36 ARKIV FÖR BOTANIK. BAND 13. N:0 3. 



lacerato-f imbriata, sem- 

 per libera. (Vulgo bul- 

 bosee.) • — — — — — 



— — — Stirps (V) X. hymenachnes p. 54. 



pp Sepala lateralia tantum 

 superne fimbriata v. 

 dentata, ssepe postice 

 alte connata. (Vulgo 

 csespitosae.) 



Q Sepala lateralia su- 

 perne serrulato-fim- 

 briata. (Folia 1,5 — 

 3 mm lata.) — 



— — — X. Icevigata & X. glandacea (species recedentes in 



stirpe X. tracfiyphyllce) — — p. 88, 89. 



?? Sepala lateralia su- 

 perne parce lacerato- 

 dentata. (Folia 1 — 

 1..5 mm lata.) — — 



— — — X. Columbiana (species recedens in stirpe X. su- 



hulatoe) — p. 40. 



tf Bractese area dorsali no- 

 tat86. 



p Folia transverse rugu- 

 losa v. tuberculata. 

 <; Bulbosa. Spica sub- 

 globosa (6 — 9 mm 

 longa, bracteis inter- 

 mediis obovato-ob- 

 longis, 5 — 6 mm lon- 

 gis, 3 — 3,5 mm latis, 

 sepalis lateralibus 

 spathulatis, obtusis- 

 simis). — — — — 



i/ Stirps (VII) X. laceratcB p. 63. 



cc Caespitosse v. annuae. 

 Spica ellipsoidea v. 

 ovoidea. 



T Bracte86 interme- 

 di?e ellipticse. Se- 

 pala lateralia acu- 



