+ BOTANICAL OBSERVATIONS IN WESTERN WYOMING. 211 
and all the flowers pure white. This alone, we then thought well 
worth our thirty miles’ journey on horseback; but a few weeks 
later, the discoverer of the plant conducted us to one of his orig- 
inal localities of it, near the summit of. Parry’s Peak in Colorado. 
At the margin of a shallow pond, walled in on one.side by 
rocks, and hidden on the other by a growth of aspens, we fright- 
ened, from his herborizing' among the sedges, a fine black-tailed 
deer and gathered for ourselves some large specimens of the 
brilliant Pedicularis Grenlandica Retz, and the large silvery 
leaves of the rare Nardosmia sagittata Hook. ‘But the day was 
now past the meridian, and we were obliged to take leave of this 
interesting ground, in order to reach Cheyenne at a reasonable 
hour of the evening, gathering by the way, upon the lower plains, 
the vespertine Mentzelias and Œnotheras, which unfold their 
petals towards sunset, and breathe Kurang upon the air of 
Hn 
BOTANICAL OBSERVATIONS IN WESTERN WYOMING. 
— BY DR. C. C. PARRY. 
———_o—— 
. NO. IV.— APPENDIX; DESCRIPTIONS OF NEW SPECIES, ETC. 
Tae numbers are those affixed to the tickets in the distributed 
collection, and referred to in the preceding articles. The charac- 
ters or descriptions which follow are by the botanists respectively 
whose names are appended to their several contributions, — in 
which the collector, having been summoned to a remote frontier, 
is able to take only a small part. 
Esir.—Acaulescent, minutely soft-pubescent; leaves all anew 
Aquinecia JON 
Sighs the persistent scale-like dilated bases of their petioles imbricated on the stout 
ascending bran ches i e roo tstock, biternately divided; the primary Toe with 
ent 
eo 
g straightish spurs; styles long, exserted ; pods turgid, Sieh ete ee ooth.— 
ot crevices of 1 ntain forming 
Close clusters.~ A remarkable and most distinct, very dwarf species, colleeted eted July 
B mostly out > flower, and with Eon k fruit; but a few blossoms were se- 
Cured. _The species is dedicated to Capt. W. A. Jones, U. S. Engineer, who first 
detected ted this interesting species, and to ‘woes efficient aid as Commander of the 
expedition t 
Won LOC 
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