696 — 



Subtrlb. V. Liaheae. 

 Capitulum radiatum. Styli rami in g: longiusculi, 

 pl. obtusi. Cor. disci regularis 5-fida; filam. laevia. — Fo- 

 lia subtus tomentosa, basi iiuda, saepissime opposita. 



>•;- : LIAßUM. 



OÄ.y. Nomen primus dedit Adanson (1763), nee plantas 

 ad hoc genus relatas novil. Starhea W! (1800), Androma- 

 chia \i\\\\ Liabum et Oligactis Cass. (1817). Liahum et 

 Andromachiam olim dislinxi, tanlummodo' descriptione, a 

 cel. Cassini de Liaho Brownei facta, nitens. 



Pappus biserialis. 



Herbae s. frulices erecli, omnes Americae merldionar 

 IJs vel Iridiae occidentalis incolae. 



Sect. I. Chrysaettnium. 



(KlHi 1. c.) 



Herbae simplices, foliis membranaceis, decussatis, lac- 

 vibiis; foliolis involucri lale campanulati acurainatis. 



1. Z/. acaule^ (Andromachia acaulislilh, 1. c. t. 336.) 

 Capitulis solitarüs. 



Rhizoma obliquum, crassum fibris validis, simpli- 

 cibus, magis minusve villosis, elongatis. Caulis flexuo- 

 sus, gracilis, obsolete tomentosus , pilisque nlgrlcan- 

 libus intermixlis obsessus, simplicissimus, circiter se- 

 iriipedalis. Folia tenera, conferta, sessilia, oblongo-obo- 

 vala, acuta, basi longissime angustala, antlce rpmole 

 denticulata aut dentata, sub trinervia (Kth.), reticulalo- 

 venosa, supra glabra, subtus niveo-tomentosa, 16 — 18"' 

 longa, 3 TT- 5'" lata. Involucruni late campanulatum^ fo- 

 liolis planis, subscariosis, glabris, erectis, virescenlibiis s. 

 fuscescentibus , e triangularibus , aculis s. obtusiusculis, 

 niuUinervJis in longiora, angiistiora, paucinervia, linearia, 

 reclilineo-acuminata, 4'" longa. Pappus subacqualis, ar- 



