CENTURIA ill. 119 



cdfytrih. puhi6eis. Ci'ctii, Grecia. St. fruti- 

 cosa and spi/tosa probably belong here, altho' 

 fldtvers not well described, spinosa has hairy 

 seeds. 



1193. RoccARDiA Necker, diff'. Staehelina, 

 Periantho tereto scarioso,- 8-lOflosculosts. ari- 

 theris bibarbatis ad basis, sein. 4gona,2)^//?/?w5 

 simplex basi connatus paiiuatus. — Type R. 

 purpurea Raf. Staehel. dubia L. auct. Ibl. lin. 

 dentic. fl. 2-3gloiner. sq. per. lanceol. Italy, 

 k?»pain. Linneus deemed it medial between 3 

 G. Staehcl- Serratula and Gnaphalium ! the 

 down not plumose is the main generic feature, 

 how is the phoranthe / 



1194. Apli.xa R. (nymph and simplicity) diff. 

 Staehel. Periantho tereto scarioso, flosculo 

 unico gerens ! antheris basi biplumosis barbatjs, 

 sq. phor. simpl. pappo digitato plumoso. — Type 

 Apl. fuscata Raf. Staehel. unifloscula Sm. fl. 

 greca 846. fol. ovat. acut. dent. subt. canis, per. 

 fuscato. Mt. Parnassus. G. akin to the last, 

 very singular by the florets reduced to unity ! 



1195. Alkibias R. (n. arab.j diff. Staehel. per. 

 tereto turbin. sq. carinatis, phorantho subnudo, 

 sem, vijlosus, pappus siibsiinpl. apice dentato. — 

 Type A. Iiastata R. Staeh. do Vahl, Pers Sm. 

 Chrysocoma spatulata Forsk. Vitm. probably the 

 other Arabic fruticose chrysocoma belong here, 

 Chr. mucrouatn, omta of Korsk. The real 

 Chrysoc. have the per. hemisph. phoranthe na- 

 ked, down quite simple. 



1190. TuLocLiNiA R. (warty bed) diff. Staehel. 

 per. turbin. phorantho nudo verrucoso, pappo 

 subpliimosus. — Type T. imhricata R. Staeh. 

 do L. auct. fol. subul. subt. toment. fl. binatis S, 

 Africa. How are the appendages ? 



1167. Plectreca R. (10 spurs.) diff. Staehel. 



