316 Cyperaceae. 



seinitereti-canaliculatis, locHloso-fistulosls*), basi vagi- 

 nifcris; spicis long^e pednnculatis, interruptis. 



P. marinuni Linn. Spec. 184. Flor. Dan. t. 186. 



P. setaceum Schumach. Saell, 51. 



P. filiforme Pers. Synops. 1. 152. 



In arenosis lacuum et in fluviis non infre- 

 quens. (Te{jclcr Sec, Havel.) Floret aestate. 2|. 



Fructus oblique obovati, subsemiorbiculares, com- 

 pressi, siccati dorso carinali. (Koch.) 



CYPEPiACEAE Juss. 



Flores hermaphroditi vel diclines, nudi vtl ca- 

 lyce instructi, singuli squama (bractea) stipati, in 

 spicam (spiculam auct.) niulti-, pauci- vel 1-floram 

 congesti, distichi vel undique dispositi; inferiores 

 saepe nonnisi ad squamara vacuam redacti. Calyx, 

 ubi adest, rudimentarius: sepala 6, interdum phira, 

 rarius abortu pauciora, sctiformia, splnuloso-scabra 

 vel plumosa, nonnunquara tenuissiraa, capillaria, in- 

 terdum cx 6 nunc orania nuuc nonnisi 3 altcrna squa- 

 mulaeformia. Stamina 3, sepalis totidem exteriori- 

 bus opposita, rarius pauciora vel plura. Filamenla 

 post anthesin elongata, interdum longissima, plerum- 

 que persistentia. Antherae biloculares, basi affixae, 

 apice indivisae, plerumque lineares. Ovarium 1-ovu- 

 latum, ad basim interdum disco cinctum. Ovulura 

 erectum, rhaphi longitudinali instruclum. Stjli 3, ra- 

 rius 2, plerumque infcrnc magis minusve connati, ra- 

 rissime apice bifidi. Fructus (achenium) 1-spermus, 

 non dehiscens, lenticularis , plano-convexus, trian- 

 gularis, cylindraceus vel globosus, per stylorum ba- 

 sim concretorum plerumque terminatus vel raris- 

 sime plane obtectus; in Caricinis (ubi spica feminea 



•) Folia transverse venosa secundiwn Merl. et Koch. 



