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



19. E. polyandra (Pax et K. Hoffm.) Prain in Ann. Bot. XXV. (1911) 618; in 

 Fl. Trop. Afr. VI. I. (4 912) 864. — Claoxylon polyandrum Pax et K. Hoffm. in 

 Engler's Bot. Jahrb. XLV. (1910) 237. — Frutex vel arbuscula, I — 5 m alta; rami 

 albido-corticati; ramuli glabri vel subglabri. Petiolus 3 — 8 mm longus, mox glabres- 

 cens; limbus 6 — 16 cm longus, 2'/2 — 8 cm latus, ovatus vel oblongus, acuminatus, 

 basi obtusus, sed angustissime in petiolum breviter contractus, irregulariter crenulatus, 

 glaber, tenuiter membranaceus, junior purpurascens et adultus secus nervös saepe 

 coloratus; stipulae minutae, denticuliformes, haud induratae. Racemi utriusque sexus 

 1 — 4 cm longi, satis laxiflori, inferne longo tractu nudi, fructigeri ad 6 — 8 cm attingentes; 

 rhachis tenuis, glabra; pedicelli 1 2 — 3 mm longi, capillacei, Q 1 — 2 mm longi, sub 

 fructu 3 — 4 mm attingentes. Calyx Qf in alabastro 2 1 / 2 mm latus, depresso-globosus, 

 sub anthesi 3-partitus, glaber; disci glandulae juxtastaminales clavatae, hirsutae, extra- 

 staminales nullae; stamina 8 — 13. Sepala Q 2 vel 3, orbicularia, ovarium obtegentia, 

 glabra, rotundata; disci hypogyni glandulae squamiform.es, latae, apice incrassatae, 

 truncatae, glabrae; ovarium glabrum, dicoccum; styli basi breviter connati, parce lobu- 

 lati. Capsula 6 mm lata, 4 mm longa. Semina globosa, 3Yj mm diametientia, 

 scrobiculata. 



Ostafrikanische Steppenprovinz: Deutsch-Ostafrika, Usambara, Kwai 

 (Albers n. 36!); Amani (Kränzlin n. 2182!, Warnecke n. 219!); Urwaldpflanze, 

 1100 — 1600 m. Gasaland, Chirinda Forest (Swynnerton n. 546!). 



Westafrikanische Waldprovinz: Spanisch Guinea, Chinchoxo (Soyaux 

 n. 29!). 



Nota 1. Species sepalis Q magnis et stylis parum tantum lobulatis facile recognoscitur. 



Nota 2. Area geographica speciei valde insignis est et lata. Cl. Prain specimen a Soy- 

 aux lectum pro E. pauciflora declaravit, quacum nullo modo convenit, sed omnino congruum 

 est cum specie usambarica. 



Species ad Enerythrococcam pertinens, quoad sectionem dubia. 



20. E. microphyllina Pax et K. Hoffm. n. spec. — Arbor 2 — 3 m alta; rami 

 crebre et breviter ramulosi, albido-corticati; ramuli juveniles sparse puberuli, mox glabrati. 

 Petiolus 1 — 2^2 mm longus, limbus 12 — 18 mm longus, 6 — 10 mm latus, ovato- 

 lanceolatus, apice et basi acutus, integer, carnosulus, demum glaber; stipulae minutae, 

 induratae, lutescentes. Flores q* ignoti; Q in ramulis abbreviatis, saepius aphyllis, 

 basi squamis involucratis racemosi, l'/jmni diametientes; racemi 1 — 3-flori; pedicelli 

 2 mm longi, glabri. Sepala 3, orbicularia, glabra, subacuta; disci hypogyni glandulae 3, 

 trianguläres, apicem versus attenuatae et apice ipso truncatae et incrassatae; ovarium 

 glabrum, triloculare. 



Ostafrikanische Steppenprovinz: Deutsch-Ostafrika, Süd-Pare-Gebirge, 

 Dornbusch bei Tanda, lockerer Steppenboden, 400 m (Kränzlin n. 2956!). 



Nota. Species floribus Q tantum nota est; floribus <5 ignotis affinitas intra genus dubia 

 remanet; certissime autem vera Erythrococca est. 



Subgen. II. Adenoclaoxylon (Müll. Arg.) Prain. 



Claoxylon Sect. Adenoclaoxylon Müll. Arg. in Flora XLVH. (1864) 436; in DC. 

 Prodr. XV. 2. (1866) 776; Pax in Engler und Prantl, Pflzfam. HL 5. (1890) 48. — 

 Erythrococca I. Adenoclaoxylon § Mites, § Rigidifoliae et § Fischcrianae Prain in 

 Ann. Bot. XXV. (1911)608, 609, 610, 611. 



Stipulae induratae, saepe umboniformes vel aculeolatae. Flores in glomerulos 

 axillares, sessiles vel pedicellatos congesti. Disci (jf glandulae juxtastaminales et saepe 

 simul extrastaminales evolutae. 



21. E. Kirkii (Müll. Arg.) Prain in Ann. Bot. XXV. (1911) 609; in Fl. Trop. Afr. 

 VI. 1. (1912) 853. — Claoxylon Kirkii Müll. Arg. in Flora XLVII. (1864) 436; in 

 DC. Prodr. XV. 2. (1866) 776; Pax in Engler, Pflanzenw. Ostafr. C. (1895) 238. - 



