22 PITTONIA. 
the short petiole from the broad and otherwise trur 
base, the margin coarsely crenate: bracts of the inv 
oblong-linear, obtuse: flowers red-purple: pappus of 3: 
form barbellate awns and as many broad short pales. 
Sierra San Felipe, Oaxaca, 6 Oct., 1894, Pringle (n. 
STEVIA DECUMBENS. S. elatior, var. ? decumbens, R. 
Am. Journ. Sci, 3 ser, 1. 152. Stems solitary, weak 
assurgent, leafy only toward the base, naked and — 
loosely somewhat trichotomous-cymose at summit: 
divarieate: flowers large, purple, pubescent e. 
bracts of the involucre very acute, or ov 
Near Oaxaca, 1894, C. G. Forge (n. A. 
and S appearance, a as e EA fi 
possible, within the limits of the genus. S. elatior is. 
leafy and freely branching throughout; the present 
agreeing with it in almost no partieular, Sep. 
ters of pappus and achene. 
