242 CYPERACEiE. Carex. 



thium 1-phyllum, capsulare, basi muticum, ore coarctato, 

 persistens. Stigmata 2 — 3. Nux perianthio aucto in- 

 clusgfcj 

 Obs. Genera affinia hujus ordinis praesertim Diplacrum et 

 Kobresia. naturam veram Nectarii v. Arilli auctorum do- 

 cent, quae insuper probata est arista interiore Unciniae et a 

 specimine Caricis acutae L. in Herbario D. Turner viso, 

 in quo nectarium (perianthium a nobis dictum) stamina 

 includit absque vestigio pistilli. 



I. Spica composita, androgyna ; spiculis sessilibus. 



1. C. inversa, spiculis ovatis approximatis 2 — 3 involucratis 



basi masculis, squamis acuminatis, stigmatibus 2, fructi- 

 bus plano-convexis : acumine bidentato. (J.) v. v. 



2. C. chlorantha, spica oblonga, spiculis (5 — 6) approximatis 



indivisis bracteam scariosam subsequantibus apice mas- 

 culis, squamis acutis, stigmatibus 2, culmo foliisque sca- 

 bris. (J.) v. v. 



3. C. appressa, spica decomposita subelongata : partialibus 



appressis : inferioribus distinctis, spiculis ovatis apice 

 masculis, squamis acutis, fructibus ovatis plano-convexis 

 utrinque nervosis : marginibus extrorsum denticulatis. 

 (J.) v. v. 



II. Spicce androgynce, pedunculatce . 



4. C. gracilis, spicis numerosis pedunculatis apice masculis : 



inferioribus 2 — 3-nisve remotiuscuUs parum divisis, fruc- 

 tibus striatis. (J.) v. v. 



5. C. longifolia, spicis cylindraceis pendulis indivisis: pedun- 



culis capillaribus ; lnferioribus 4— 5-nisve ; superioribus 

 3 — 2-nis solitariisve, fructibus nervosis. (J.) v. v. 



III. Spiccesexu distinctcc, mascula unica. Bractecc foliacece. 



6. C. Ireinculmis, vaginis abbreviatis pedunculos subaequanti- 



bus, spicis femineis 2 — 3 approximatis oblongis, mascula 

 cylindracea gracili, squamis cuspidatts, fructibus ovalibus 

 acuminatis attenuatis pubescentibus, foliis culmo longio- 

 ribus. (J.) v. v. 



7. C. cutaractce, spicis Femineis ovatis : superioribus 2 — 3 



confertis subsessilibus, vaginis abbreviatis : infimaa (dum 

 ternae) remotae pedunculo vaginam mediocrem superante, 

 squamis obtusis, fiuctibus ovatis rostratis nervosis, culmis 

 l«vibus, ioliis margine scabnusculis. (D.) v.v. 



8. C. stria* 



