32 ARKIV FÖR BOTANIK. BAND 13. NIO 3. 



^J Stirps (XVI) X. eriophyllcB p. 79. 



$ $ Scapi subteretes (ssepe bico- 



stati), vulgo circiter 1 mm 



lati. Folia acuta — obtusius- 



cula. 



-^ Folia lata (5 mm v. ultra), laevia. 



' o Folia 35 — 40 cm longa, scapo paullulo 



tantum breviora, acuta. Sepala late- 



ralia libera. — — — — — 



Stirps (XIX) X. longifolice p. 82. 



oo Folia 10 — 16 cm longa, tantum quar- 

 tam partem scapi aequantia, obtusa. 

 Sepala lateralia postice connata. — 



— — — X. longiscapa (species recedens in stirpe X. trachy- 



phyllce) — — p. 89. 



^ * Folia angustiora (latissima usque 4 mm 

 lata et transverse rugulosa). 



t Bracteee intermedise spicse 



subnitidse, 6 — 7mmlongse. 



(Sepala lateralia libera.) 



p Caespitosa, Isete viridis. 



Spica 7 — 10 mm longa, 



, 3 — 4 mm crassa, brac- 



teis infimis obtusis. — 



— — — X. vacillans (species recedens in stirpe X. trachy- 



phyllce) — — p. 89. 



fjp Bulbosa, glaucescens. 



Spica 8 — 10 mm longa, 



4 — 6 mm crassa, bracteis 



infimis mucronatis. — 



I/ — — — Stirps (XVII) X. graminoscB — — — — — p. 79. 



tt Bractese intermediaeopacse, 

 tuberculatse, 8 — 10 mm 

 longae, rarissime breviores. 

 (Sepala lateralia ssepe po- 

 stice connata.) 



Stirps (XX) X. trachyphyllce — p. 82. 



ßßß. Sepala lateralia apice nuda, ala carinali nuda, 

 ciliato-scabrida v. serrulato-ciliata. 



+ Folia teretia v. leviter complanata, tantum 

 usque 1 mm lata. 



