Schcenus. gyperace.e 30S 



1. Sch. nigricans (L.Sp. 1)4) dense cespitosus, rliizomate brevi 

 horiEontali, culmis rigidiselatisteretibus basi foliosis etvaginis nigris 

 nitidis foliorum emarcidoriim cinctis, foliis ex vagina ]a!a subcarinato- 

 compressa canaliculato-filiformibus rigidis dimidium culmum acquan- 

 tibus, spiculis 5-10 lanceolatis compressis J-8-floris in capitulum 

 terminale congestis, bracteis binis capitulum involucrantibus a basi 

 dilatata subulatis inferiore capitulum superante, glumis distichis 

 castaneo-nigrislanceolatis cymbiformi-carinatis, stylo trifido, nucula 

 alba laevi nitida trigona, setis 3-5 minimis vel saepius nullis %. Nees 

 Gen. Germ. Ic — Rchb. Germ. fig 679. — Chopiospora nigricans 

 Kunth. 



Hab. in turfosis et arenosis humidis totius ditionis aGrseci^I et Cretal ad 

 Ariatoliam ! Syriam et Paiestinam ! Arabiam petream (Bove ! Schimp. ! sub 

 iS. ferrugineo}, Egyptum in Oasi magna, (Schweinf I), regionem Caucasicam I 

 Persiam borealem (Bge !). 



Ar. Geogr. Europa media et australis ab Anglia et GothiA ad Rossiam 

 mediam, Africa borealis. 



2. Sch. ferrugineus (L. Sp. 64) cespitosus, rhizomate brevi, cul- 

 mis gracilibus rigidis terelibus basi foliosis et vaginis nigris foliorum 

 emarcidorum vestitis, foliis a vagina carinato-plicata subulatis culmo 

 multo brevioribus, spicuMs 2-3 in fasciculum sublateralem dispositis, 

 bractea involucraii a basi dilatata altenuata spiculis subpequilonga, 

 glumis distichis lanceolatis nigricantibus acutis, stylo trifido, nucula 

 alba Isevi nitidd trigon^, setis 3-5 nucula longioribus %. ClKvlospora 

 ferruginea R. Br. — Rchb. Germ. fig. 676. — Streblidia ferru- 

 ginea Link. — Nees Gen. Germ. Ic. 



Hab. ad aquas, in ThraciA ad aquas calidas Banja (Friv. ex Griseb.) sed 

 e ditione nondum vidi. 



Ar. Geogr. Europa borealis et media a ScandinaviA ad Rossiam borealem, 

 Galliam in montanis et alpinis, Italiam borealem, Transylvaniam. 



Tr. IV. GARIGE^ 



Flores unisexuales. 



KOBRESIA (Willd. Sp. IV, p. i05). 



Spiculffi in spicam terminalem compositam condensalje, muItiflorf£ 

 androgynse apice masculce. Masc. Stamina tria ad gluniae basin. Fefn. 

 Perigonii ioco squamulae duo intra glumam germen ampleclentes, 

 Stylus unicus. Stigmata tria. Nucula obtuse trigona. — Ilerb.T peren- 

 nisfacie Caricis festivcB et ciirvalx. Flos jnferior spiculee interdum 

 rudimento pedicelliformi instructus. 



1. K. caricina (Willd. Sp. IV. 206) cespitosa, radice fibrosa, 

 foliis firmis tenuibus canaliculatis acuminalis, culmo rigidulo foliis 



