nee Enr 
LYTHRARIACÉES, L57 
ptaculo insertis; antheris 2-dymis, introrsum 2-rimosis. Germen imo 
receptaculo immersum, liberum, 1-5-loculare ; septis nune evanidis ; stylo 
erecto, graeili v. crassiusculo, ineluso v. exserto, apice stigmatoso capitato 
subintegro v. obtuso. Ovula in loculis œ, sæpius œ-seriata. Fructus 
receptaculo eimctus, inclusus v. exsertus, capsularis, septicide v. septi- 
frage dehiscens, nune irregulariter ruptus. Semina œ, parva angulata ; 
embryonis exalbuminosi cotyledonibus erassis, orbiculatis v. elipticis, basi 
sæpe auriculatis; radicula brevi recta. — Herbæ plerumque parvæ, 
nunc humiles, sæpius annuæ, nunc aquaticæ; caule sæpius 4-gon0; 
foliis oppositis v. verticillatis, raro alternis, integris ; floribus parvis 
axillaribus, solitariis v. cymosis glomerulatisve, plerumque paucis. (Orbis 
totèus reg. calid. et temp.) — Vid. p. 137. 
22, Rhyacophila Hocusr. — Flores fere Armantie, l-meri; recepta- 
culo campanulato. Sepala 4, valvata; dentibus accessortis totidem parvis 
(v. 0). Petala 4, oblonga, majuscula (Hydrolythrum) v. minuta. Sta - 
mina 4 (Ammaniæ). Germen 2-loculare, œæ-ovulatum ; stylo brevi, apice 
stigmatoso capitato. Diseus hypogynus brevis v. majusculus (Hydroly- 
thrum) inæquali-lobatus. Capsula seminaque et embryo Ammame. 
— Herbæ parvæ aquaticæ ; foliis verticillatis crebris linearibus; floribus 
in racemos terminales basique nudatos dispositis; bracteis bracteolisque 
angustis v. setaceis, nune cum flore plus minus adnatis elevatisque. 
(India, Abyssinia.) — Vid. p. 410. 
