58 F- P ax - — Euphorbiaceae-Acalypheae-Mercurialinae. 



ovata, obtusa, extus dense sericea, intus glabra, purpurea, 5 mm longa. Ovarium dense 

 villosum, breviter 6-alatum; styli puberuli, fere a basi liberi. Capsula ignota. 



Westafrikanische Waldprovinz: Loanda, zwischen Ambriz und Quizembo, 

 in Wäldern, 30 — 50 m (Welwitsch n. 476); Sokolla Nudui (Gossweiler n. 1623); 

 Umbella, bei Funda (Gossweiler n. 49 10). 



9. P. macrantha Pax in Abh. Akad. Wiss. Berlin (1894) 44; in Engler, Pflzwelt 

 Ostafr. C. (1895) 239; Prain in Fl. Trop. Afr. VI. 1. (1913) 961. — Arbor vel frutex 

 1 — 10 m altus, parce ramosus; rami apice foliosi. Petiolus 1 — 2^2 cm longus, a limbo 

 vix distinctus; limbus 20 — 40 cm longus, 6 — 11 cm latus, spathulato-lanceolatus, acu- 

 minatus vel acutus, basin versus longe cuneato-attenuatus, integer, glaber, chartaceus 

 vel subcoriaceus, nitidulus, reticulato-venosus; costae secundariae utrinque 14 — 20, 

 primaria subtus valide prominens. Racemi 8 — 17 cm longi, velutino-pubescentes; 

 bracteae ad 1 mm longae, ovatae vel lanceolatae, acuminatae, extus et intus pubes- 

 centes, reflexae, 3-florae, inferiores steriles; pedicelli q^ 1 — 2 cm attingentes. Sepala (f 

 3 — 4, oblonga, acuta, extus breviter pubescentia, 8 mm longa, reflexa; stamina dr 1 ; 

 filamenta 10 — 15 mm longa, alba, receptaculo crasso, quasi reticulato inserta. Sepala 

 Q 5 lanceolata, acuta, extus et intus pubescentia, 7 — 8 mm longa; ovarium cum stylis 

 velutino-pubescens, 6-alatum; alae magnae, oblique adscendentes; columna stylaris 3 mm 

 longa ; partes liberae 1 3 mm longae. Capsula ignota. — Fig. 7 J. 



Ostafrikanische Steppenprovinz, Usambara: Amani (Braun n.1036!, Eng- 

 ler n. 476!, 846!, 3427a!, Warnecke n. 477!, Winkler n. 3659!); Gonja (Holst 

 n. 4237!); Nguelo, Handeigebirge (Heinsen n. 65!); Derema (Scheffler n. 97!). 

 Immergrüner Regenwald, an tief schattigen und feuchten Stellen des Urwaldes, 800 — 

 1100 m. — Die Pflanze riecht betäubend, ähnlich wie Hyoscyamus niger L. 



10. P. angustifolia Prain in Kew Bull. (1908) 439; Prain in Fl. Trop. Afr. VI. 1. (l 91 2) 

 960. — Frutex; ramuli pro genere satis tenues; partes valde juveniles puberulae. Petiolus 

 1 — 2V2 cm longus; limbus 14 — 25 cm longus, 4 — 7 cm latus, oblanceolatus vel spathu- 

 lato-lanceolatus, acutus vel acuminatus, basin versus in petiolum sensim attenuatus, integer 

 vel remote et minute denticulatus, glaber, laete viridis, chartaceus, reticulato-venosus; costae 

 secundariae utrinque ± 1 0. Racemi 7 — 1 cm longi, inferne longe nudi, apice densi- 

 flori, puberuli; bracteae lanceolatae, acutae, planae, 6 mm longae, reflexae, extus pube- 

 rulae, intus glabrae, 3-florae; flores albi; pedicelli 1 — 1 1 / 2 cm attingentes, puberuli. 

 Alabastra q? ovoidea, apiculata. Sepala extus puberula, 4 — 5, inaequalia, linearia vel 

 ovata, acuminata vel acuta, 9 — 10 mm longa; stamina quoad numerum valde ludentia, 

 50 — 100; filamenta ad 1 y 2 cm longa, receptaculo plicato-rugoso, setoso inserta. Se- 

 pala Q 5, linearia, 4 mm longa, extus puberula; ovarium cum stylis pubescens, 6-alatum; 

 alae rotundatae, obtusae; styli in columnam 1 cm longam connati, superne spatio 2 — 

 3 mm longo liberi. Fructus ignotus. 



Westafrikanische Waldprovinz: Liberia, Kaka town (Whyte); Gran Bassa 

 (Dinklage n. 1602!). Lichte Stellen im Urwald. 



1 I. P. Thollonii Prain in Kew Bull. (1912) 193; in Fl. Trop. Afr. VI. 1. (1912) 

 960. — Frutex; ramuli tenues, apice dense foliosi. Folia sessilia, 30 — 38 cm longa, 

 1 cm lata, obovato-lanceolata, acuta vel acuminata, a medio basin angustissime rotun- 

 datam versus attenuata, subcoriacea, subundulata, glabra. Racemi pedunculati; rhachis 

 tenuiter puberula; bracteae trapezoideo-spathulatae, planae, reflexae, breviter ciliatae, 

 ceterum glabrae, 1 — 3-florae; pedicelli graciles, puberuli, 12 mm fere longi. Sepala (f 3, 

 ovato-triangularia, acuta, parce puberula vel glabra, reflexa, 4 — 5 mm longa; stamina 

 numerosa; filamenta 1 2 — 1 3 mm longa. Sepala Q 5, ovato-lanceolata, acuta, glabres- 

 centia vel glabra, reflexa, 4 — 5 mm longa; ovarium pubescens, 6-alatum; styli parce 

 pilosi, ad */ 6 longitudinis connati. Capsula ignota. 



Westafrikanische Waldprovinz, Ogowebezirk: Ogowefluß (Thollon n. 842). 



12. P. minor Müll. Arg. in Flora XLVII. (186 4) 483; in DC. Prodr. XV. 2. (1866) 

 951; Prain in Fl. Trop. Afr. VI. (1913) 961. — P. jietiolaris Pierre in Sched. — 

 Frutex l / i — 1 i/ 2 m altus: ramuli pro genere tenues; partes valde juveniles puberuli. 



