FLORA OF BRAZIL. 461 
acuminatis basi acutis minute spinuloso-denticulatis supra 
villosiusculis subtus sericeo-villoso-tomentosis, panicula 
foliosa tomentosa divaricata, capitulis pedicellatis circiter 
10-floris, involucri squamis biseriatis pilosis resinoso-punc- 
tatis ciliatis, exterioribus linearibus parvis, intimis lineari- 
bus acuminatis, acheniis puberulis erostratis. 
Has. Open places on limestone mountains, near the Villa de 
Arrayas, Province of Goyaz. April 1840. 
Frutex 3-4-pedalis. Folia 4-54 poll. longa, 15-18 lin. lata. 
Capitula 6-lin. longa. Receptaculum dense piloso-fimbril- 
liferum. Corolla lutea. Pappus sordide albidus. 
4266 et 4959. T. ophiorhiza ; suffruticosa, caule erecto subsim- 
plici hirsutissimo undique folioso, foliis sessilibus longe 
oblongo-lanceolatis acuminatis basi attenuatis. mucronato- 
denticulatis utrinque fulvo-hirsuto-villosis, pedunculis axil- 
laribus foliosis subpaniculatis hirsutis folio brevioribus, 
capitulis sessilibus 25-floris, involucri squamis biseriatis 
puberulis, exterioribus linearibus acuminatis sub-foliaceis, 
intimis brevioribus acutis ciliatis, achæniis longe rostratis 
puberulis. 
Has. Between Capella da Passe and San Pedro, Province of 
Goyaz (4266), and between the Rio de San Francisco and 
Formigas, Province of Minas Geraes (4959.) May and July - 
Suffrutex 4-6-pedalis. Folia 6-9 poll. longa, 15-18 lin. lata. 
Capitula 9 lin. longa. Receptaculum dense piloso-fimbril- 
liferum, Corolla lutea. Pappus albus. : 
This very distinct species of Trixis has a thick woody root, 
Which has a disagreeable musty smell, and is used by the 
Inhabitants of the districts in which it grows against snake 
bites, under the name of “ Raiz da Cobra.” 3 
4964. T. odoratissima ; fruticosa subscandens, ramis pubes- 
<entibus, foliis oblongo-lanceolatis acuminatis basi acutis — 
. denticulatis supra glabriusculis subtus cinereo-tomentosis, 
Paniculis ad apices ramulorum confertis, capitulis brevi- — 
. Pedicellatis 10-12-floris, involucri squamis biseriatis pube- — 
. Mibus parvis, achæniis teretibus puberulis. 
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