of the Class Compositce. 265 



squamis ovato-lanceolatis acuminatis, radiis copiosis bi- 



labiatis : ligulis linearibus revolutis. 

 Mutisia arachnoidea. Mart. Mss. 

 M. speciosa. Bot. Mag. t. 2705. 

 In Brasilia ad Rio de Janeiro. Martins, f? . 



Planta suffruticosa, ramosissima, scandens, lana cinerea, copios&, 

 fugaci, arachnoidefi vestita, quandoque omnino laeviuscula 

 evadit. Caulis 5-gonus. Folia alterna, sessilia, pinnata, pal- 

 maria, patentissima : pinnce alternae, 12 — 14, elliptico-ob- 

 longae, obsolete mucronulatre, integerrima, membranacea?, 

 basi angustatci substipitatae, posticibus soepius rotundatis, 

 nee attenuatis, pollicem v. sesquipollicem longae,6 — 8 lineas 

 latae : rachis simplicissima, purpurascens, supra planiuscula, 

 canaliculata, subtus carinata, apice in cirrhum pinnate par- 

 titum, cujus lacinise filiformes spiraliter contorts, prodeunte. 

 Flores terminales, solitarii, pedunculati. Pedwiculi erecti, 

 teretiusculi, inde planiusculi, spithaina?i. Involucrum oblon- 

 gum, cylindricum, imbricatum, apice paululum coarctatum : 

 squamis ovato-lanceolatis, acuminatis, membranaceis, extus 

 prsesertim ad oram lanuginosis, nunc omnino glabris ; exte- 

 rioribus patentibus, basi tantum adpressis ; intimis oblongis, 

 conniventibus, apice rotundatis, mucronulatis, margine la- 

 nuginosis. Reeeptaculum nudum. Flosculi radii bilabiati, 

 rubri, plurimi (15 — 20) foeminei, staminibus sterilibus, tubo 

 compressiusculo longitudine involucri : liguM lineari, tri- 

 dentata, revolutA, involucro triplo breviore, quandoque bi- 

 partite ; labio inter lore paulo breviore, pallido, bipartito, 

 laciniis lineari-angustissimis, spiraliter revolutis, primum 

 margine conglutinatis ; disci hermaphroditi, albi, tubulosi, 

 bilabiati : labiis revolutis ; exteriore ligulato, tridentato, 4- 

 nervio ; interiore bipartito, laciniis linearibus obtusis, bi- 

 nerviis. Filamenta linearia, compressa, minutissime glan- 



2 m 2 dulosa. 



