462 MR. F. IT. WILLIAMS ON THE GENUS DIAXTHUS. 



Subsectio 5. Gymnocalyx. 



Caules ramosi. Bractese minutse scariosse adpres>se, arista 

 incurrente \ calycis tubum. 



230. D. cinnamomeus, Sibth. et Sm. Fl. Grceca, iv. p. 88, 

 t. 400 ; Griseb. Spicil. Fl. Bum el. Bitliyn. i. p. 191. 



Caespitosus, glaucus, glaber lanatus v. papilloso-puberulus. 



Caules 30 eentim., teretes paniculato-corymbosi. Polia linearia 

 obtusa plana flaccida 3-nervia ; radicalia 25 mm. patentia recnrra, 

 vagina folii diam. duplo longiore ; caulina 13 mm. patentia in- 

 curva, vagina folii diam. aequante. Flores vespertini. Bractese 

 oblongo-ovatse mucronatse. Calyx dentibus lanceolatis acutis 

 ciliolatis. Petala irregulariter dentata v. crenata non contigua ; 

 lamina obovato-cuneata, supra alba v. rosea, infra purpureo- 

 virente, =| unguis. Antherae albidae. 



a. pubescens, mi hi. 



b. glaber, mihi—J). pallens, Sibth. et Sm. Fl. Grceca, iv. t. 399 ; 

 D. bicolor, Bieb. Fl. Taur.-Cauc. i. p. 329. 



Bractese obovato-lanceolatse. Petala pallidiora. 

 Geogr. limits. — AT. Caucasus. 



S. Karamania, in Asia Minor. 



F. Prov. of Ghilan, in Persia. 



W. Servia. 



This species was first known from Greece, and is very near 

 tbe obscure Linnean species _D. pomeridianus, a plant which 

 cannot now be identified from the description given. 



231. D. leptopetaltts, Willd. Fnum. Hort. Berolin. p. 468 ; 

 Boiss. Fl. Orient, i. p. 484 ; Sims, Bot. Mag. t. 1739. 



Glaber. Caules 35 eentim., teretes 2-3-ilori. Folia elongato- 

 linearia acuminata carinata incurva patentia, radicalia 50 mm., 

 vagina folii diam. sequante. Plores vespertini odorati longe 

 pedunculati. Bractese obtuse mucronulatse, interiores obovatse, 

 inferiores obovato-lanceolatse. Calyx apice attenuato. dentibus 

 lanceolatis acuminatis scarioso-alatis ciliolatis. Petala integra 

 v. subretusa non contigua; lamina spathulata undulato-tenui, 

 supra albo-flavida, subtus plumbea, =unguem. 



Geogr. limits. — N. Along the R. Irtysch, in Siberia. 



S. Despoto-dagh, in Bumelia. 



