Cyathogyne, Protomegabaria. 43 



Westafrikanische Waldprovinz: Belgisch Kongo, Wabundu (Dewevre 

 n. H41!). 



4. C. Bussei Fax in Engler's Bot. Jahrb. XXXIII. (1903) 280; Hutchinson in Fl. 

 Trop. Afr. VI. 1. (1912) 653. — Suffrutex; caules e rhizomate perenni erecti, tenues, 

 simplices vel vix ramosi, ad 45 cm alti, juveniles crispule brunneo-pubescentes, mox 

 glabrati. Petiolus 2 mm circ. longus, glaber; limbus 18 — 30 mm longus, 9 — 11 mm 

 latus, ellipticus vel lanceolatus, obtusus vel emarginatus, basin acutam versus cuneato- 

 attenuatus, membranaceus, glaber, integer; costae secundariae utrinque 2 — 3, subtus 

 vix distinctae; stipulae e basi lata subulatae, pubescentes, 2 mm longae. Spicae utrius- 

 que sexus 1 cm fere longae, in ramulis abbreviatis Orientes, dimidio inferiore nudi, apice 

 densiflori, crispule brunneo-pubescentes; bracteae e basi lata concava subito subulato- 

 acuminatae; pedicelli 1 ^ mm longi, bracteam aequantes vel paululo superantes. Sepala 

 <3* 5, oblonga, obtusa, membranacea, ciliata; disci glandulae obconicae, antice rigidule 

 pilosae; ovarii rudimentum apice dilatatum, glabrum. Sepala Q 5, ovata, acuta, 

 ciliata; discus hypogynus crenatus; ovarium glabrum; styli breviter bifidi. 



Ostafrikanische Steppenprovinz: Usambara, lichter Mischwald auf trockenem, 

 lehmigem Boden am Mssindjewe-Flusse (Busse n. 10 42!); Weg zwischen Morogoro und 

 Mzuiga, 650 m (Kränzlin n. 2999!). 



5. C. spathulifolia Pax in Engler's Bot Jahrb. XXXIII. (1903) 281; Hutchinson 

 in Fl. Trop. Afr. VI. 1. (1912) 653. — Suffrutex fere y 2 m altus; caules e rhizomate 

 perenni erecti, tenues, simplices vel subsimplice§, juveniles crispule brunneo-pubescentes, 

 mox glabrati. Petiolus 1 — 2 mm longus, glaber; limbus 7 — 12 mm longus, 5 — 8 mm 

 latus, spathulatus vel emarginatus, membranaceus, integer, glaber vel subtus ad costam 

 mediam parce pilosus; costae secundariae utrinque 3 — 4, subtus parum tantum pro- 

 minentes; stipulae e basi lata subulatae, pubescentes. Spicae q? vix 1 cm longae, in 

 ramulis abbreviatis, foliosis Orientes, puberulae, dimidio inferiore nudae, deinde densi- 

 florae; bracteae e basi lata concava subito subulato-acuminatae ; pedicelli bracteam 

 aequantes vel superantes, 4 4 / 2 mm longi. Sepala q? 5, ovata, obtusa, ciliata, hyalina; 

 disci glandulae carnosae, glabrae vel subglabrae; ovarii rudimentum glabrum, cyathi- 

 forme. Flores § ignoti. — Fig. 6. 



Ostafrikanische Steppenprovinz: Hügelige Steppe, trockene Abhänge bei 

 Kibodi am Ruhembe (Goetze n. 401 !). 

 Einheim. Name: Mjenga. 



10. Protomegabaria Hutchinson. 



Protomegabaria*) Hutchinson in Hook. Icon. pl. XXX. (191 1) t. 2929, in Fl. Trop. 

 Afr. VI. 1. (1912) 656, 1045; Pilger u. Krause in Engler u. Prantl, Pflzfam. Nachtr. 

 IV. (1915) 170. 



Flores dioici, apetali. Sepala q? 5, imbricata. Disci glandulae alternisepalae. 

 Stamina 5 — 6, episepala; filamenta libera; antherae introrsae; loculi paralleli, longi- 

 tudinaliter dehiscentes. Ovarii rudimentum crassum, columnare, integrum vel bipartitum. 

 Calyx g maris, sed sepala crassiora. Disci glandulae patellares basi sepalis 2 — 3 ad- 

 natae. Ovarium 3-loculare; styli 3, bifidi vel bilobi, demum patentes. Ovula in loculis 

 gemina, fere caruncula magna occulta. Capsula magna, subglobosa vel oblongo-ellip- 

 soidea, in coccos bivalves dissiliens, columellam persistentem, late trialatam relinquens, 

 demum exocarpio crustaceo tenui in sectiones 6 e basi fisso, endocarpio corneo. Se- 

 mina subglobosa, ecarunculata ; albumen tenue; cotyledones latae, carnosae, plicataef?). — 

 Arbores. Folia bistipulata, alterna, petiolata, penninervia, ampla, integra. Flores in 

 inflorescentias spiciformes dispositi, q? in axillis bractearum terni vel abortu floris medii 

 bini; prophylla floris medii in cupulam cyathiformem, inflorescentiam partialem inclu- 



*] Megabaria est genus Euphorbiacearum (cfr. p. 4 3). Species Protomegabariae antea a 

 cl. Pierre pro speciebus Megabariae signatae erant. 



