156 BOTANY. 
delicate scarious margin; fertile flower with the style and stigma projecting 
one-fourth its length beyond the truncate, filiform corolla, the copious 
pappus reaching to the tip of the stigmas; achenia narrowly cylindrical, 
smooth, covered with minute papille: sterile flowers with a less copious 
pappus and the tube dilated upwardly, deeply cleft—Southern Arizona, at 
about 5,000 feet altitude (580, 447 ¥ 
Baccuaris sauicina, T. & G.—Shrubby at base, erect, 6-8° high, 
smooth; leaves lanceolate, usually obtuse, entire or irregularly dentate, 
tapering to a petiole; inflorescence in a compound corymb; heads: sessile 
or with a very short pedicel; scales of the involucre obtuse, broadly ovate, 
with scarious sub-fimbrillate margins; fertile flowers having a silky pappus 
twice as long as the truncate flower and its exserted stigma; achenia smooth, 
cylindrical, with many ribs; receptacle with distinctly fimbrillate alveoli; 
sterile flowers having less copious pappus and a rather slender tube; flower 
deeply cleft—Southern Arizona and New Mexico (771); also from San 
Luis Valley, Colorado (456); Nevada. 
BacciaRis HALIMIFOLIA, L—Nevada and Arizona. 
Baccuaris Wricutu, Gray (Pl. Wright. 1, p- 101).—Herbaceous, 
glabrous, 1-2° high, diffusely branched from the base, the branches some- 
what flexuose and angular-striate; lower leaves spatulate, 4” long, upper 
gradually reduced; fertile flowers with lanceolate acute scales to involu- 
cre, the margins of which are scarious and the middle green; pappus tawny, 
9” long; achenia 2” long, terete, plainly ribbed and with transverse rugo- 
sities between the ribs. I have not seen the sterile plant; a good 
description of it is found where the plant was first described.—Central New 
Mexico at 6,000 feet altitude (93). 
Baccuaris Emoryi, Gray (Bot. Mex. Bound, p. 83).—Shrubby, much 
branched, with the branches sharply ribbed and angular; leaves few, obtuse, 
linear, 2-7” long; heads small, terminal; scales of the involucre in 4—5 
series, the outer ones ovate, obtuse, with finely denticulate scarious margins, 
the inner ones nearly twice as long, linear and acutish; fertile flower with 
copious white or light-brown pappus, which is 3-5’ long; achenia less than 
a line long; sterile flower with tube gradually dilated upward; pappus of 
a few bristles, some of which are distinctly clavate—Arizona. 
