STUDIES IN THE COMPOSITAE. 285 
collected in August, 1884, by R. Bell, the specimens being 
in the Canadian Survey collection, on sheet n. 11248. 
A. GLABRATA. A. alpina, var. glabrata, J. Vahl in FI. 
Danica, xlvii, t. 2786, fig. 4. Dwarf and tufted, the offsets 
short and suberect, the whole plant glabrous even from the 
first, except an obscure somewhat glandular pubescence on 
the pedicels and outer bracts of involucre: leaves narrowly 
spatulate-linear or oblanceolate, acute, 4 to $ inch long: 
stems very slender, either monocephalous, or with 2 or 3 
heads on distinct and almost filiform pedicels: bracts of the 
involucre oblong-lanceolate, acute, dark-colored as in A 
alpina. 
Dry rocky places among grasses, in northern Greenland, 
21 July, 1886, Theodor Holm. The only known species that 
is destitute of woolliness or tomentum. 
A. LaBRADORICA, Nutt. Trans. Am. Phil. Soc. vii. 406. 
More than thrice the size of A. alpina, the slender stems 8 
or 10 inches high, but the leaves not at all larger than in 
that species, much more broadly dilated at summit, well 
rounded and cuspidate-mucronate, very bright green and 
glabrous above from the first: heads usually 2 or 3, all on 
filiform pedicels 4 to 1 inch long, the lateral twice the length 
of the terminal one. 
Certainly very distinct from A. alpina, and perhaps rare 
or local. Two specimens are in the Canadian Survey col- 
lection, from Stillwater, Labrador, obtained in 1896. 
A. MONOCEPHALA, DC. The characters of this far-north- 
ern and insular species are better given by Lessing in 
Linnea, vi. 221, than by De Candolle. The last-named 
author does, indeed, mention that the leaves have indument 
on the lower face only ; yet Lessing’s referring the plant to 
A. alpina implies that character. It seems never to have 
been recognized by either of the two celebrated botanists 
