446 HISTOIRE DES PLANTES. 
GENERA 
I. LYTHREÆ. 
4. Lythrum L. — Flores hermaphroditi, regulares v. nunce irregula- 
res ; receptaculo cylindraceo recto, tenui submembranaceo, extus longi- 
tudinaliter 8-12-costato, intus disco tenuissimo, ad basin apicemque 
paulo erassiore, sæpius subnullo, vestito, basi æquali, haud calcarato v. 
gibboso. Sepala 4-6, summo tubo inserta, 3-angularia, valvata ; dentibus 
accessoriis totidem minoribus cum sepalis alternantibus erectis v.sæpius 
patentibus. Petala 4-6, cum sepalis alternantia sinubusque inserta, bre- 
viter v. vix unguiculata, æqualia v. raro (Anisotes) inæqualia ; superio- 
ribus 2 majoribus ; imbricata, corrugata (nunc 0). Stamina raro 5, 6 
(Anisoles), sæpissime petalorum numero 2-plo plura, 2-seriatim tubo 
receptaculi inserta; oppositipetalis brevioribus v. nunc sterilibus imper- 
fectis ; filamentis erectis; antheris basifixis, inclusis v. exsertis, introrsis, 
2-rimosis. Germen sessile, imo receptaculi tubo liberum ; disco minimo 
(v. 0) ; stylo terminali brevi v. elongato gracili, apice stigmatoso obtuso 
v. capitato vix 2-lobo. Ovula in loculis 2 (completis v. incompletis) , 
anatropa, 2-x -seriatim adscendentia. Fructus tubo receptaculi inclu- 
sus, Oblongus, membranaceus, 2-locularis v. ob septum incompletum 
1-locularis, septicide 2-valvis v. inæquali-ruptus; placentis demum 
subliberis. Semina œ, angulata v. plano-convexa lævia; embryonis 
exalbuminosi cotyledonibus crassis obcordatis, basi 2-auriculatis ; radi- 
cula brevi conica infera. — Herbæ v. rarius fruticuli, glabri v. tomen- 
{osi; ramis A-gonis v. subulatis: foliis oppositis v. verticillatis, nunc 
alternis, oblongis v. linearibus integris; floribus axillaribus, solitariis 
v. sæpius in racemos spicasque bracteatas glomeruligeras terminales, 
raro ramosas, dispositis. (Orbis tot. reg. temp.) — Vid. p. 126. 
e Pleurophora Dox ‘. — Flores fere Lythri; receptaculi tubo sub- 
cylindrico. Sepala 5-7, æqualia, valvata; dentibus accessoriis alternis 
1. In Edinb, New Phil. Journ., XIE, 412.— ENDL., Gen., n, 6150.— B. H., Gen., 779,n. #8. 
