334 DICOTYLEDONEJE. OSBECKIA , 
B. Folia oblonga vel lanceolata, subsessilia. 
41. O. hirsuta s ramis obscure tetragonis, setis patulis elongatis 
flexuosis densiuscule hirsutis ; foliis lanceolatis, acutis, minute serru- 
lato-ciliatis, utrinque densiuscule longeque setosis ; floribus subcapi- 
tatis; calyce longe sparseque stellato-setoso, lobis subulatis, tubum 
sequantibus. 
Rami satis graciles. Petiolus 2-4 mm. longus. Folia submembrana- 
cea, 3-nervia, 5-6 em. longa, 1 em. lata. Calycis tubus 5-6 mm. lon- 
- gus; lobi apice stellato-setosi. Petala apice setulosa, ut videtur 1 cm. 
longa. Antherz 3 '/,-4 mm. longe. 
In Angola (Welwitsch n. 905 in hb. DC.). 
48. O. Senegambiensis (Guill. et Perr.! Fl. Seneg. I, 310); ra- 
mis acute tetragonis, setulis patulis longiusculis subsparse hirtellis; 
foliis oblongis, acutiusculis, obscure setoso-serrulatis, supra subsparse 
longeque setulosis, subtus breviuscule sparseque pilosis; floribus sub- 
panieulatis, bracteatis; calyce setis longiusculis stellatis basi tubercu- 
latis sparse hirtello, lobis oblongis, obtusis, tubum :equantibus. — 
Naud. l. e. 60; Hook. f. in Oliv. l. c. 443. — Dissotis Senegambiensis 
Triana ! l. e. 58. 
Caulis erectus vel adscendens, satis ramosus, 5-6 dm. altus, ramis 
gracilibus. Petiolus 1-2 mm. longus. Folia submembranacea, 2-4 cm. 
longa, 5-12 mm. lata. Bractez fuscescentes, ovatze, ciliatæ, utrinque 
glabre, 3-4 mm. longe. Calycis tubus 4 mm. longus; lobi ciliati, 
apice setosi. Petala pulchre violacea, ciliata, 1 cm. longa. Antheræ 
6 mm. longze. 
In Senegambia (Leprieur, Perrottet); in penins. Promontorii Viri- 
dis (Dollinger). 
49. ©. decandra (DC. l|. c. 143); ramis obtuse tetragonis, VIX 
adpresse setulosis; foliis oblongis, subacutis, obscure crenulatis, 
utrinque breviter sparseque pilosulis ; calyce pilis longiuseulis simpli- 
cibus sparse hirtello, lobis lineari-subulatis, tubo brevioribus. — O- 
Zeylanica var. decandra Smith! in Rees Cyclop. vol. 25. — Dissotis 
decandra Triana ! l. e. 58. 
Rami graeillimi. Folia membranacea, 2-3 em. longa. Calycis tubus 
2'/, mm. longus; lobi apice [longe stellato-setulosi, 1 mm. longi. Pe- 
tala ut videtur 3 mm. longa. Antherz 1 mm. longe. 
In Sierra Leone (Afzelius). 
