26 



Sellow In Campo Colonla Brasiliae meridionalis Decbr. 

 1822. (v. sp. s. oo.). 



2. T. hrasilicnsis (Cand. 1. c. Perdicium hrcisi- 

 liense L. Vahl in Skrivt. af N. Ih Selsk. v. 1. p. 12., W. 

 sp. pl. V. 3. p. 2119, Poir. Enc. meth v. 5. p. 179, Reich, 

 syst. veg. V. 3. p. 837 , Houtluyn Pflz. Syst. v. 9. p. 452. ) 

 Herba caule simpllci, follis inferioribus mucronato-denti- 

 culalis, superloribus aperte minoribus remolioribusque, fo- 

 llolls involucri acuminatis. 



Rhizoma perenne, cavum, fibras crebras, validas, sim- 

 pliclusculas deorsum demiltit. Caulis tcres, strialus, sim- 

 plex, superne follis aperte minoribus rarioribusque in- 

 siructus alque in inflorescentiam terminatam, dichotomam, 

 magis minusve ramosam sub - s. suprafastigiatam, rarissl- 

 me nondum fastigiatam, divaricatam divisus, cujus rami ob- 

 scure villoso-pubesccnlcs folia, e quorum axillis prodeunt, 

 scmper superantes, saepe in medio folium unum alterumve, 

 dichotomiae abortae vestiglum, gereutes, ullimi capilulis 

 singulis, in siccis circiter 8'" allis terminantur, eaque vix 

 aut parum superant. Folia sessilia, laevia, utrinque mol- 

 liter pubescentia (hispida auct.), nervo primario sublus 

 piano, dilatato, slrialo, ex confertioribus , mucronato-den- 

 ticulatis, denticulis horizonlalibus aut deorsum spectanli- 

 bus, obovato-oblongis, aculis aut obtusis, rarissime brevi- 

 ter acuminatis, pl. latis, rarius elongatis, anguslis^ obova- 

 lo-linearibus, 4 — 8|" longis, 4'" — 4" latis, basi longe 

 s. longissime altenuatis, per decurrenlia in rariora minora- 

 que, magis minusve acuminata, oblonga, inlegerrima, 

 \ — 2" longa, 2 — 4'" lata, non decurrenlia. Involu- 

 crum sub — 1-serIale, campanulato-hemisphaericum, fo 

 lio utrinque aequaliler pubescente uno alterove saepe au- 

 ctum, foliolis multiplinerviis, linear! -lanceolalis, acumina- 

 tis (obtusis auct.), utrinque, sed extus magis, subvilloso- 

 pubesccntibus, demum reflexis, exterioribus totis foliaceis, 



