1064. DICOTYL. seu EXOGENJ£. MANIHOT. 
17. M. UTILISSIMA (Pohl Plant. bras. ic. et descript. vol. 1. p. 32. t. 24, in- 
clus. B et y),'stipulis subulatis integris, inflorescentiis ex ima basi divisis 
longirameis basi subdichotomis ccterum racemosim ramosis, bracteis subu- 
latis minutis, calyce foem. b-partito masculo 5-fido utriusque sexus glabro, 
antheris paulo longioribus quam latis circa rnedium dorso insertis, connectivo 
apice fasciculato-piloso, disco fundoque centrali ken in apiculato glabris, 
ovario alternatim inzqualiter 6-gono glabro, stigmatibus sessilibus semior- 
biculatis inciso-multilobis undulatis, capsulis inequaliter anguste alatis alis 
undulato-subcrenatis. 3 Latissime per terras calidas utriusque hemisphzrii 
diffusa et ab incolis lóco cerealium pro usu oeconomico vario culta, in Bra- 
silia meridionali (Weddell!) bahiensi (Blanchet n. 83! 2329! Salzm. n. 488! 
Lhotsky!) et septentrionali prope Santarem (R. Spruce!), in Guyana gallica 
(Sagot!), Surinamia (Hostm. n. 891 !), Colombia (Karsten!), Venezuela (Otto! 
Gollmer! Fendler n. 1229!) ad flumen Magdalene (Humboldt!), in Nova 
Granata. (Triana n. 3649!), in Peruvia (Pavon!), et in Mexico (Liebm. !), dein 
in Antillis, sc. in Guadeloupe (Krauss!), in Cuba (Ramon de là Sagra !), Mar- 
tinica (Sieb. n. 220!) et Portorico (Schwanke !), nec non in Africa occidentali, 
in Guinea (Thonning), in Nigritia (Vogel n. 631 Barter n. 1497!), in Angola 
et Benguela in regione litorali, ubi similiter ac in Brasilia radice dulci et 
plus minusve noxia occurrit (Welw. n. 300! 301! 302!), et in Africa orientali 
versus fontes Nili (Speke and Grant n. 68! in hb. Hook.), in insula Mauritii 
(Sieb. n. 188! Bouton!), et demum in Java (Zolling. n.3515! 3636! 3651!), in 
India orientali (Rottl.! Wall. n. 7800 A! B! Hook. et Thoms.!) et in Philip- 
pinis (Blanco Flor. filip. p. 760). — Baill. Rec. d'obs. bot. vol. 4. p. 278. Ja- 
tropha Manihot L. Spec. plant. ed. 1. p. 1007 (fid. hb. Linn.); Poir. in Lam. 
"Encycl. vol. 4. p. 10-14; Tussac Flore des Antill. vol. 3. t. 1; Descourt. Flore 
méd. des Antill. vol. 3. p. 113. t. 176 ; Vellozo Flor. flum. vol. 10. t. 80. Janipha 
Manihot Kunth in Humb. et Bonpl. Nov. gen. et spec. plant. vol. 2. p. 108; 
Bot. Mag. t. 3071; Adr. Juss. Tent. Euphorb. t. 10. fig. 33. Jatropha stipulata 
Vell. Flor. flum. vol. 10. t. 82. Manihot edule A. Rich. in Ramon de la Sagra 
Flor. cub. edit. hisp. vol. 3. p. 208. Radix validissima, usque 3-pedalis et circ. 
i-i pedis lata, carnosa, lactigera, feculenta, e qua in omnibus terris calidis 
panem varium (Cassavam) et liquores faciunt. Caules 6-8-pedales. Rami cum 
reliquis partibus glauci v. przeter pruinam glaucescentem purpurascentes. 
Stipule lanceolato-subulatee, caducissimee. Petioli limbum saepius paulo supe- 
rantes, teretes, glabri, virides v. purpurascentes. Folia profunde palmato-3-7- 
partita, nonnulla interdum, raro omnia, integra et lanceolata. Laciniz folio- 
rum circ. 10-15 cm. longe, 1-5cm. late, lanceolate v. lineari-lanceolate, 
subspathulatte, ambitu margineque integra, subtus glauce, supra fuscidulz, 
glabre v. subtus in costis minute puberule ; pagina inferior sub lente minutis- 
sime reticulato-rugulosa. Bracteze et bracteola parva, subulate, supra basin 
eximie articulato-deciduc. Inflorescentiarum rami primarii graciles, vulgo 3-5 
cm. longi. Flores preter apicem connectivi omnino glabri. Calyces feem. circ. 
10mm. longi, masculi 3-4 mm. zequantes, omnes basi retusi. Capsule circ. 
15 mm. longa, globoso-ellipsoidee, ruguloso-asperz. — In speciminibus 
cultis interdum occurrunt inflorescentiee parte mascula abortiva tantum pra- 
dite v. ea omnino destitute, brevius pedunculate, primo intuitu satis 
diverse. — In insula Mauritii (ex Bout. in litt.) plures coluntur forme hujus 
speciei, 1? caulibus et nervis foliorum rubellis, 2» caulibus et petiolis subvio- 
laceis, 3? petiolis inferne viridibus superne versus limbum crispulum rubel- 
lis, 4? radice alba levi. Insuper ludit : integrifolia, tota glabrescente, foliis 
omnibus integris oblongo-v. lanceolato-ovatis. 5 Locus natalis ignotus (Klein 
in hb. Willd. fol. 17923 pae: 3! an culta ex India orient. missa?). Folia simi- 
lia foliis integris quz subinde in M. Peruviana occurrunt, sed subglabra, et 
bractez anguste, subulate, exigue, haud comoso-exsertze. (v. s.) 
** Bractee subulate. Foliorum lobi medio dilatati. 
18. M. ngoMBoIDEA (Müll. Arg. in Linnza, vol. 34. p. 205), laciniis foliorum 
rhombeis medio plus minusve abrupte dilatatis apice longe cuspidato-acumi- 
natis, stipulis subulatis flaccidis subpersistentibus, racemis gracilibus multi- 
floris, bracteis lanceolato-subulatis parvis integris, floribus subcernuis extus 
