Pe 
Enumeration of Plants of the Rocky Mountains. 239 
_» 41. Artemisia borealis, Pall. 
A 2. Artemisia Richardsoniana, Bess. A form with looser pubescence 
and acute lobes to the leaves. 
__ 43. Artemisia frigida, Willd. 
_» 44. Artemisia filifolia, Torr. From the region where Dr. James first 
collected it. 
Dunal. 
49. Limosyris viscidi L. ciliata, Torr. &e. 
a osyris viscidiflora, var. 7. &. ciliata, heather ia 3 
50. Helianthus ( pee Nutt.?): caule 1-3-pedali hispido oligo- 
“eephalo; folii iti is subintegerrimis cinereo-his 
dis (novellis resinoso-atomiferis) juxta basin triplinerviis breviter petiola- 
bus 
x a rocky hill bordering the upper Clear Creek.” Dr. 
- ito e btn ee His specimens, being too 
Baw I had confounded with H. rigidus; but the int is nearer 
-letifiorus, If it is not Nuttall’s obscure H. pumilus it must be a 
ies. Th said to have the heads “apparently sessile. 
: red that they were not well developed in 
Nuttall’ specimen, In ours they are on slender peduncles. 
~~ 81. Helianthus orgyalis, DC. This seldom occurs mn collections. 
api: Aplopappus Pyrrocoma) Parry? (sp. nov.): caule 
uamis lato-lanceo- 
lt on: coriaceis apice subfoliaceo pea oT TE eo : 
spect of a Ser; . . Oregonensis; heads half an inch 
of a Sericocarpus, especially of : linear, but i a a 
‘flowers. Pappus white in the flowering specimens (unknown in 
<nature state) send equalling the disk-corollas. “These specimens grew 
; in open 
” 
Fe ’ : ili sesqui- 
© cernuus (sp. nov.): mox glaber; caule grac é 
pedali apice one es ‘o; foliis lanceolatis basi in petiolum 
“ 
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