Commelina. | CXLIII, COMMELINACE& (CLARKE). dd 
Mozamb. Dist. Jritish Central Africa : Nyasaland ; between Mpata and the 
commencement of the Tanganyika Plateau, 2000-3000 ft.. Whyte! Kondowe to 
Karonga, 2000-6000 ft., Whyte / 
48. C. longicapsa, (’. B. Clarke in DC. Monogr. Phan. iii. 176. 
Robust, nearly glabrous. Leaves 6 by 2 in., lanceolate-obovate, narrowed 
at the base into a quasi-petiole $3 in. long. Spathes nearly 1 in. long, 
glabrous, 2 or 3 together, terminal. Capsule } by 4 in., quadrate-oblong, 
4-seeded. Seeds cylindric, smooth.—Durand & Schinz, Conspect. Fl. 
Afr. v. 426. 
Lower Guinea. Gaboon: Gaboon River, Mann ! 
The long quasi-petioles, leaves and capsules, show that this fragment indicates 
some very distinct species. 
49. C. umbellata, Zhonn. in Schumach. Beskr. Guin. Pl. 21. 
Sparingly hairy. Stem 15 in. long, much branched, slender, with 
internodes 2—3 in. long, at the base decumbent and rooting. Leaves 
4 by j-} in. Peduncles scattered, exserted 0-4 in. from the leaf- 
sheath. Spathes 4-4 in. long, brvadly ovate, acute, hispid, slightly 
curved ; margins connate at the base. Flowers purple or white 
(Zhonning), or almost flesh-coloured (Voyel). Capsule } in. long, 
papery, 3-celled, 3-valved, 3-seeded. Seeds 4 in. long or rather more, 
ellipsoid, brown, smooth, each with 2 pits on the back.—C. B. Clarke 
in DC. Monogr. Phan. iii. 179 ; Durand & Schinz, Conspect. Fl. Afr. v. 
428; K. Schum. in Engl. Pfl. Ost-Afr. C. 135. C. nigritana, Benth. 
in Hook. Niger Fl. 541. ; 
Upper Guinea. Niger Territory: Nupe, Barter, 1473! Quorra, Vogel, 85! 
Mozamb. Dist. (rerman East Africa: Unyamwezi District (ex A. Schumann). 
\0. C. bracteosa, Hassk. in Peters, Reise Mossamb. Lot. 524. 
Sparingly hairy. Stems 8-15 in. long, branched ; internodes 2 in. long. 
Leaves up to 34 by 1 in., elliptic, acuminate, narrowed at either end. 
Peduncles 1 (or 2) at the ends of the branches, exserted 0—] in. from 
the leaf-sheaths. Spathes 3 by 1 in., obtusely triangular at the tip, 
slightly white-hispid ; margins connate at the base. Capsule { in. long, 
papery, 3-seeded. Seeds ;}, in. long, subglobose, flattened.—Hassk. in 
Flora, 1863, 386; C. B. Clarke in DC. Monogr. Phan. iii. 180 ; Durand 
& Schinz, Conspect.. Fl. Afr. v. 424; K.Schum. in Engl. Pti. Ost-Afr. 
C. 135; Hua in Bull. Mus. Hist. Nat. Par. i119. 
Nile Land. British East Africa : Kich District; at Ador Village, Petherick ! 
Mozamb. Dist. Zanzibar, Sacleux, 218, Portuguese East Africa : Mozam- 
bique, Peters ; Zambesi Delta; Luabo River, Airk, 32 partly ! 
51. C. guineensis, Hua in Bull. Mus. Hist. Nat. Par.i. 119. Root 
fibrous. Stem branched from the base, ylabrescent. Leaves rather 
long, lanceolate, sessile. Inflorescence terminal, usually 1 only, 
peduncled. Spathe hooded, not curved, striate, puberulous. Capsule 
Subglobose, with 3 one-seeded cells. Seeds smooth. 
Lower Guinea. French Guinea, Puroisse, 195; Brazzaville, Thollon, 961. 
