368 GYPERACE^ Cyperus. 



insequalibus apice dense corymboso-spicalis, involucri phyllis longio- 

 ribus umbellam longe superanlibus, spiculis in spicas oblongo-cylin- 

 dricas dense congeslis patenlibus oblongo-lanceolatis subcompressis, 

 glumis arctissime imbricatis ovato-ellipticis stramineis carinEl virenti 

 in mucronem excurrente, rachide non alata, sligmate bifido rarius 

 trifido, nucula gluma plus duplo minore obovata biconvex^ mucro- 

 nata vel (in forma stylo trifido) triquetra %. C. dives Del. FI. Eg. 

 p. i25,tab. 4. fig. 3. 



Hab. ad canales et lacus Egypti inferioris ad Alexandriam (Gailll Le- 



tourn !), Rosettam (Sieb !), Damiatam(Ehr!), iEgyptum mediam (Schweinf !). 



Ar. Geogr. Insulse Canarienses, Nubia, Abyssinia, India, Nova Hollandia. 



12. G. pygmeus (Rottb. Descr. 20, tab. XlV, fig. 4) annuus 

 cespitosus pygmeus, culmis erectis vel diffusis foliis linearibus acu- 

 minatissaepe superatis,spiculis numerosisin capitulum globosum sim- 

 plex vel compositum involucri phyllis longe superatum congestis 

 brevibus oblongo-lanceolatis compressis muUifloris, glumis arcte 

 imbricatis oblongo-lanceolatis 5-7-nerviis praeler carinam viridem in 

 raucronem subsquarrosum attenuatam albo-hyalinis, stamine saepius 

 unico, stylo bifido (rarius trifido), nucula oblonga utrinque attenuata 

 laevi facie plana dorso convexa (interdum si stigmata tria triquetra) 

 gluma duplo breviore O, C. Michelianus Del. III. N" 84 non L. — 

 C. diffusus Roxb. — Bichostylis pygmea Nees. 



Hab. in limosis et arenosis exsiccatis, Anatolia ad Magnesiam (Bal. exs- 

 sub Sc. Michetiano), Syria littoralis (Bll), Egyptus inferior, media et superior 

 (Del. Sieb ! Boiss ! Kral ! etc), Mesopotamia et Babylonia (Noe ! Hausskl), 

 Persia australis (Haussk !). 



Valde affinis et sfepe confusus cum Scirpo Micheliano qui (cl. Gosson Expl. 

 Alg. p. 53 indicante) distinguitur glumis tri nec 5-7-nervii8 irregulariter nec 

 distiche imbricatis. C. pygmeus stylo interdum trifido transitum ad Eucype- 

 rum prtebet. 



Ar. Geogr. Africa borealis et tropica, India orientalis. 



Sect. II. EUCYPERUS. 



' Spiculae rachis angulata vel marginata, non alata. 



13. C. schaenoides (Griseb. Spic. Rum. 421) glaucescens, rhi- 

 zomate longe repente, culmis teretibus crassiusculis erecto-subincur- 

 vis basi vaginatis et foliatis, foliis rigidisincurviscarinato-canaliculatis 

 culmum aequantibus vel superantibus, spicularum glomerulis sessi- 

 libus in capitulum magnum globosum compactum congestis, involucri 

 phyllis 3-4 iriaequalibus basi dilatatis horizontalibus capitulo multo 

 longioribus, spiculis pumerosis ovato-oblongis compressis obscurius 

 distichis, glumis ferrugineo-castaneis late ovatis carinatis tenuiter 

 multinerviis carina excurrente mucronatis iuferioribus 1-2 majoribus 

 sterilibus, rachide non alata, stigmatibus tribus, nucula gluma triplo 



