46 F- Pax und K. HofTmann. — Euphorbiaceae-Additamentum VI. 



Iruncati, mucronati. Racemi abbreviati, densi, foliis mullo bieviores; bracteae integrae, 

 lanceolato-ovatae, acutae, glabrae, 20 — 33 mm longae, 9 — 18 mm latae; pedicelli (^ 

 15 — 18 mm attingentes, 2 longiores. Caiyx (f ad medium partitus, 30 mm longus, 

 glaber, ^ veris. minor; ovarium glabrum, 6-costatum. Capsula subglobosa, acute 

 costata, 35 mm longa. Semina subglobosa, compressa, 13 — 14 mm longa, 11 — 12 mm 

 lata, 9 mm circ. ciassa, griseo-brunnea. 



Südbrasilianische Provinz: Brasilien, West-Bahia, in einer Pflanzung bei 

 Santa Rita, dort auch wildwachsend (Zehntner n. 382!, 390 !). 



Liefert einen minderwertigen Kautschuk. 



17b. M. bahiensis Ule in Engler's Bot. Jahrb. L. Beibl. n. H4. (191 4) i. — 

 Arbuscula ad 2V2 m alta vel frutex; ramuli juveniles cum petiolis et racemis ferrugineo- 

 tomentosi. Petiolus 4 — 6 cm longus, limbum dr aequans; limbus fere ad basin 3 — 

 Ji-partitus, membranaceus, supra subglaber et ad basin subtomentellus, subtus ad nervös 

 ferrugineo-tomentellus ; lobi 5 — 8 cm longi, 2V2 — * cm lati, obovati, basi attenuati, 

 apice rotundati, abrupte brevissime acuminati, longiuscule mucronati; stipulae setaceae, 

 tomentosae. Racemi ad 10 cm longi, inferne pauci-, superne densiflori; bracteae 20 — 

 25 mm longae, 8 — 11 mm latae, ovatae vel lanceolato-ovatae, acutae; pedicelli (^f 

 8 — 12 mm longi, pruinosi, Q longiores. Flores rubro-violacei. Calyx ad 24 mm 

 longus. glaber, fere ad medium partitus, Q brevior et profundius partitus; ovarium 

 glabrum, 6-costatum. Semina (ex Zehntner) parva. 



Südbrasilianische Provinz: Brasilien, West-Bahia, Santa Rita und Bo- 

 queiräo (Zehntner n. 365!, 37l!). 



A typo differt: 



Vai-. ß. microsperma Ule 1. c. 5. — Foliorum lobis paulo latioribus, 3 — 5 cm 

 latis, bracteis circ. 16 mm longis, 10 mm latis, calyce (J^ 18 — 20 mm longo. 

 Capsula e basi truncata subglobosa, prominenter 6-costata, laevis, ad 3 cm longa et 

 paulo latior. Semina 10 — 12 mm longa et lata, 7 — 8 mm crassa, dilute grisea. 



West-Bahia: Santa Rita (Zehntner n. 3841, 387!, 455!). 



17 c. M. microdendron Ule in Engler's Bot. Jahrb. L. Beibl. n. 1 14 (191 4) 5. — 

 Arbuscula gracilis, ad 2 m alta; partes juveniles paulo incano- vel ferrugineo-tomen- 

 tellae. Petiolus limbo paulo longior, 6 — 8 cm longus; limbus fere ad basin 5-partitus, 

 membranaceus, glaber; lobi 4 — 5 cm longi, 2V2 — ^^/i cm lati, late obovati, apice rotun- 

 dati, longiuscule mucronati, basi angustati; stipulae 9 mm longae, setaceae, subglabrae 

 vel tomentellae. Racemi ad 7 cm longi, nutantes; bracteae 20 — 26 mm longae, 7 — 

 9 mm latae, glabrae, ovatae vel ovato-lanceolatae, acuminatae, mucronatae; pedicelli 

 (^ 5 — 8 mm longi, graciles, Q 7 — 12 mm attingentes. Calyx (^ ultra medium 

 partitus, 21 — 24 mm longus, intus papillosus, glaber, Q fere ad basin partitus, 1 3 mm 

 longus; oveirium glabrum, 6-costatum. Capsula 30 — 34 mm longa et paulo latior, 

 e basi truncata subglobosa, prominenter 6-costata, glabra. Senrrina subglobosa, 14 — 

 16 mm longa, 12 — 13 mm lata, 9 mm crassa. 



Südbrasilianische Provinz: Brasilien, Bahia, im Garten Florestal de Joa- 

 zeiro I kultiviert ; soll aus Piauhy stammen (Zehntner n, 689!). 



17d. M. Labroyana Ule in Engler's Bot. Jahrb. L. Beibl. n. 114 (1914) 6. — 

 Arbuscula 2 — 3 m alta; i-amuli juveniles cum petiolis et inflorescentiis et pagina in- 

 feriore foliorum pruinosi, glabri. Petiolus limbo longior, 5 — 7 cm longus; limbus fere 

 ad basin 3 — 5-partitus, rigide membranaceus; lobi 3^2 — 6 cm longi, 2V2 — * cm lati, 

 in ramis sterilibus autem multo longiores, ad 1 cm longi et 7 cm lati, petiolo 1 7 cm 

 usque attingente, late obovato-ovati, apice acuminati, mucronati, basi attenuati, laterales 

 obliqui; stipulae setaceae, glabrae. Racemi nutantes, breves, circ. 7 cm longi, densi- 

 flori; bracteae 20 — 28 mm longae, 10 — 15 mm latae, late obovatae vel obovato-ellip- 

 ticae, acutae, longiuscule mucronatae; pedicelli (^ 5 — 6 mm longi, Q duplo longiores. 

 Calyx utriusque sexus 5-partitus et 5-gibbosus, 1 8— 20 mm longus; ovarium glabrum, 

 6-costatum. Capsula ignota. Semina subglobosa, compressa, 12 — 14 mm longa, 11 — 

 12 mm lata, 8 — 9 mm crassa, dilute rubescenti-grisea. 



