56 Lxx. RUBiACEiE (hiern). [Oldenlandla, 



sessile, 3-!^ in. long ; stipules 3-1 -cuspidate. Flowers tetramerous, 

 g-J in. long, subsessile and pedicellate, in terminal corymbose cymes. 

 Calyx-teeth lanceolate-subulate, about equalling the tube. Corolla 

 salver-shaped ; tube slender, several tin)es the length of the calyx ; 

 limb small ; lobes narrowly oval, subobtuse, ^ in. long. Capsule sub- 

 globose, subdidymous, truncate and loculicidally splitting at the apex, 

 base sub-turbinate. Seeds angular. — Kohautia ccespitosa^ Schnizlein 

 in Flora, xxv , Beibl. I. Nro. 10, p. 145 (1842), ex numero Kotsch. ; 

 KohaiUia Scliimperi^ Steud. et Hochst, in Hb. Schimp. Arab. n. (186 

 and 858) 879 (1837) ; Hedi/oUs Schimperi, Presl in Drege PI. Cap. 

 Exsicc, and Bot. Bern. p. 85 (1844) ; K. arahica, Hochst. in Hb. 

 Schimp. Arab. ex. Boiss. Fl. Or. iii. 12 ; H. (sp. ?), Edgew. in Journ. 

 Asiat. Soc. Bang. xvi. p. 1216 (1847). Cfr. 0. retrorsa, Boiss. Fl. 

 Or. iii. 12. 



irile Iiand. 1^ nhisi, Sotnrhn,, Sekwei7ifurik! ; Chartura, Schweinfurth / ; Abys- 

 sinia, HildrhrMidi ! ; Nul>ia. 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, 1-1^ 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, ^-§ in. long, 

 pedicellate, in trichotomous few flowered cymes ; pedicels \-^ in. long. 

 Calyx ^-\ in. long, glabrous ; lobes lanceolate, subobtuse, longer than 

 the tube. Corolla-lobes oval, obtuse, ^ by ^ in. ; tube funnel-shaped 

 towards the apex. Stamens and style included. Capsule depresso- 

 globose, somewhat compressed, ^ in. long, pallid, dehiscing loculici- 

 dally. 



ItCozamb. X>istr. Zanguebar, Kingani, Kirk! ; Mozambique, Forbes! 

 Can this species be 0. Zanguebaria, Lour. Fl. Coehinch p. 78, n. 3 (1790) ; Htd- 

 yotis ZanguebarpB, Eoem. and Schult. Syst. Veg. iii. p. 192, n. 10? 



9. O. senegralensis, 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 |— ^ in. ; stipules 

 bi cuspidate or shortly setose from a truncate apex. Flowers tetramer- 

 ous, slender, |-|- in. long, white or purple, subsessile or pedicellate on 

 the branches of a paniculate cyme. Calyx -^^-^ 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- 

 ifalensisj Cham, et Schlecht. in Linnaea iv. p. 156 (1829) ; Endl. 

 Atakta Bot. t. 23 (1833) ; Kiioxia senegalemis, Reichenb. ! in Sieb. 



