56 LXX. RUBIACEZ (HIERN). [ Oldentandia. 
sessile, 4-14 in. long; stipules 3-l-cuspidate. Flowers tetramerous, | 
2-1 in. long, subsessile and pedicellate, in terminal corymbose cymes. 
Calyx-teeth lanceolate-subulate, about equalling the tube. Corolla 
salver-shaped ; tube slender, several times the length of the calyx; 
limb small; lobes narrowly oval, subobtuse, 4 in. long. Capsule sub- 
globose, subdidymons, truncate and loculicidally splitting at the apex, 
base sub-turbinate. Seeds angular.—Kohautia ceespitosa, Schnizlein 
in Flora, xxv., Beibl. I. Nro. 10, p. 145 (1842), ex numero Kotsch. ; 
Kohautia Schimperi, Steud. et Hochst, in Hb. Schimp. Arab. n. (186 
and 358) 879 (1837); Hedyotis Schimperi, Presl in Drege Pl. Cap. 
Exsice., and Bot. Bem. p. 85 (1844) ; K. arabica, Hochst. in Hb. 
Schimp. Arab. ex. Boiss. Fl. Or. iii. 12; H. (sp. ?), Edgew. in Journ. 
Asiat. Soc. Beng. xvi. p. 1216 (1847). Cfr. O. retrorsa, Boiss. Fi. 
Or. iii. 12. 
Mile Land. Nubia, Soturba, Schweinfurth!; Chartum, Schweinfurth ! ; Abys- 
sinia, Hildebrandt! ; Nubia, Kotschy! Hor Tamanib, Red Sea, Lord! ; between 
Suakin and Berber, Schweinfurth ! 
Occurs also in Upper Egypt, Arabia, Sinai, Beloochistan and Scinde. 
8. O. obtusiloba, Hiern. Branched from the base, about a foot 
high, nearly glabrous. Branches quadrangular, dichotomous, sub- 
scabrous below. Leaves linear, pointed, sessile, 1-14 in. long, the 
uppermost ones smaller ; margins revolute ; stipules shortly connecting 
the leaf-bases, cuspidate or the upper ones bi-cuspidate, the cusp when 
solitary bifid. Flowers tetramerous, apparently purple, 4—% in. long; 
pedicellate, in trichotomous few flowered cymes; pedicels }—} in. long. 
Calyx 3+} in. long, glabrous ; lobes lanceolate, subobtuse, longer than 
the tube. Corolla-lobes oval, obtuse, 4 by } in.; tube funnel-shaped 
towards the apex. Stamens and style included. Capsule depresso- 
globose, somewhat compressed, } in. long, pallid, dehiscing loculici- 
ally. 
Mozamb. Distr. Zanguebar, Kingani, Kirk! ; Mozambique, Forbes! 
Can this species be O. Zanguebarie, Lour. Fl. Cochinch p. 78, n. 3 (1790) ; Hed- 
yotis Zanguebarie, Roem. and Schult. Syst. Veg. iii. p. 192, n. 10? 
9. O. senegalensis, Hiern. Erect annual, 1-3 feet high, branched 
from the base, slightly scabrous by minute tubercles on the stem, 
branches, leaves and flowers. Leaves narrowly lanceolate, acute, taper- 
ing to a sessile clasping base ; the longer ones 2-3 by 3-4 in. ; stipules 
bicuspidate or shortly setose from a truncate apex. Flowers tetramer- 
ous, slender, ?—4 in. long, white or purple, subsessile or pedicellate 0 
the branches of a paniculate cyme. Calyx qs} in. long in flower; 
teeth narrow, acute, about equalling the tube. Corolla salver-shaped ; 
tube slender, funnel-shaped at the top, several times the length of the 
calyx ; throat glabrous ; lobes }—} in. long, linear-lanceolate, acuminate- 
apiculate. Anthers included, linear. Fruit subglobose, } in. diameter, 
somewhat didymous, crowned by the subulate calyx-lobes, at length 
bursting loculicidally from the apex. Seeds angular.—Kohautia sene- 
galensis, Cham. et Schlecht. in Linnaea iy. p. 156 (1829); Endl- 
Atakta Bot. t, 23 (1833); Knoaia senegalensis, Reichenb.! in Sieb. 
