29 



* BARNADESIA rosea. 

 Rose-coloured Barnadesia. 



SYNGENESIA POLYGAMIA. 



Nat. ord. Composite, § Labiatiflor^. 



BARNADESIA. L. Capitulum multiflorum homogamum. Invol. tur- 

 binatum multiseriale imbricatum, squamis interioribus radiantibus. Recept. 

 paleis tenuissimis piliformibus spiraliter tortis dense vestitum. Flores aut 

 dissimiles exteriores biligulati, labio externo amplo 4-dentato, int. filiformi, 

 centrales tubulosi 5-dentati, aut omnes bilabiati. Stam. filam. aut omnium 

 aut exteriorum monadelpha! Antherce ecaudatae. Aehcenium. turbinatum 

 dense sericeo-villosum. Pappus l-serialis, nunc ubique plumosus, nunc in 



periphaeria plumosus in disco setis hirsutis subrigidis constans. Frutices 



in Amer. austr. hahitantes. Aculei scepius stipulares subulati gemini. Folia 

 alterna integerrima mucronata. Capitula terminalia. Cor. purpurece villoso- 

 tericece. Pappus et recept. pilifulvi. DeCand. Prodr. 7. 2. 



B. rosea ; capitulis solitariis ovato-cylindraceis pubescentibus sessilibus, flos- 

 culorum labio altero oblongo emarginato extus villoso altero filiformi, 

 flore tubuloso centrali nullo, filamentis liberis, pilis receptaculi baud 

 tortilibus, pappo rigido plumoso. 



The singular genus Barnadesia consists of South Ame- 

 rican spiny bushes, with so very similar a foliage that they 

 can hardly be distinguished ; but differing in the size, and 

 form, and number of their flower-heads. That now figured, 

 for which we are indebted to the kindness of His Grace the 

 Duke of Northumberland, is of the greatest rarity, and, as 

 far as we can discover, undescribed. 



According to DeCandolle all the species are monadelphous, 

 except B. laxa, and in that plant there is a solitary tubular 

 floret in the disk ; but here the stamens are not monadel- 

 phous, nor is there a solitary tubular flower in the disk ; in 

 the place of the latter there is a space which pours forth 



. .*. .. . 1 — — — -^ ' ' " ■ — ■■■ ■!■ — ■ ■ .1 , . ■■■ , I _., , , . ^ _ 



* So called by the younger Linnaeus, after Michael Barnadez, a Spanish 

 Botanist, concerning whom we have no information. 



