1899] BRIEFER ARTICLES 127 
As limited by the earlier writers this is a variable but a recognizable 
species. When many of the following were incorporated, the diffi- 
culties of the field botanist were multiplied several fold in respect to 
this species. 
TEYTRANEURIS ACAULIS cespitosa, n. var.—Strongly matted, depres- © 
sed-spreading, the numerous branches of the caudex much thickened 
by the imbricated leaf-bases: leaves very numerous and crowded, 
densely silky-lanate as are also the scapes and involucre: heads nearly 
sessile or on scapes 3-6™ long. 
That specimens of this variety exist in some herbaria as 7. acau/is is’ 
possible, though in the large series in the Herb. Mo. Bot. Garden none were 
found. Its matted habit, silky-lanate leaves and very short scapes easily 
Separate it. It occurs sparingly on sandy ridges in the foothills. Laramie 
hills nos. 1890 and 4314 represent it. 
Tetraneuris simplex, n. sp.—Tap root vertical, short, compara- 
tively small with few or many secondary roots: caudex short, consist- 
‘ng of one or more thick crowns which are densely covered with brown 
dead leaf-bases: leaves appressed-pubescent (not silky), nearly naked 
arsely long-hairy, glabrate in age when the fine puncta- 
i vident, crowded on the crowns, ascending or erect, 
near spatulate, tapering only slightly to the margined base, sub- 
meat” long : Scapes simple, single from the crowns, 15-25 high, 
‘lender, erect, lightly pubescent below, becoming silky or lanate above 
wy on the involucre : head large, 2.5—4™ across; rays with a broad 
ligule (5-8"") : akene pubescent. 
ding the two in the field. 7. acaulis is always cespitose, often in 
are shorter, the heads smaller, and the rays 
mplex. The leaves of the latter are comparatively 
€ first, strongly in contrast to the silky or even lanate pubes- 
er, 
Slabrate from th 
“ence of the oth 
sy i aks nave stthie been inclined to call this 7: acaulis is shown 
l. scatosa 5 = of - occur in the herbaria just as often ticketed 
‘hether Z; in 2 ep linearis, though to these it is not so closely related. 
© determine, 5, *S or ZT. simplex is the original Galardia acaulis is difficult 
> ve term « pilosa” in the original description, and the 
