240 NOUVELLES ARCHIVES DU MUSEUM. 



Spica ovata, densa ; rostrum bidentatum ; squamaî stolo- 

 num in fibras solutae C. arenicola Fr. Schm. 



ff Xerophileevel rupestres. 



Squamse fulvse, margine late hyalinfe ; culmi recti C. stenophyUa WahL 



Squamœ fuscœ, margine anguste hyalinae; culmi incurvi. C. incurva Lighf. 



C, — Spiculae omnes (vel saltem superior) inferne masculœ ; spicula superior raro tota 



mascula. 



a. Stylus bifidus. 

 -J- Bractea spicse muUca, nunc breviter aristato-setacea. 



1. Spiculœ tantum 2-4. 



* Spica densa, ovata, spiculis omnibus contiguis. 



Spica pallide virens ; utriculi praesertim dorso obscure nervati ; 



folia plicata C. tenuiflora Wahl. 



Spica pallide virens; utriculi utraque facie valide nervati ; folia 



plana C. pseudololiacea Schm. 



Spica albescens ; utriculi utraque facie valide nervati ; culmi 



elongati C. arrhyncha Franch. 



• * Spica oblonga vel linearis, spiculis omnibus (vel saltem infima) 



discretis. 



Squamse pallidse vel albidee ; utriculi obtusi; spicœ omnes discretse. C. loliacea L. 



Squamae et spicae omnes discretae ut in prsecedenti ; utriculi acuti.. C. macilenta Fries. 



Squamae fusco-fulvœ ; culmi filiformes, decumbentes C. glareosa Wahl. 



Squamse fusco-fulvœ ; culmi graciles, recti C. lagopina Wahl. 



2. Spiculœ plus quam 4, discretse. 



• Spiculae 4-5. 



Spiculse parvse, ovatse ; utriculi ovati, 2 mm. longi, brève rostrati. C. vililis Fries. 

 Utriculi lanceolati, 3-4 mm. longi, e medio attenuali in rostrum 



elongatum C. echinata Murr. 



Utriculi lanceolati, 4-5 mm. longi, infra médium in rostrum atte- 



nuati C. omiana Fr. et Sav, 



* * Spiculse 6-15. 



* Spiculse omnes discretae vel pro parte discretae. 



Utriculi breviter acutati; squamse hyalinse, pallidae C. canescens L. 



Utriculi breviter acutati ; squamse fusco-fulvse C. nemurensis Franch. 



Utriculi longe attenuato-rostrati, ala angusta cincti, ad maturi- 



talem patentes C. calcitrapa Franch. 



Utriculi longe attenuato-rostrati, ala lata cincti, ad maturitatem 



erecti C. lagopodioides Schk. 



Utriculi brève attenuali ; axis spicse flexuosus ; spiculae omnes 



remotae C. traiziscana Fr. Sch. 



