spa(li«'(Mi - liisi MC : iilriciili s(|ii;iiii:is oMiliis obliisiilsculas 

 SUpcriiiito.s: <\ fcstiid \) rw. 



Spiculao in spicain oblongo-ovnlaiii iipproxiinalac, l'iilvo-hnm- 

 iirat' ; ulriculi sqiiainas laiiceolalas aculas v. acimiirialas 

 accniaiili's. 36 



36. Spiciilac siiltrolmido-clliplicac sul)-(i; squamae femincae aciitac: 



C leporina L. 

 Spiiiilac liiU'ari-liMiccolalac 7 -12; squainae fern, at-uniinatae : 



C. sicula T i n. 



37. Ulriculi ovali \. (>lli|)li('i , sqiianiac ferrugineao. 38 

 LMriciili lanceolali; squaniae j)alli(lac: C. brizoidesL. 



38. LÜriculi ovali. 39 

 IMriiiili (Mli|)lici: C. ligerica Gay. 



39. Spic'uiae 3 — 7, omnes plerunique basi masculac: 



C. Srhreberi Schrank. 



Spiculac superioros siib-lO masculao, inlcrniedia basi feniinea, 



inferiores sub-3 ex loto femineae : C. repens Bell. 



40. Rhizoma longe repens. 41 

 Rhizoma caespilosuin v. parce repens. 50 



41. Spiculae spicain ovalo - oblongam v. lanceolatam lobafam, 



saepius intrrruplam fornianles; ulriculi niargine alalo 



cincli. 42 



Spiculae spicam ovalam, oblongam v.subglobosnm capituliformem 



fornianles; ulriculi haiul alalo-marginali. 43 



42. Ulriculoruiu ala tenuis a basi fere incipiens ; squaniae acutius- 



culae: C. disticha Huds. 



Utriculoruni ala lalior infra medium incipiens; squamae acu- 



niinalae: C. arenaria L. 



43. Folia plana. 44 

 Folia canaliculata v. convoluta. 47 



44. Inflorescenlia subglobosa densissima; ulriculi in rosirum 



longiusculum acuininali: C. foetida Vill. 



Inflorescenlia ovalis v. oblonga minus densa; ulriculi breviter 



rosirati. 45 



45. Ulriculi plus minus dislincle nervati. 46 

 Ulriculi plane enerves : C. microstyla Gay. 



46. Ulriculi ovales: C. chordorrhiza Ehrh. 

 Ulriculi ovali-orbiculati: C. dicisa Huds. 



47. Inflorescenlia ovala v. ovato-oblonga. 48 

 Inflorescenlia subglobosa: C. incurca Lightf. 



48. Squaniae aculae v. aculiusculae ulriculos aequanles. 49 

 Squamae oblusissimae utriculis duplo breviores: 



C. arctica Dei nb. 



49. Culmi firmi; utriculi ovati breviler rosirali : 



C. stenophylla Wahlbg. 



Culmi filiformes, graciles; ulriculi ovato-lanceolali elongato- 



rostrati; rostrum breviter bidentatum: C. setlfolia Godr. 



