129 XVII. BIXINEZE, 
Onpo XVII. BIXINEZ. 
Endl, Gen, 917; FracounTiAcEx, Lindl. Veg. Kingd. 327; PaworAcEz, Lindl. Veg. Kingd. 323; 
CocnrosesRwEX, Endl. Gen. 1017; Lindl. Veg. Kingd. 350. 
Flores regulares, hermaphroditi v. unisexuales. Sepala 2-06, scepius 4-5, imbrieata, rarius 
subvalvata v. in ealycem irregulariter rumpendum coalita, demum reflexa v. decidua. 
Petala 0 v. tot; quot. sepala, v. oo imbrieata v. contorta, decidua. Stamina hypogyna v. vix 
subperigyua, indefinita v. rarius definita; antherce 2-loculares; loculis rima v. rarius poro 
apicali dehiscentibus. —T'orus spe glandulosus, incrassatus, v. in diseum glandulosum 
v.eglandulosum expansus. Ovarium liberum, l-loeulare v. rarissime in loculos divisum ; 
placente 2-oo rarius l, parietales, lineares v. dilatatwe v. plus minus in cavitatem intro- 
misse. Styli seu stigmata tot quot placentze, in unum coalita v. plus minus soluta, Ovula 
2-oo in quaque placenta, amphitropa v. anatropa, uctus carnosus v. Siccus, in valvas 
medio placentiferas dehiscens v. indehiscens. Semina vulgo pauca, nunc arillata v. extus 
pulposa; albumen carnosum, rarius tenue. Embryo axilis, rectus v. incurvus; radicula hilo 
proxima ; cotyledones latze, ssepius cordatze. 
Arbores v. frutices, Folia alterna, simplicia, dentata v. rarius integerrima. Stipulm 
minutz, caducs, v. 0. Flores axillares v. terminales, solitarii v. sepius fasciculati, corym- 
bosi, racemosi v, paniculati. 
Species ad 160, per regiones calidiores precipue tropicas utriusque orbis disperse. 
Bixinee normales polyandre differunt à Capparideis seminibus albuminosis, a Cistineis ovulis 
non orthotropis, a Tíliaceis ovario l-loculari placentis parietalibus, a Saziydaceis zegre sep tur 
petalis dum adsint non sepaloideis et staminibus vix perigynis, a Passifloreis frutescentibus corona. 
nulla. Violariee ceterum valde affines differunt a Bixineis oligandris antheris cirea ovarium conni- 
ventibus connatisve, Canellacez antheris circa columnam extrorsum adnatis. 
FORM/E ABNORMES, 
Folia palmatim lobata v. eomposita in CocMospermo et Amoreuxia ; hine inde lobata in Ludia, 
ApÀloia et Pangio. 
Sepala subvalvata in Peridisco, Azara, Scolopia ; in ealycem primum clausum demum varie de- 
hiscentem coalita in Pangieis plurimis. 
Petala desunt in Eyania, Letia, Ludia, Apoia, Peridisco, Azara, et in Euflacourtieis plerisque, 
Squam:e petaloidee intus petalis antepositze v. adnatze in Pangieis, petalis alternze in Rawsonia. 
Stamina definita v. subdefinita in A4zarce specie una, in Erythrospermo, Bergsmia, Trichadenia, 
et Hydnocarpo. 
Antheree poro apicali v. rimis brevibus dehiscentes in Cochlospermo, Amoreuzia, et Biza. 
Diseus plus minus promi , glandul v. eglandulosus, stamina ferens v. subexterior in Fla- 
courtieis plurimis; glandulas stipi in Bennetia; intra stamina hypogynus in Ryania ; 
annularis et ovario adnatus in Peridisco, 
Ovarium in loculos perfecte divisum in Fllacourtia, Amoreuzia, et in Cochlospermis nonnullis. 
Styli v. styli rami 2-fidi lobis laciniatis in Dendrostyli, ot, brevius 2-fidi in Oncobe specie aliisque 
paucis. 
Semina cochleata, extus gossypina, in Cochlospermo. 
Albumen tenue in A4pA/oia et forte in Ludia, 
CONSPECTUS GENERUM. 
Tribus I. Bixes. Flores hermaphroditi v. rarius polygami. "Petala ampla, esquamata, con- 
torta. Anthere lineares v. oblongz, apice 2-poros: v. breviter 2-valves. Capsula valvatim dehis- 
cens; endoearpio membranaceo, solubili, 
l. CocuroseeRMvM.  Placente in cavitate prominentes v. plus mimus connatm. Capsula 
3 valvis. Semina cochleata, pilosa v. lanata. Folia palmatifida v. digitata. — Orbis uterque 
inter trop. 
2. AwoREUxIA. Ovarium et capsula 3-locularia. Semina Tecta v, vix incurva, nuda. Folia 
palmatifida. — 4er. trop. ct Mexico. 
