490 HISTOIRE DES PLANTES, 
GENERA 
[. ŒNOTHEREZÆ. 
1. OEnothera L.— Flores hermaphroditi regulares ; receptaculo tubu- 
loso v. clavato, nunce longe lageniformi, intus germen adnatum fovente 
superneque ultra ejus apicem aut vix v. minime (Godetia, Eulobus, Sphw- 
rosligma), aut longiuscule v. longe producto ibique eylindrico v. obco- 
nico et ad marginem superiorem perianthium staminaque gerente. 
Sepala 4 (quorum lateralia 2), valvata, decidua. Petala 4, alterna, ses- 
silia v. vix unguiculata, obovata v. obcordata ; præfloratione torta. Sta- 
mina 8, 2-serlata, quorum oppositipelala sæpius breviora ; filamentis 
liberis; antheris introrsis, 2-rimosis, brevibus v.sæpius elongatis. Germen 
inferum, disco epigyno tenui (v. 0), nune crassiuseulo coronatum ; lo- 
culis 4, oppositipetalis, completis v. incompletis ; stylo gracili, apice stig- 
matoso globoso v. elongato, integro, 4-1obo v. 4-parlito; lobis elongatis. 
Ovula in loculis æ,subhorizontalia v. adscendentia, 1-2-seriata, anatropa. 
Fructus erectus v. nune refractus (Ewlobus), capsularis, coriaceus v. sub- 
lignosus, oblongus v. clavatus, 4-gonus v. polygonus, costatus v. nunc 
lte 4-alatus ; alis verticalibus dorsalibus ; 1-4 locularis, superne v. per 
totam longitudinein 4-valvis; valvis loculicidis, medio intus sepüferis et 
a columella seminigera solutis ; nunc evalvis. Semina +, sæpe nidulantia, 
nuda v. ad chalazam appendiculata; testa nune (Blennoderma) mucosa ; 
embryone exalbuminoso carnosulo. — Herbæ v. raro suffrutices fruti- 
culive ; folis alternis, sessilibus v. petiolatis, integris, dentatis, lobatis 
v. pinnatifidis; floribus ad folia v. ad bracteas summai ramuli axillaribus, 
sessilibus v. pedicellatis, solitariis v. rarius 2-nis paucisve. (America calid. 
et temp., Tasmania.) — Vid. p. 58. 
2? Gayophytum A. Juss. — Flores (fere Œnotheræ) parvi v. minimi; 
tubo receptaculi ultra germen haud v. vix producto. Sepala peta- 
D ne mr à 2 in co Éd op LR os ES 
+ Sd ti 
