6 PROCEEDINGS OF THE AMERICAN ACADEMY. 
MicwoacaN: mountains near Patzcuaro, Pringle, nos. 4099, 4264 
(both in hb. Gr.). 
ExcLupep Spercies. ie § 
S. occipEentaLis, DC. Prodr. y. 497 (1836), is a clerical error for j 
Stegesbeckia occidentalis, Walt. (not L.), i. e. WVerbesina occidentalis, > | 
Walt. Fl. Car. 213. = 
S. GLaBra, Wats. Proc. Am. Acad. xxiii, 277 (1888), is Jaegeria 7 
petiolaris, Robinson, Proc. Am. Acad. xxxv. 316 ( 1900). a 
S. portoricensis, DC. Prodr. vy. 497 (1836), isa clerical error for” 
Siegesheckia portoricensis, Bert. _ = 
S. supnupa, Robinson & Seaton, Proc. Am. Acad. xxviii. 108 (1893), — 
is unquestionably the long unidentified Selloa plantaginea, HBK. Novg 
Gen. et Spec. iv. 266, t. 394 (1820). The genus Selloa appears from | 
this new material to be very close to Sabazia, but it may be distinguished 
by its filiform chaff and acaulescent habit, as well as by the presence of 04 
pappus of 2 to 6 filiform awns so caducous as to have escaped detection 
in the original examination of Mr. Pringle’s plant. 
3 
7 
Il. REVISION OF THE MEXICAN AND CENTRAL AMER- 
ICAN SPECIES OF TRIXIS. “ 
ee eT ee ee ee ae 
Sey a Ta One ea eae eae Tele 
3 
” 
Ag 
* 
B. L. Ropryson anv J. M. GREENMAN. 
_ TRIXIS, P. Browne. (Name from rpiéds, threefold, from ¢ 
three-cleft corollas.) The Mexican and Central American species are 
shrubs (except 7. michuwacana) with alternate to ovate-oblong rare! 
- disk-flowers are said to be 
scription corresponds far better. It should be remarked that Pringle’s no. 4921 has” 
on re-examination proved to be Sabazia Liebmannii, Klatt. 
