RYDBERG: Rocky MouNTAIN FLORA 447 
but still there is a plant of Montana, Idaho, and Saskatchewan, 
related to Tetraneuris acaulis, though differing in so many respects 
that it would be inconsistent to include it in that species. I 
therefore propose it as new: 
“ Tetraneuris septentrionalis sp. nov. 
An acaulescent perennial, with a short, thick cespitose-pulvinate 
caudex; leaves spatulate or oblanceolate, mostly rounded at the 
apex, 1.5-4 cm. long, 5-8 mm. wide, canescent-tomentose, sub- 
velutinous; scape 5-10 dm. high, rather thick, appressed-tomentose; 
involucres 6-7 mm. high, 12-15 mm. broad, densely villous; bracts 
elliptic, rounded at the apex; rays 8-10 mm. long, 5-6 mm. wide, 
very strongly veined; achenes silky-strigose; pappus scales ovate, 
abruptly short-aristate. 
This is related to Tetraneurts acaulis and T. simplex, but differs 
from both in the broader leaves, the looser pubescence, the usually 
shorter and stouter scape, and short bristle-tips of the pappus 
scales; from the former of these also in the less silky pubescence 
and the larger and more strongly veined rays, and from the latter 
in the dense pubescence. 
_ Ipauo: Palouse Country, June-July, 1892, G. B. Aiton (type, 
in herb. N. Y. Bot. Gard.). 
Montana: Fort Benton, John Persall 926; Livingston, June, 
1899, Tweedy. 
SASKATCHEWAN: Cypress Hills, June 23, 1894, John Macoun 
5078. ; 
Wyomtnc: Yellowstone Park, June, 1888, C. H. Hall. 
v Hymenoxys Macounii (Cockerell) Rydb. comb. noy. 
Hymenoxys Richardsoni, var. Macounti Cockerell, Bull. Torrey 
Club 31: 474. 1904. 
It is not plain whether Professor Cockerell intended this as a 
variety of H. Richardsoni or of his H. Richardsont, subsp. 
pumila. From the discussion, the latter interpretation seems 
most probable, but technically it seems to have been made a 
variety of the species. In habit it is most like H. pumila, but 
it has one character that was overlooked by Professor Cockerell, 
viz., the outer bracts are much thickened on the back, even sub- 
carinate. This would associate the plant with H. floribunda 
