OSBECKIA. MELASTOMACEJE. (AUCT. COGNIAUX). 388. 
seque setulosis; foliis ovato-oblongis, basi rotundatis, 5-7-nerviis, 
utrinque longiuseule sparseque villosis; ealyce appendieis subulatis 
elongatis apice peltato-dilatatis et stellato-setosis subsparse hirsuto, 
fructifero superne in collum cylindricum longe producto. — DC. 1. c. 
143; Hook. f. in Oliv. 1. c. 442. — Dissotis tubulosa Triana! l. c. 58. 
Rami graciles, acute tetragoni. Petiolus '/,-1 '/, em. longus. Folia 
tenuiter membranacea, 3-5 em. longa, 1-2 em. lata. Paniculæ pauci- 
floræ, floribus subsessilibus. Calycis tubus 6 mm. longus; lobi subu- 
lati, 2-3 mm. longi. Petala 6 mm. longa. Calyx fruetifer 11-12 mm. 
longus. 
In Sierra Leone (Afzelius, Don, Vogel, Barter, Whiettield). 
V. Flores ó-meri. Calyx hirsutus, lobis cum appendicibus subulatis 
apice stellato-setosis alternantibus. 
A. Folia ovata, longe petiolata. 
45. O. Buettneriana; caule repente vel procumbente; ramis 
longiuscule vix pilosulis; foliis utrinque vix pilosulis; floribus solita- 
riis-ternis, ebracteatis ; calyce setis crassis longiuseulis apice dilatatis 
et penieillato-ramosis sparse vestito, lobis subulatis, tubo brevioribus. 
Caulis 3-6 dm. longus, ramis gracilibus, obseure tetragonis. Petio- 
lus +/,-1 */, em. longus. Folia tenuiter membranacea, acuta vel rarius 
obtusa, integerrrima, 3-nervia, 2-4 em. longa, 1-2 '/, em. lata. Caly- 
cis tubus 4-6 mm. longus; lobi 2-3 mm. longi. Petala vix ciliata, 8 mm. 
longa. Antherze 2 */, mm. longæ, connectivo basi brevissime producto. 
Stylus 6 mm. longus. Capsula ovoidea, 6-7 mm. longa. 
In Gabonia rica. in hb. Berol.); in Ogooué ( Thollon in hb. Mus. 
Paris.). 
46. ©. Welwitschii; ramis brevissime denseque hirtellis; foliis 
Supra densiuscule breviterque hirtellis, subtus breviter sparseque pi- 
losulis; cymis paucitloris ; pedicellis ad basin bibraeteatis; calyce setis 
crassiuseulis longiusculis apice stellato-ramosis sparsissime vestito, 
lobis lanceolatis, acuminatis, tubo longioribus. 
Rami robustiusculi, obtuse tetragoni. Petiolus 1-1'/, cm. longus. 
Folia tenuiter membranacea, obtusiuscula, integerrima, 3-nervia, 3- 
4cm. longa, 1 '/,-2'/, em. lata. Cymæ 3 em. longe. Bracteæ pellu- 
cidæ, ovatze, ciliatze, 3-4 mm. longa. Calycis tubus 6-7 mm. longus; 
lobi subpersistentes, 8-10 mm. longi. Petala ut videtur 1 '/, em. 
longa. Capsula subglobosa, fere 1 em. crassa. 
In Angola (Welwitsch n. 907 in hb. DC.). 
