ROBINSON AND FERNALD. — MEXICAN PLANTS. 117 
in the type, but the. branches nearly smooth: leaves elliptic-oblong, } 
inch long, 2 lines broad: fruit hispid, but the bristles fewer and shorter. 
— Collected on the Sierra de las Gronillas, Sonora, at 5,800 feet, by 
Mr. Hartman, 2 October, 1890 (no. 58) ; the same thing seems to have 
been collected by Prof. Lemmon near Fort Huachuca, S. Arizona 
1883. Some of Mr. Hartman’s specimens show a tendency to inter- 
grade with the type. 
BELLIS ORTHOPODA. Perennial: rootstock short, thick, erect, 
giving off several tough fibres: stems 1-5, decumbent or suberect, 
4—5 inches high, simple, monocephalous, appressed pubescent, very leafy 
to above the middle : leaves thick, entire, appressed pubescent ; the rad- 
ical ones numerous, spatulate, obtuse, 9 lines long, 14-2 lines broad ; 
the cauline linear-oblong, erect, ciliate, becoming gradually smaller and 
acutish: peduncles 1-13 inches long, appressed cinereous pubescent: 
heads rather large for the genus, a little over an inch in breadth; in- 
volucral bracts lanceolate, acuminate, cinereous pubescent upon the 
membranaceous margin, 2}-3 lines long: rays about 30, light blue in 
a dried state, 6 lines long. — Collected at Guachachic, Chihuahua, by 
Mr. Hartman, 25 June, 1892 (no. 523). This species resembles 
closely the low and coarse forms of B. integrifolia, Michx., but 18 
to be distinguished by its vertical perennial caudex and few simple 
stems. 
ASTER LEPIDOPODUS. Perennial: root a cluster of simple fibres: 
stems several, slender, a foot high, scaly upon their spreading distinctly _ 
decumbent bases, hirsute, simple or bearing several erect slender nearly 
uaked monocephalous branches: reduced basal leaves narrowly deltoid, 
acute, entire, scarious, glabrate except upon the ciliated margins ; folie 
leaves of the stem oblong-linear, acutish, entire, erect, nearly an ee 
in length, 1} lines broad, glabrous, except upon the strongly ciliated 
margin and occasion&lly upon the midrib: heads about an inch in diam- 
eter; scales of the involucre 2(-3)-seriate, subequal, linear-lanceolate, 
acuminate ; the dark herbaceous middle portion hirsute: rays 20-20, 
narrow, pale rose-colored: achenes columnar, hirsute, 4-ribbed. — Col- 
lected in pine forests about Chuchuichupa, Chihuahua, by Mr. Hart- 
man, 14 June, 1891 (no. 697). A species apparently of the § Meg 
lastrum as regards involucre and achene, but more slender and less 
rigid in habit than the other species of this group. 
FRANSERIA NIVEA. Finely white tomentose or pale cinereous 
throughout, 1-4 feet high: pubescence persistent except upon the ee 
of the stem: leaves alternate, 2 inches long, spmewhat broader, 3-par if 
to the base; parts deeply pinnately late legen acutish, toothed 5 
