154 F. Pax. — Euphorbiaceae-Acalypheae-Mercurialinae. 



ovatus, acuminatus, basi obtusus vel levissime cordatus, fere integer, evolutus supra 

 glaber, subtus parce stellato-pilosus et parcissime granuloso-glandulosus vel demum 

 eglandulosus, membranaceus vel chartaceus, trinervius, prope basin supra maculari- 

 pluriglandulosus ; costae secundariae praeter basales uü - inque 4 — 6; stipulae setaceo- 

 subulatae, 6 — 10 mm longae. Flores monoici vel dioici. Spicae utriusque sexus ter- 

 minales vel pseudolaterales, pedunculatae, q^ 3 — 6 cm longae, demum laxiflorae, Q 

 fructigerae ad 12 cm attingentes; rhachis ferrugineo- vel albido-tomentella; bracteae 

 subulatae, Q paulo latiores, 3— 6mm longae, q* 3 — 7-florae, Q uniflorae; pedicelli 

 (J* 3 — 5 mm longi, Q sub fructu 5 — 7 mm attingentes. Sepala q 1 3 — 4, ovata, 

 acuta, 3 — 4 mm longa, tomentosa et granuloso-glandulosa; stamina 40 — 50; filamenta 

 ± hirtula vel glabra; connectivum latum; receptaculum centrale disciforme, planum. 

 Sepala Q 3, ovato-lanceolata, 4 mm longa, stellato-hirtella, reflexa; ovarium 3-loculare, 

 molliter ecbinatum et granuloso-glandulosum; styli 3 mm longi, plumosi, basi breviter 

 connati. Capsula 1 cm lata, 6 mm longa, breviter et molliter echinata, granuloso- 

 glandulosa et stellato-pilosa, echinis stellato-hirtellis. Semina subglobosa, 5 mm diame- 

 tientia, nitidula, griseo-brunnea. 



Westafrikanische Waldprovinz, im lichten Wald, auf Waldlichtungen, im 

 Buschwald am Strande. 



Unterprovinz Ober- und Mittelguinea: Elfenbeinküste (Chevalier n. 17825). 

 Goldküste (Chipp n. 50). 



Unterprovinz Südnigerien u. Kamerun: Südnigerien (Monteiro!, Nawin 

 n. 38); Calabar (Williams n. 32); Oban (Talbot n. 621, 623, 655); Cross River 

 (Johnston, Rudatis n. 107!); Kamerun (Büsgen n. 6!, Buchholz!, Conrau n. 223!, 

 Deistel n.167!, 369!, Dusenn.285!, Mildbraed n.3889!, Preuss n.1283!, Schlech- 

 ter n. 12 402!, Versuchsanst. Landesk. Victoria n. 260 !, 273!, Winkler n. 34 A!, 435!, 

 440!, 446!. 62l!). Fernando Po (Mann n. 270, Vogel n. 191). 



Unterprovinz Gabun u. Spanisch Guinea: Gabun (Büttner n. 262 !, Jardin 

 n. 142!, Klaine n. 11, 333!, 364, 371, 439, 534, 2286!, 2717!, 2730, 2783!, 

 2861, Triller n. 108). 



Unterprovinz des Kongolandes: Stanley Pool (Dewevre n. 545, Pynaert 

 n. 170); Eala (Laurent); Kasongo (Dewevre n. 1073, 1543). 



Zentralafrikanische Unterprovinz: Oubangui-Bezirk (Chevalier n. 6068). 



Einheim. Namen im Kongobecken: Kukuma-Suza, Ebemba, Mititi, Bu- 

 lekibanga-Ngutu, Lobombo. 



1 1 . M. tristis Pax et K. Hoffm. n. spec. — Frutex 1 i / i — 2 m altus ; rami teretes, 

 tarde glabrescentes ; ramuli compressi, densissime pilis stellatis fulvo-tomentosi. Folia 

 opposita, in quoque nodo inaequimagna; petiolus 5 — 15 mm longus, crassus, brevissime 

 puberulus; limbus 7 — 15 cm longus, 3 — 6 cm latus, oblongus vel ovato-oblongus, ob- 

 tuse acuminatus, basi obtusus vel cordatus, integer vel repando-denticulalus, coriaceus, 

 trinervius vel in foliis minoribus subpenninervius, opacus, subtus prominenter reticularis, 

 supra secus nervös pilis simplicibus vel depauperato-stellatis parce vestitus, subtus evo- 

 lutus parce stellato-pilosus et parcissime lutescenti-granuloso-glandulosus, subtus scabe- 

 rulus; costae secundariae praeter basales utrinque dr 4; stipulae setaceae, caducae, 

 nigricantes, 6 mm longae. Spicae Q 1 3 — 4 cm longae, axillares, simplices vel rarius 

 ramosae; rhachis fulvo-tomentosa; bracteae parvae, 1 mm longae, lineares, 1 — 3-florae; 

 pedicelli 1 — 2 mm longi; spicae Q terminales, longe pedunculatae, 2 — 3 cm longae, 

 apice 2 — 3-florae; pedicelli fructigeri demum 10 mm attingentes, robusti, cum rhachi 

 fulvo-tomentosi. Calyx q? in alabastro globosus, extus dense fulvo-tomentosus; sta- 

 mina 60; connectivum satis angustum, ultra thecas paulo productum; receptaculum 

 centrale disciforme. Sepala Q 3, triangulari-lanceolata, acuminata, crassa, extus dense 

 pubescentia, 3 mm longa; ovarium echinis mollibus, hirsutis dense vestitum; styli 3, 

 basi breviter connati, 3 mm longi, papillosi. Capsula nimis juvenilis 1 cm lata, 

 molliter et dense echinata. 



