LIATRIS DUBIA. 
BLUE-BLAZING STAR. 
Rattle-snake’s master, Button snake-root. 
LIATRIS. 
Gen. pl. 1263. 
Recept. nudum. Pappus plumosus, coloratus. Cal. oblongus, imbricatus. 
Nat. Syst. Juss. Corymbifera. 
Artific. Syst. Lin. Classis Syngenesia. Ordo Aqualis. 
Liaarris dubia; radix tuberosa, radiculis comosis. Caulis rectus, lineatus, hispido-pu- 
bescens. Foliis linearibus levibus, punctatis, imis multoties majoribus; supe- 
rioribus, basi ciliatis. Spica longa floribus pedunculatis. Pedunculi pubescenti 
uniflori elongati, foliolis aliquot instructis. Calix oblongus vel sub-globosus ; 
squamis lanceolatis, subacutis, erectis, verrucoso-punctatis, imis ciliatis, 
Corolle tubulose, 5-fide ; laciniis lanceolatis. Semina oblonga, angulata, basin 
versus attenuata. B. 
Tus plant is one of a genus nearly all the species of which vary 
considerably, particularly in those marks usually supposed charac. 
