294 OBSERVATIONS ON THE NATURAI, T'AMILY 



of Baccharis from which the Linnean character was taken, 

 and Coni/za when reduced to its original species, C. squar- 

 rosa and bifrons, and a few others since added to the genus : 

 for these differ from Inula chiefly in the extreme shortness 

 of their ligulae. 



As no satisfactory character has hitherto been given of 

 Baccharis, that will serve to distinguish it, as now limited, 

 from the dioecious Gnaphalia, I propose the following. 



"5] Baccharis. 



{Richard) in Michauoo Amer. i\, p. 125. Jussieu in 

 Atinal. du Mus. d'Hist. Nat. vii, p. 385. Molina Ruiz et 

 Pavon Prodr. Flor. Peruv. 111. Baccharidis species 

 Linn. 



Involucrum imbricatum. Receptaculum nudum. Flos- 

 culi tubulosi, dioici. Masculi : antheris exsertis, basi mu- 

 ticis ; stigmatihus appendice acuto hispidulo ; pappo sub- 

 penicillato. Feminei filiformes ; pappo capillari. 



Prutices (Americse sequinoctialis et temperatse). Folia 

 alterna, raro opposita, in quihusdam minuta vel nulla, ramis 

 tunc foliaceo-alatis . Inflorescentia terminalis rariusve late- 

 ralis, corymhosa, mine fasciculata. Involucri suhovati v. 

 ohlongi squamce semiscarioscs, margine simplici. Mas pappo 

 cinereo. Fern, limho minuto 2-?identato, staminibus ste- 

 rilibus nullis .• pappo elongato? 



Willdenow, in his edition of Species Plantarum, has 

 retained the four Linnean species of Galea, and added to 



' I have obseiTed another dioecious genus with naked receptacle, capillary 

 pappus, and a habit nearly similar to that of Baccharis, of which Baccharis 

 nereifolia Linn, is the only published species. It may be named 



BrACHYIuBNA. 



Involucrum imbricatum, squamis coriaceis. Receptaculum nudum. FloseuU 

 dioici. Masculi: antheris exsertis, basi bisetis. Feminei angustiores, limbo 

 5-fldo; filamentis sterilibus : stigmatibus linguiformibus imberbibus. Pappus 

 utriusque sexus pilosus scaber. 



ArbusculoB vel Frutices (Africse australis) subtomentosi. Folia alterna inte- 

 gerrima vel dentata. Inflorescentia terminalis, swbracemosa. Involucra sub- 

 ovata, brevia : squamis ovatis, tewtura uniformi. 



