__ Zi8 _ 



rarius linearibns. Pedunculi peliolis foliorum dissitorum 

 innati v. ex axillis foliorum, in caulem alternifolium junc- 

 torum — et spatha communi praediti ; flores monoclini, 

 ebracteolati, solitarii, spicati v. corymbosi, perigonio corollino, 

 tubuloso, irregulari <; , limbo 6-mero, novello spii-aliter con- 

 volutivo ; staminib. 6-5, inaequalLlDUS , perigynis, antheris 

 normalib. basifixis. Ovarium lilDerum, triphyllum, 1 -3-loculare, 

 synstykmij ovulo unico, pendulo et locuhs 2 vacuis — v. 

 ovuhs co , erectis anatropis. Capsula induviata , 5-locularis , 

 locuhcida, — v. utriculus monospermus, basi perigonio ad- 

 natus ; semina* teretia striata ; embryo albumini farinaceo 

 subaequilongus : — Pontederia , Eichhoriiia , Monochoria , 

 Heteranthera. 



F A M. 61. M E L A N T H I A C E iE s. VERATRACE^. 



Herbae caudice -\ notalDih , quibusdam bulboso v. 



tuberoso , scapigerae , exscapae v. caulescentes, foliis imis v. 



caulinis, alternis, angustis v. latis, nervosis, integeiTimis, -i 



vaginantibus. I^forc^y mono-diclini, caudicales, cymosi pauci v. 

 in spicas simplices v. compositas congesli : perigonio regulari, 



hexamero, -\ dimorpho, dialy-symmero, lobis basi passim 



nectariferis, novellis induplicatis v. sepalidiis valvatis. Stamina 

 6 (raro (9-12), antheris dorsifixis, extrorsis, bilocularibus, lon- 

 gitrorsum dehiscentibus v. suljunilocularibus et campyloschizis, 

 rarius primitus v. demum introrsis. Ovarium liberum, jviro 

 subinnatum, e folliculis 5 (i-aro 1) antesepalinis, immediate 

 connatis, ovulisco, bi-pluriseriatis, raro geminis, ana-campylo- 



tropis ; styli 5, h connati. Capsula 3- follicularis, tripar- 



tibilis et suturis ventralibus superne hians, poly-ohgosperma, 

 raro locuhcida v. unifollicularis ; semina giob., angulata v. com- 

 pressa, micrembrya, testa tenui, album. carnoso v. cartilagineo. 



a. Toffieldiece : junciformes, spica simplici , perigonio 

 brevi, passim calyculato , antheris bilocul. introrsis, semin. 

 apteris : — Tof/icldiaj Plcca. 



