350 



Fruiicttli Capenscs aut Maitriiiani ramosissimi, ra- 

 mis altcrnis s. adgregatis, ieretibus, totis aequaliter folia- 

 iis; foliis sparsis, sessilibus, papyraccis , supra tomcnto 

 pcrsisicntc, sitbius caduco; involttcris cradiantibtts, cylin- 

 draccis, multiserialibus; corollis 5-dentatis, glabris. 



SUBGEN. I. PLEUROCEPHALUM. 



(Cass. Dict. sc. nal. XLVIII. 510.) 



Glomeruli longe spicati. 



1. Seriphudi citicrttm (S. cinerum L. sp. p. 1316. 

 et S. plutnosum L. Mant. 481. Stocbe cinerea, plumosa et 

 virgata Thbrg. cap. 727! 728! W. sp. pl. 2407.) 



Spica elongata, composita e glomerulis. 



Bergins m cacumine nioiuis tabularis Mart.; in latere 

 m. diaboli Febr. Apr. , versus Constantiam Aug. ; Mundt et 

 Maire Majo et Mart. pr. Cango. (v. sp. spont. et culta.) 



Fruticulus erectus, bipedalis et ultra, ramis diver- 

 gentibus, junioribus magis minusve tomentosis. Folia invo- 

 lula, linearia, saepe gemmulifera, minima, subgranuliformia 

 mutica et tota tomento involuta — linearia, spiraliter torta, 

 2'" longa, in mucronulum acuminata. Glomeruli oo-ce- 

 pliali in spicam saepissime clongatam, saepius lobatam, sub- 

 linearem, tenuem, digitum crassam, 1 — 6 " longam dispositi. 

 Involucri foliola ex minimis, subfoliaceis, in oblongo- 

 elliptica, sicca, 1-nervia, in mucronulum acuminata, \\ in 

 longa, magis minusve fuscescentia. Corollae cylindraceae} 

 superne purpurascentes. Achaenia ovoidea, papuloso-scabra, 

 sulcata. 



a) plumosttm (L. 1. c. Stoebe Thbrg. 1. c.) foliis mini- 

 mis, muticis, strictis, tomento involutis. 



p) virgaium (Stocbe virgata Thbrg. 1. c. W. hrb. n. 

 16796.) foliis parum majoribus, subinuticis, exlus glabri- 

 usculis. 



y) cinereum (Stocbe cinerca Tlibrg! W. hrb. n. 

 16791) foliis longioribus, spiraliter lortis, mucronulatis, ex- 

 tus nitidis. 



