MR. F. N. WILLIAMS OX THE GENUS DIAXTIIUS. 365 



3-nervia, vagina folii diam. 4-plo longiore, subfloralia subulata 

 strauiinea. Flores 2-3 congesti pedunculis brevibus. Bracteae 

 4, elliptico-oblongae acuminatae ad diinidium calycem pallidas 

 coriaceae adpressae. Calyx dentibus lanceolatis acutis. Petala 

 coutigua; lamina =unguem, rosea, subtus pallidissima, obovato- 

 cuneata. Anthers purpureae. 



b. pumilus, Boiss. FL Orient, i. p. 501. 



9 centim. Folia rigida pungentia, vagina folii diam. 3-plo 

 loneri 



O iore. 



c. armerioides, Gri&eb. Spicil. Fl. Rumel. Bithyn. i. p. 190 ; 

 Bows. FL Orient, i. p. 501 ; Beichb. Ic. Bot. PI. Grit. 739 (D. 



collinus). 



Scabridulus. Vagina folii diam. duplo longiore. Flores dense 

 fasciculati. Bracteae ovatae. 



Geogr. limits. — N. The Balkan Mtns., 43°. 



S. Mt. Atbos in Eumelia, 40°, 



19. D. biflorus, Griseb. Spicil. Fl. Bumel. Bithyn. i. p. 189 

 (non Smith) ; Boiss. FL Orient, i. p. 501. 



Grlaber. Caules 40 centim., simplices tetragoni. Folia 70 

 mm. linearia acuta stricta plana patentia 3-nervia, vagina folii 

 diam. aequante, subfloralia subulata straminea. Bracteae 4, 

 elliptico-oblongae acuminatae ad dimidium calycem coriaceae 

 patentes. Calyx dentibus lanceolato-ovatae mucronatae. Lamina 

 rosea obovato-cuneata. Capsula cylindrica. 



Geogr. area. — Eumelia. 



20. D. Mercurii, Heldr. in Atti Congr. Bot. Firenze (1874), 

 p. 237; Boiss. Fl. Orient., Supplem. p. 78. 



Glaber, glaucus, 46 centim, Caules simplices teretes tenues. 

 Folia 75 mm., elongato-linearia acuminata plana patentia 7- 

 nervia, vagina folii diam. 3-plo longiore. Flores laxi. Bracteae 

 6, obovato-lanceolatae mucronulatae ad dimidium calycem patentes 

 purpureas. Calyx purpureus, dentibus lanceolatis acuminatis. 

 Petala contigua ; lamina obovata rosea, subtus flavicante. 



Ilab. Morea. in Greece. 



Sectio iii. Carthusianum. 



Herbae perennes. Folia subfloralia scariosa, rarissime herbacea. 

 Inflorescentia densa, capitata. Petala nonnunquam imberbia. 



