32 F- Pax. — Euphorbiaceae-Hippomaneae. 



ginem infracto-junctae, subtus cum venis prominentes. Panicula longe pedunculata, 

 10 cm fere longa, 3^/2 — 4 cm lata; ramuli (J* triflori, umbellati, 2^2 — 3 mm supra 

 basin glandulas 5 — 6 mm longas, adnatas gerens; pedicelli (^ 12 — 16 mm longi; 

 bracteae pars libera vix 1 1/2 mm lata, late ovata. Calyx (^f cupuüformis, obtusilobus; 

 sepala Q triangularia, cuspidato-acuminata, 4 — 5 mm longa, eglandulosa; capitulum 

 anlherarum globoso-ovoideum, 3 mm longum; stamina circ. 65; antherae furfuraceae; 

 columna stjlaris partem liberam stvlorum bene aequans, cum ovario inermi tenuiter 

 farinaceo-tomentella; styli 13 mm longi. Fructus ignotus. 



Provinz des Amazonenstroms: Alto Amazonas, schattige Wälder am 

 Rio Negro (Riedel n. 1583!). 



7. M. pulcherrima Müll. Arg. in Flora LV. (1872) 44. — M. piriri vai-. concolor 

 Müll. Arg. in DC. Prodr. XV. 2. (1866) 1150 ex parte. — Ramuli graciles, cum foliis 

 totis glabri. Petiolus 10 mm longus; limbus 14 — 17 cm longus, 3V'2' — 7 cm latus, 

 elliptico-lanceolatus, basi obtusus vel subacutus, apice cuspidato-acuminatus, integer vel 

 subinteger, tenuiter coriaceus, subtus concolor, in utraque pagina reticulatus. Paniculae 

 late cjlindricae, amplae, 12 — 1 6 cm longae, 6 — 7 cm latae, eximie floribundae, infeme 

 floribus Q, laxis longo tractu munitae; ramuli (^ elongati, umbellatim triflori, 4 — 6 mm 

 supra basin glandulis oblongis, 3 — 4 mm longis ornati; bracteae Q. 1 Y2 — 2V2 ^"^ 

 longae, lanceolato-lineares, indivisae vel 2 — 3-partitae, brevissime et parcissime pube- 

 rulae, (^ 5 mm longae, in pedunculis umbellarum 1 ^j^ — 2 cm longis sitae. Calyx (^ 

 in apice pedicellorum oblique adnatus, refracto-inclinatus, 3 mm longus; sepala § 

 4 mm longa, ovata, acuminata, cum ovario furfuraceo-rufo-tomentella; stamina 48 — 54; 

 antherae sessiles, furfuraceo-tomentellae. 



Cisäquatoriale Savannenprovinz: Franz. Guyana (Leprieur). 



8. M. maynensis Müll. Arg. in DC. Prodr. XV. 2. (1866) 1150; in Fl. Bras. 

 XL 2. (1874) 520. — Ramuli graciles, superne tereti-compressi, undique cum rhachi 

 paniculae et cum foliis totis glabri. Petioli 12 — 15 mm longi; limbus 9 — 14 cm longus, 

 3V2 — 7 cm latus, lanceolato-elliplicus, abrupte et breviter cuspidato-acuminatus, basi 

 subacutus, repando-crenatus, ochraceo-fuscidulus, reticulato-venosus: costae secundariae 

 utrinque 10 — 15. Paniculae circ. 10 cm longae, 3V2 — 4 cm latae: ramuli (^ 4 — 5 mm 

 longi, umbellatim 3- vel 2-flori, longius supra basin grosse biglandulosi ; pedicelh q^ 

 10 — 15 mm longi, Q 2 — 3 cm attingentes, cum bracteis brevissime ferrugineo-pul- 

 verulento-tomentelli. Calyx (^ purpureo-pulverulentus, fere 3 mm latus, lobi semi- 

 orbiculares, rotundato-obtusi : sepala ^ triangulari-ovata, acuminata, 3 mm longa, cum 

 ovario et bracteis ferrugineo-vestita, eglandulosa; stamina 33 — 40; antherae fere 

 sessiles; connectivum obtuse prominens, apice crenulatum et dense vestitum, purpurascens; 

 columna stylaris fere 2 cm longa, parle libera stylorum circ. 'i^j^-^^o longior; ovarium 

 inerme, ferrugineo-tomentellum. 



Subäquatoriale andine Provinz: Peru, bei Tarapoto (Spruce n. 4888). 

 Provinz des Amazonenstroms: Brasilien, Alto Amazonas, bei Ega 

 (Poeppig). 



9. M. Schomburgkii Benth. in Hook. Journ. Bot. VI. (1854) 365; Müll. Arg. in 

 DC. Prodr. XV. 2. (1866) 1149. — M. taquari Klotzsch in Hook. London Journ. Bot. 

 ir. (1843) 47. — Ramuli ferrugineo-tomentelli, graciles. Petiolus ± 5 mm longus, 

 ferrugineo-vestitus ; limbus 7 — 8 cm longus, 3 72" — ^ cm latus, lanceolato-ellipticus vel 

 ovato-lanceolatus, acutus vel breviter acuminatus, basi obtusus vel subcordatus, margine 

 leviter revoluto-subcrenulatus, supra nitidus, subtus secus nervös parce ferrugineo- 

 tomentellus, subtus reticulato-venosus; costae secundariae utrinque ± 10. Paniculae 

 5 — 6 cm longae, it 3 cm latae: rhachis ferrugineo tomentosa; ramuli (^ 2 — 5 mm 

 longi, rarius breviores, umbellatim 3-flori, longius supra basin biglandulosi; pedicelli 

 (j^ 10 — 12 mm longi, Q. 15 — 20 mm attingentes, cum bracteis brevissime sub- 

 cinerascenti-tomentelli; flores albidi. Floris r^ 2 mm fere diametientis sepala triangularia, 

 acuta, 5 triangulari-ovata, acuminata, eglandulosa, 3 mm longa, ufriusque sexus 

 tomentella, stamina dr 30 — 35; columna stylaris 6 — 8 mm longa, partem liberam 



