Manihot. 67 



olivaceus, supra nigrescenti-viridis, subtus fusco-incanus, fere ad imam basin tripartitus; 

 lobi 2V2 — 3l A cm l° n &i> 9 — 12 mm lati, oblongo-obovati, acuminati, laterales aperte 

 vel subhorizontaliter patuli, basi valde obliqui; stipulae exiguae, subulato-lineares, integrae, 

 vix 2 mm longae. Racemi sessiles, 4 — 6-flori; bracteae subulato-lineares, integrae, 

 parvae; pedicelli elongati, 12 — 18 mm longi, patentes vel subhorizontales, graciles. 

 Calyx utriusque sexus extus glaber, rubicundo-pruinosus, intus scabro-puberulus, sordide 

 fulvus, 11 m longus, (j* ad medium 5-fidus, Q 5-partitus; discus et filamenta glabra; 

 connectivum apice hispidulum; antherae 3 mm longae; ovarium leviter angulosum, gla- 

 brum. Capsula ignota. 



Südbrasilianische Provinz: Brasilien, Staat Minas Geraes, Steppen am 

 Rio Paranahyba (Pohl n. 49 4!). 



Nota. Species tenuitate caulium, foliis minoribus, racemis paucifloris nee non pedicellis 

 elongatis valde insignis est. 



76. M. Burchellii Müll. Arg. in Fl. ßras. XI. 2. (1874) 457. — Rami erecto-patuli, 

 violaceo-fuscescentes, cum inflorescentiis caesio-pruinosi. Petioli patentes, graciles, 

 lobos limbi majores fere aequantes; limbus rigide membranaceus, supra nigricanti-fus- 

 cescens, subtus intense coerulescenti-glaucus, glaber, profunde 3 — 5-partitus; lobi 3 su- 

 periores subaequales, 3 — 4y 2 cm longi, 0/% — 2 cm lati, lanceolato-obovati, breviter et 

 abrupte, sed acute acuminati, basi sensim angustati, inferiores minores vel obsoleti; 

 stipulae 5 — 6 mm longae, e basi latiuscula, triangulari longe setaeeo-acuminatae, saepe 

 bipartitae, persistentes. Pedunculi 6 — 8 cm longi, graciles, glabri, caesio-pruinosi; 

 panicula ipsa breviramea, angusta, racemiformis; flores Q infimi a sequentibus valde 

 remoti et breviter pedicellati; bracteae lanceolato-lineares, integrae, persistentes, pedi- 

 cellos bis aequantes, 4 — 5 mm longae. Calyx extus glaber, intus tomentello-puberulus, 

 q? ultra medium 5-fidus, Q 5-partitus; discus et filamenta glabra; antherae 2 1 /2~pl° 

 longiores quam latae; connectivum apice hirtellum; ovarium glabrum, 6-alalo-angulosum. 

 Capsula ignota. 



Südbrasilianische Provinz: Brasilien, Staat Goyaz, zwischen Goyaz und 

 Cavalcante (Burchell n. 7849). 



77. M. utilissima Pohl, PI. Bras. ic. et descr. I. (l 827) 32 t. 2 4; Müll. Arg. in DC. 

 Prodr. XV. 2. (1866) 1064; in Fl. Bras. XI. 2. (1874) 457 t. 65; Baker, Fl. Maurit. 

 (1877) 316; Hillebrand, Fl. Hawaian Isl. (1888) 393; Hook. f. Fl. British Ind. V. (-1 890) 

 239; Pax in Engler-Prantl, Pflzfam. III. 5. (1890) 80 f. 49; in Engler, Pflzenw. Ostair. 

 C. (1895) 240; Reinecke in Englers Bot. Jahrb. XXV. (1898) 647; Hiern, Cat. Afr. 

 pl. IV. (1900) 973; Schumann et Lauterb. Fl. Schutzgeb. Südsee (1901) 403; Urban, 

 Symb. antill. IV. (190 5) 350; Zimmermann in Pflanzer III. (1907) 258. — M. edule 

 A. Rieh, in R. de la Sagra, Fl. cuban. ed. hisp. III. (1853) 208 ex Müll. Arg. — M. 

 esculenta Crantz, Inst. I. (1766) 167. — M. Manihot Cockerell in Bull. Torr. Bot. Club 

 XIX. (1892) 95; Safford, Contr. U. S. Nat. Herb. IX. (1905) 316 t. 26. — M. aijpi 

 Rusby in Mem. Torr. Bot. Club VI. (189 6) 120. — Mandioca utilissima Link, Handb. 

 II. (1831) 436. — Mandioca dulcis Parodi in An. soc. cienc. Argent. IV. (1877) 127. 

 — Jatropha Manihot L. Spec. pl. ed. 1. (1753) 1007; Tussac, Fl. Antill. III. (1824) 

 t. 1 ; Vell. Fl. Flum. ic. X. (1827) t. 80; Blanco, Fl. Filip. ed. 3. III. (1879) 160. — 

 Jatropha stipulata Vell. Fl. Flum. ic. X. (1827) t. 82. — Janipha Manihot H. B. K. 

 Nov. gen. et spec. II. (1817) 85; Bot. Mag. t. 3071; Miq. Fl. Nederl. Ind. I. 2. (1859) 

 392. — Radix tuberosa, elongata, crassa, rubescens, sueco venenato repleta, amara 

 vel innoxia, dulcis. Fruticosa vel arborescens, 2 — 3 m alta. Petiolus demum limbum 

 superans, glaber vel apice puberulus, viridis vel purpurascens, cum foliis et inflorescentiis 

 =b glaueo-pruinosus; limbus membranaceus, supra fuseidulo- viridis, glaber, subtus 

 glaueus et secus costas minute puberulus vel subglaber, in foliis superioribus rarius 

 indivisus, saepissime profunde 3 — 7-partitus; lobi 8 — 17 cm longi, 1 — 5 cm lati, spa- 

 thulato-lanceoati vel llineari-lanceolati, acute acuminati, basi sensim attenuati et in 

 disculum 2 cm latum confluentes; stipulae 5 — 7 mm longae, triangulari -lanceolatae, 

 setaeeo-acuminatae, integrae vel 1 — 2-lacinulatae, puberulae. Pedunculi saepe 5 — 6 cm 



5* 



