W ATSON- - Plants of Bernalilio County 
plant of the mesa seems to belong here but mine have 
a yellow stadard. 
D. AtopecurorpEs, Wild. Annuals, erect and much 
branched, 1 to 2 foot high; leaflets 10 to 20 pairs linear- 
oblong; flowers light rose color or whitish, in cylin- 
drical spikes which are dense; bracts ovate-lanceolate, 
acuminate, deciduous; ealyx with long slender teeth. 
University Campus. Sept. ’07. | 
D. Nana, Torr. 4 to 6 inches high, diffusely spread- 
ing and repeatedly branched, leafy to the spikes; leaf- 
lets 2 to 4 pairs, rarely pinnately 3-foliate, oblong or 
obovate; flowers yellow. Sand Hills. | 
D. tanata, Spreng. Decumbent and the whole plant 
clothed with a soft almost wooly pubescence; leaflets 4 
to 6 pairs, obovate-cuneate, emarginate, 1-2 in. long or 
less; spikes elongated, rather loose, many flowered, 
on rather long peduncles; bracts ovate with a long 
acumination ; calyx teeth subulate plumose, dilated at 
base, as long as the tube. On the terrace mesa in the 
small arroyos. 
D. Scoparta, Gray. ‘A broom-like plant with rigid 
slender branching, stems, naked below and roughened 
all over with large pustulate glands,” the branches ter- 
minated by small globular heads of deep violet flowers ; 
leaves mostly simple and linear, the lower ones with 
3 linear leaflets. Along the arroyas. Terrace Mesa. 
8. Prratostemon, Mz. Prairie Clover. 
Perennial upright herbs, with minute stipules, small 
flowers in very dense terminal and peduncled heads or 
spikes. In ours the plants are glabrous, 
Corolla white, 
Leaflets 7 or 9, spikes oblong when young, ..-. .P 
CaNDIDUS, 
Leaflets 5 or 7, hah cylindrical, 
P. MACROSTACHYUS. 
Cheoltey Patel le or ral - - P, PURPUREUS. 
P. Macrostacuyvs, Torr. Leaflets lanceolate-ob- 
or linear-oblong, sparingly dotted beneath; heads ob- 
long, cylindrical when old, bracts awned, longer than 
the nearly glabrous calyx. On mesa and valley. 
P. Macrostacuyvus, Jorr. Leaflets lanceolate-ob- 
long, obtuse, dotted beneath; bracts as long as the flow- 
ers, calyx silky villous. Near Barelas bridge. July 
and August. 
(62) 
