794 coMPOsiTiK. Heterode^ns . 



1. H. pusilla (Boiss. Diagn. Ser. I, 7, p. 385 sub Cfionclrilla), 

 caulibus erectis vel decumbenlibus brevibus simplicibus vel furcalis 

 canescentibus vel glabratis interdum parce setulosih, foliis rosulalis 

 obovato-oblongis sinuato-pinnatifidis calcareo-denticulatis glaucescen- 

 tibus junioribus canescentibus, caulinis 1-2 linearibus basi amplexi- 

 cauli-subauriculatis saepe nuliis, capitulis 1-5 terminalibus subcorym- 

 bosis breviter pediceliatis demum cernuis niinutis obiongo-cylindricis 

 15-20-floris, calyculi phyllis minimis ovato-triangularibus margine 

 niembranaceis. involucri canescentis vel glabrati phyllis dorso setosis 

 demum carinatis, acheniis prismaticis inferne subatlenuatis ad costas 

 muricatis muricibus versus apicem sensim auctis, marginalibus apice 

 breviter mucronatis epapposis internis in rostrum tenueeis IVj-^-plo 

 longius abeuntibus ©. Barckhausia leucocephala, B. chcetocephala et 

 B. melanocephala Bge Pl. Lehm. p. 384 et 385! 



Hab. in arenosis Persia? australis (Ky. 856!), prope Ispahan (Auch. 4871!), 

 montes prope Jezd (Buhse!), Persia niedia ad bsertscliah etborealis prope 

 Schahrud (Bgel), Turkestania (Lehm!). 



Caules 2-3-poIIicares. folia radicalia 1-lVi-pollicaria, capitula fructifera 4 

 lineas longa. 



2. H. Stocksiana, caulibus ascendentibus vel decumbentibus 

 simplicibus vel parce furcatis superne canescentibus, foliis rosulatis 

 glaucis pulverulento-canescentibus oblongo-lanceolatis in lobos bre- 

 viter triangulares acutos subruncinatim pinnatifidis basi attenuatis, 

 caulinis 1-2 anguste linearibus basi semiamplexicaulibus, capilulis 

 terminalibus 2-4 breviter pedicellatis demum cernuis oblongo-cylin- 

 dricis 15-20-floris, calyculi phyllis membranaceis ovato-triangularibus 

 minimis, involucri canescentis vel glabri phyllis dorso setosis, ache- 

 niis externis teretibus quinquesulcatis laevibus superne sensim 

 attenuatis erostribus pappi setis paucis sessilibus coronatis, cseteris 

 prismaticis ad costas acutas superne praisertim niuricatis inrostrum 

 tenue eis duplo longlus abeuntibus Q. 



Hab. in Belutschia (Stocksl). 



Gaules tenues 4-6-poIlicares, folia radicalia 2-2Vj-poIlicaria, capitula fructi- 

 fera 4 iineas longa. 



WILLEMETIA (Neck. El. BoL I, p. 50). 



Gapitulum multiflorum. Involucrum biseriale. Receptaculum nudum. 

 Achenia conformia cylindraceo-prismatica undiqne vei superne tan- 

 tum tuberculato-rugosa, longe rostrata ad rostri basin coronula squa- 

 niis 5 erecto-coimiventibus constante obsita. Pappus pilosus. — Her- 

 bae perennes facie Apargice. — Genus ChondrillcB affme sed habitu 

 diversissimum. 



i. W. apargioides (Willd. Sp, llf, p. 1594 sub Crepide) rhi- 



