandia. 
diam., crowned with the persistent calyx-teeth, loculicidally dehiscing 
from the apex. Seeds minute, angular.—Hedyotis lancifolia, Schum. 
Beskr. Guin. Pl. p. 72 ; Hedyotis, No. 2, Thoms. in Speke Journ., App. 
p- 6386; Oldenlandia (sp.), Oliv. in Trans. Linn. Soc. Lond. xxix. 
p. 84 
Upper Guinea. Guinea, moist places in the valley of Aquapim, Schu- 
macher ; Niger Expedition, at Aboh and Nupe, in moist places, Barter’ By the 
Bagroo River, Mann! 
North Central. Monbuttu Land, Schweinfurth! 
Nile Land. Bogs at Madi, Speke and Grant! 
24. O. corymbosa, Linn. Sp. Pl. edit. i. p. 119 (1753). An 
erect ascending or diffuse annual, smooth and glabrous or nearly so, 
branched, ranging up to a foot in height. Branches tetragonal, 
usually smooth. Leaves linear or nearly so, acute or apiculate, nar- 
rowed to the sessile base, usually glaucous or paler beneath, the 
longer ones 2-14 in. or in some forms rather larger; stipules truncate, 
shortly sheathing, sub-3-setose. Flowers tetramerous, white, x'5 in. 
long, 2-5 together in axillary and terminal umbellate corymbs usually 
rather shorter than the leaves or rarely solitary ; pedicels ;4,—}in. long ; 
peduncles ranging up to }in. Calyx about equalling the corolla-tube; 
teeth lanceolate, as long as the tube. Corolla campanulate or subrotate; 
throat pubescent or nearly glabrous ; anthers included or subexserted. 
Fruit subglobose, 5 in. diam., subdidymous, crowned by the calyx- 
limb, at length bursting loculicidally at the apex. Seeds angular. 
—Hedyotis corymbosa, Vatke in Oesterr. Bot. Zeitschr. xxv. p. 232; 
O. herbacea, DC. Prodr. iv. p. 425; (? H. herbacea L.), H. (Kohau- 
tia ?) pusilla, Hochst. in Hb. Schimp. Abyss. iii. n. 1522; A. Rich. Fl. 
Abyss. i. 362; ? H. sperguloides and H. trichopoda, A. Rich. 1. c. p- 
361, 360; ? H. longifolia, Schum. and Thonn. Beskr. Guin. Pl. p. 70, 
n. 2, i.e. 0. longifolia, DC. Prodr. iv. p. 426; Oldenlandia, sp. Unio 
Itin. in Hb. Schimp. i. n. 68 (1840). 
Upper Guinea. Senegambia; Accra, G. Don! by the Quorra, Th. Vogel! 
Fernando Po, Milne! Th. Vogel! St. Thomas, G. Don! 
Nile Land. Abyssinia, Schimper! Djurland, Schweinfurth! Bongo-land, 
Schweinfurth ! 
Lower Guinea. Congo, Burton !, Chr. Smith! 
Mozamb. Distr. R. Sena, in sandy places, Peters ; between Tette and the sea 
coast, at Marraro, 27th March, 1860, Kirk/; ? Kongone mouth of the Zambesi, 
Kirk! ; ? Zanzibar Island, Hildebrandt n. 1008 ex Vatke in Oesterr. Bot. Zeitsch. 
xxv. p. 232 (1875), under name of Hedyotis (Oldenlandia) herbacea, Blume. 
A common tropical weed, 
25. O. capensis, Linn. fil. Suppl. Pl. 127 (1781). A puberulous 
or somewhat scabrous much branched decumbent or diffuse leafy 
annual, 4-9 in. high or more. Branches tetragonal, spreading in all 
directions. Leaves narrowly linear, acute, sessile, 4-] in. long ; 
margins more or less revolute; stipules truncate or shortly ovate, 
sheathing, 2-3-setose. Flowers tetramerous, 7',—, in. long. Pedun- 
cles numerous, rarely only 2 together, axillary and terminal, clustered, 
ee a Tee 
