Peperomia. | CXIII. PIPERACEX (BAKER AND WRIGHT). 149 
the spike ; rhachis glabrous ; bracts orbicular. Ovary obovoid, obtuse, 
impressed in the rhachis ; stigma termina], minute. 
Lower Guinea. Island of St. Thomas; Angolares, Quintas. 
2. P. pellucida, H. B. ¢ K. Nov. Gen. et Sp. i. 64. Annual. 
Stems weak, branched, erect from the base, very slender; branches 
sometimes slightly pubescent. Leaves alternate, distinctly petioled, 
broadly ovate, 3-1 in. long, acute, slightly cordate at the base, mem- 
branous, very thin, 5-7-nerved from the base. Spikes leaf-opposed, 
shortly peduncled, very slender, lax, 1-2 in. long; rhachis glabrous, 
Strongly angled, not distinctly pitted; bracts round-peltate, nearly 
sessile. Berry very small, subglobose, sessile; stigma terminal.— 
C. DC. in DC. Prodr. xvi. i. 402, and in Bol. Soc. Brot. x. 154; Hiern 
in Ca‘, Afr. Pl. Welw. i. 912. P. Vogelii, Mig. in Hook. Lond. Journ. 
Bot. iv. (1845), 413; C. DO. lc. 403. P. exxigua, Miq. Syst. Piper. 77 ; 
C. DC. l.c. 403; Hiern, l.c.; var. freireifolia, C. DC. 1.c. P. freirew- 
folia, A. Rich. Tent. Fl. Abyss. ii. 274, Piper freirewfolium, Hochst. 
ex A. Rich. l.c. 
Upper Guinea. Sierra Leone: forest on the way to Lester Peak, Scott- 
Elliot, 3885 ! Lagos, Dawodu, 4! Northern Nigeria: Mount Patteh, Vogel, 192 ! 
Cameroons: Bipinde, Zenker, 2719! 
Nile Land. Abyssinia: shaded rocks in the Tacazze Valley, Schimper, 1942 ! 
Lower Guinea. Princes Island, Barter, 1978! St. Thomas Island, Don! 
Moller. Angola: forest between Ambriz and Quizembo, 100-150 ft., Welwitsch, 
506! Cazengo, by streams in forest on the Serra de Muxaulo, Welwitsch, 504! 
Pungo Andongo; damp rocks by the Casalale stream, Welwitsch, 503 ! and without 
precise locality, Gossweiler, 451 ! 
: phage Dist. Portuguese East Africa: Lower Zambesi, opposite Sena, 
irk ! 
Cosmopolitan in the tropics; very common in America. 
3. P. knoblecheriana, Schott in Bot. Zeit. 1851, 225, t. 5. A 
small succulent glabrous annual herb. Stem 1—2 in. high, simple or 
nearly so, terete below. Leaves (except the two lowest) alternate, 
patent, rotundate-ovate, slightly cordate, acute, about 4 lin. long and 
nearly as much broad, with 3 opposite pairs of lateral nerves, sparingly 
punctate; petiole 1 lin. long, channelled above, margins finely crenulate, 
convex below. Spikes solitary, axillary and terminal, shorter than the 
leaves, 2-3 lin. long; flowers hermaphrodite, 8-12, distant. Bracts 
ovate, acute, concave. Stamens 2, lateral; anthers globose. Ovary long- 
ovoid, crowned by the minute penicillate stigma. Berry sessile, sub- 
globose, rugulose, blackish, very shortly rostrate.—Verhuellia knobleche- 
riana, C. DC. in DC. Prodr, xvi. i. 391. 
Wile Land. Sudan: on the shores of the White Nile, 5°-7° N., Kuoblecher, 
4. P, Baumannii, 0. DC. in Engl. Jahrb. xxvi. 360. A herb 
nearly 5 in, high from a decumbent base. Leaves alternate, ovate, 
rather obtusely acuminate, 14 in. long, } in. wide, glabrous on both 
