175 



manifesto inter se connexi ; siipremi ovati vei subglobosi ; 

 spiculse curvsB ; tubus calycinus ad angulos vel basi + pilosus ; 

 herba fragillima .._ ._. _.. .., — — — — St. articulata Lois. 



50. Calyces bractea obvallati sessiles — ._- — — — — --- 51 



Calyces bractea patula denudati distinctissime pedicellati 



St. Calcarœ Todaro fi. sic. exs. i276 ! 



(St. (lichotoma Guss. Synops.) 



51. Spiculse gracillimiB (rectœ) St. dubia Andrz. Todaro 11. sic. exs. 1094! 



SpicuKe crassiores — ___ _._ ._- -- -_ .-- --- --- 5!2 



5i2. Bractea suprema margins angaste membranacea ; spiculae 



recisB; tubus calycinus glaber (caules nigrescentes) St. dictyoclada Boiss. 



Bractea suprema usque ad dimidiam submembranacea; 

 tubus calycinus sparse pilosus ; spiculae curvae ._ St. rorida S. et Sm. 



53. Rami ramulique steriles rectangule infracti flexuoso-divarica- 

 tissimi : bractea suprema intima 4- plo longior; limbus calycinus 



tubo brevior .__ .__ ... „. _- -_ ... — St. cancellata Berjili.. 

 Rami nunquam refracti ; limbus calycinus tubum œquans 54 



54. Laxiflorae ; bractea suprema infima 6-plo longior .__ ___ ___ 55 



Inilorescentia densa fastigiato-corymbosa; bracteœ veiu- 

 tinae, infima albo-marginata suprema o-plo brev.'or ; folia 

 obcordata .._ .__ __. — .__ ... .__ _._ -.. 5/. pubescens DC. 



55. Bracteœ glabrae : infima fere omnino membranacea ; folia 

 obcordata; herba breviter furfuraceo-velutina — . ___ St. cumana Ten. 



Bracteae velutinœ : infima vix margine membranacea ; 

 folia spathulata ; herba dense patule velutina... .__ St. furfuracea Lag. 



