12 RypBerG: Srupres ON THE Rocky MounTAIN FLORA 
Rydb. to a synonym of S. tenuifolia (Torr.) Hall. In the her- 
barium of the New York Botanical Garden there is a good speci- 
men of P. ramosa collected by Aven Nelson and Elias Nelson, 
viz., no. 5985. This is labeled Ptiloria pauciflora (Torr.). Raf. 
It agrees well with Nelson’s description of S. pauctflora, except 
as to the pappus, but it is very unlike the type of Prenanthes 
pauciflora Torrey, collected by James and preserved in the her- 
barium of Columbia University. Ptiloria pauciflora, so far as 
I know is not found so far north as Wyoming. 
ADOPOGON 
Professor Nelson has readopted Krigia for this genus and 
perhaps rightly so, as most of Necker’s genera can scarcely be 
called published. However, he wrongly adopts the name Krigia 
virginica (L.) Nels. for the only species found in the region, not- 
withstanding the fact that there is an older Krigia virginica 
(L.) Willd. 
CREPIS 
Under Crepis runcinata we find in the New Manual the follow- 
ing synonyms and remarks. ‘(C. platyphylla Greene ... ; 
C. glaucella Rydb. ..., C. tomentulosa, C. perplexans, and 
C. petiolata Rydb. ... To recognize the foregoing one would 
first have to assume a hypothetical C. runcinata.)’’ There is 
hardly need of assuming a hypothetical C. runcinata, for there 
are found in the region where the type of Hieracium runcinatum 
Torr.* was collected at least two plants which agree very well 
with the original description. One is the plant for which I have 
adopted the name Crepis runcinata, the other is C. riparia A. 
Nels. Most of James’ plants are in the old Torrey herbarium, 
but the type of Hieracium runcinatum is not there. Torrey’s 
description is very clear, however, and calls for a strongly hairy 
plant. All the synonyms cited above, except C. platyphylia, repre- 
sent glabrous plants (except as to the involucres), and more closely 
related to C. glauca than to C. runcinata. Crepis platyphylla 
Greene is closely related to C. riparia and perhaps not distinc , 
*Ann. Lyc. N. Y. 2: 209. 1826. 
