X KEY TO THE GENERA. 



12. HoMERiA. — Perianth-segments subequal, connivent in a cup 

 at the base, then spreading. Style-branches with two petaloid 

 stigmatose crests. — Cape. 



13. Hexaglottis. — Perianth-segments subequal, obtuse, spread- 

 ing from the base. Style-branches cut down to the base into two 

 subulate forks. — Cajye. 



Tribe II. Sisyrinchie.e. — Flowers stalked, usually more than one 

 to a spathe, and opening out one after the other, often fugitive. 

 Style- branches alternate with the anthers. 



Subtribe I. Croce.e. — Piootstock a bulb or corm. Spathes 

 essentially 1 -flowered. 



14. Crocus. — Peduncle short, hidden. Perianth with a long 

 tube and long ascending segments. Style-arms entire or cut into 

 capillary branches. — S. Kurope, N. Africa, W. Asia. 



15. Syringodea. — Peduncle short, hidden. Perianth with a 

 long tube ; segments spreading or ascending. Style-branches 

 subulate, entire. — Cape. 



16. Galaxia. — Peduncle short, hidden. Perianth with a cylin- 

 drical tube and short obtuse spreading segments. Stigma peltate, 

 petaloid. — Cape. 



17. PioiiuLEA. — Peduncle produced. Perianth-segments oblong, 

 much exceeding the short tube. Spathe-valves herbaceous. — 

 Mediterranean re/jion, Trop. Africa, Cape. 



Subtribe II. Cipure.e. — Piootstock a bulb or corm. Perianth-tube 

 obsolete. Flowers usually more than one to a spathe, very 

 fugitive. — All American. 



* Perianth-segments dimorphic. 



18. CiPURA. — Inner segments connivent. Style-branches 

 dilated. Clusters of flowers sessile, mostly fascicled. Flowers 

 white. 



19. Sphenostigma. — Inner perianth-segments spreading. Style- 

 branches dilated. Clusters of flowers peduucled. Flowers generally 



blue. 



** Perianth-segments snbequal, obovate-cuneate. 



20. Eleutherine. — Filaments free. Style-branches long, 

 simple, subulate. Flowers white. 



21. Calydorea. — Filaments free. Style-branches subulate, 

 entire or emarginate. Flowers blue or yellow. 



22. Gelasixe. — Filaments united. Style-branches simple, 

 subulate. Flowers blue. 



23. Nemastyos. — Fdaments free or united. Style-branches 

 cleft to the base mto subulate forks. Flowers usually blue. 



Subtribe III. Eusisyrinchie^. — Rootstock not a bulb nor corm. 

 Perianth cleft down to the ovary. Flowers fugitive, usually 

 more than one to a spathe. 



