€rotone(e.] CLI. EUPHORBIACE^. 305 



petaliferi, Fl. ^ ; Calyx o-partitus, valvatus. Petala 5. Diaci glandulte 5, petalis 

 alternte. Stamina 10, 2-seriata, basi breviter connata, seriei exterioris petalis opposita ; 

 antheree oblongse, dorsifixje, loculia staminum exteriorum introrsnitij interiornm extrorsum 

 contigiiia parallelis longitudinal iter dehiscentibus. Ovarii rudimentum 0. Fl. J : Sepala 

 imbricata. Petala 5. Discus membranaceus, cupuliformis. Ovarium 3-loculare ; styli 

 basi connati, 2-fidi. Fructus . . . — Frutex inflorescentia pubescente excepta glaber. 

 Folia altema, petiolata, lata, integerrima, firme membranacea, 3-5-nervia. Racemi tenues, 

 terminales, simplicea, Flores utriusque sexus sub quaque bractea terni, breviter pedicellati. 

 Bractej© basi grosse 2-glandulosee. (Char, ex Balll.) 



Species 1, Madagascar! en sis, a nobis non visa. Mucll. Arg. in DC. Prod, xv. ii. 728. 



100. Crotonogryne, MtielL Arg. in Flora, 1864, 535, et in DC. Prod. xv. ii. 720.— 

 Flores dioici, petaliferi. Fl. ^ : Calyx in alabastro globosus, clausus, per anthesin irregu- 

 lariter in valvaa 2-3 ruptus. Petala 5, calycem sequantia v. superantia. Stamina oo 

 (15-20), receptaculo valde elevate crasso affixa, filamentis brevibus liberisj antliera; 

 erectse, loculis parallelia longitudinaliter dehiscentibus. Ovarii rudimentum 0. Fl. $ : 

 Calyx 5-fidus, lobis angustis. Petala maris. Ovarium 3-loculare; styli 2-pai-titi, ramis 

 linearibus indivisis (v. 2-jadis ex Muell. Arg.); ovula in loculis solitaria. Capsula in 

 coccos 2- valves dissiliens, endocarpio crustaceo. Semina . . . — Frutex elatior, indumento 

 sparso lepidoto. Folia alterna, ampla, integerrima, pennivenia, petiolo brevissimo, 

 limbo basi 2-glanduloso. Flores secus pedunculum elongatum axillarem v. lateralem 

 diatantes, ^ parvi, glomerati, subaessiles, $ paullo majores, sparsi, pedicello rigido fulti. 



Species 1, Africae tropicse incola, in speciminibiis perfection bus ulterlus examinanda. 



110. Chrozophora, NecJc. Elem. ii. 337. (Crozophora, A. Juss. et Auci. recent. Tour- 



neaolia. Scop. Introd. ex Muell, Arg. Lepidocroton, Fresl, Epimel. Bot. 213.)— Flores 



monoici, petaliferi. Fl. 3 : Calyx in alabastro ovoideus v. globosus, clausus, per anthesin 



valvatim 5-partitu3. Petala 5, calyci sequalia v. breviora. Discus inconspicuus. 



Stamina 5-15, filamentis basi in columnam connatia plus minus distincte 1-3-verticillatis ; 



antherse oblongoe, erectse, basi v. dorso paullo altius aflaxse, loculis parallelis contiguis 



longitudinaliter dehiscentibus. Ovarii rudimentum 0. Fl. $ : Calycis aegmenta angiista. 



Petala angusta, interdum parva setacea v. 0. Glanduloe petalis alternai, lativ, breves, 



parum prominulaj. Ovarium 3-loculare; styli erecti v. demum patentes, sa3pe crassi, 



2-fidi, ramis indivisis ; ovula in loculis solitaria. Capsula subcarnosa, tridyma, in cocco.s 



2-valves diasiliena, Semina ecarunculata, testa nitida v. tuberculoso-aspera ; albumen 



camoaum ; cotyledonea latre, planje. — Herbse ramosissimse, ssepius diffus£e, rudes, rarius 



suffrutescentes, indumento stellato-tomentoso v. hispido. Folia alterna, ssepius undulato- 



dentata et plicato-rugosa. Racemi breves, densi, in axiUis superioribus sessiles. Flores 



sub bracteia solitarii, ^ in parte superiore conferti breviter v. breviasime pedicellati, 



$ ad basin pauci longiua pedicellati, pedicello interdum elongato 2-floro. Capsuli-e 

 hispidie tuberculatse stellato-tomentosse v. lepidot*. 



Species emimeratse 6, in herbariis valde confusse, nonnullse revidenJse et furte iteram divideuclEe v. 

 reducendae, regionis Mediterrane?e et Asise et Africa; tropicse incolae. Micell Arg, in DC. Prod. xv. 

 ii. 746. A, Juss. Euph. Tent t. 7. Baill. Etud, Euph. t. 15. Nees, Gen. Fl. Germ. Monochl. n. 

 37. Beichb, Ic. FL Germ. t. 152. Sihth. Fl. Gr<ec. t. 950, 951 {Croton). Delile, Fl. Egypt, i. 51 

 {Croion), Vis. PL JEq. ac Sub. t. 7. Schweinf. PL NUot, t. 3 ad 6. 



Genua a Baillono, Hist. PI. v. 181, cum Argithamnio et Caperonia sub nomine Tour/icsoh'f^ 

 jungitur, cui ^gre assentiri possumus. Genera affinia quidem, sed nobis txim liabitu et patria 

 quam characteribus bene definita videntur. Nomen, a xp<^(<^ v. xp^s derivatum, Necker rito 

 Chrozophora scripsit, et forte lapsu calami postea in Crozophora mutatum fuit. 



111. Speranskla, BaiU. Etud. Euph. 388.— Flores monoici, petaliferi. Fl. t? : Calyx 

 membranaceus, in alabastro globosus, clausus, per anthesin valvatim fissus. Petala 4-5, 

 brevia, lata, rotundata, basi contracta, crassiuscule squamiformia. Glandulje inter 

 petala minuta. Stamina go (10-15), receptaculo convexo affixa, filamentis liberia; 



VOL. III. 



