174 



Bractea infima snprema 8-plo brevior ovális obtusiuscnla 

 vel obtusa!; limbi calycini lobi ovato-oblongi otbiisi..^ _._ ._. 39 



39. Bracteae late albo^menibranaceo-(scarioso-) marginata^ : margo 

 cum j)arte herbacea baud conflua (spiculœ ob bracteam supre- 

 mam valde ventricosam laxam, ovat8e)._. ... ... St. Costœ Willk. 



Bracteœ obscure vel obsoletius rufescenti-membranaceo- 

 marginatœ (spicules ob bracteam supremam valde involutam 

 i. e. calycem valde involventem cylindracese ; «panicula oblonga 

 scapo reliquo brevior confertiflora») ... ... ... Si, con fusa G. et G. 



(St. Legrandi Timb. et Gaut!) 



40. Folia obovato-cuneata... ... ... ... ... ... ... ... St. albida Guss. 



Folia angustiora... ... ... ... ... ... ... ... ... ._. 41 



41. «Bracteoe duœ exteriores obtusissimge et fere emarginafse« (sic 

 apud Gussone FI. siculas synops. I pag 570 ; — specimina Parla- 

 toreana et a cl. Todaro accepta bracteas exteriores acutas 

 habent) ; folia oblongo-spathulata .._ ... ... St. minutiftora Guss. 



Bracteae acutse ! ; folia lineari-oblonga... ... St. inan'mensis Guss. 



42. Bracteae infimae omnino hyalino-membranaceae .... ... ... ... 43 



Bracteas infimae latius herbacege... ._. _^_ ... _._ ... 45 



43. Bractea inferior subrotunda suprema 4-plo brevior St. dichotoma Gav. 



Bractea inferior angustior superiore 2 — 3-plo brevior .__ 44 



44. Bractea inferior obtusa; paniculge rami divaricati; spiculae 

 breviter conferteque glomerato-spicatae.-. .__ .-. .__ St. caspia WHId- 



Bractea infima acuminata ; panicuîse rami (valde elongati) 

 erecto-patuli ; spiculae remotae laxe longiusque spicaiœ St. Dubyei G. et G. 



45. Glaberrimae lœves ; rami steriles stricte ramulosi .._ .._ .__ 46 



+_ Scabridae, tuberculato-asperœ vel pubescentes ..._ _._ 48 



46. Puamulorum articuli nullibi constricti, œqualiter cylindracei .._ 47 



Eamuli ad articulationes constricti fere strangulati : 



St. cosyrensis Guss. 



47. Paniculae rami patulo-recurvi ; spiculoe cylindracege ; bractea 

 infima acuta ... .._ ... ... ._ ... ... .__ ... St. vir^ata WHId. 



Paniculae rami stricti ; spiculae ob bracteas supremas 

 ventricosas (subinflatas) ovales (insuper breviores quam in 

 St. virgata !); bractea infima obtusa ! ._. ... ... St. catanensis Tin. 



(Todaro fl. sic, exs. 379 !) 



48. Scabridae vel tuberculato-exasperatœ .:. -_ ... _.. _- ... 49 



Velutino-puberulse vel tomentosae ... ... ... ... 53 



49. Ramulorum articuli omnes continue contigui, cylindracei, herbœ 

 minus fragiles .__ _._ ... ... ... ... ... ... ... ... ... 50 



Articuli ad extremitates repentine constricti i. e. isthmi 

 strangulati, stipite brevissimo tenuissimoque quidem sed sat 



