12 
of linear-oblong and obtuse but apiculate and short-pubescent _ 
- divisions. Root leaves with stout and nearly marginless peti- 
oles, 4-6’ long. Stem leaves with conspicuous, very broad, 
clasping, hyaline-margined and nerved petioles which on all 
but the lowest leaves are wholly dilated and an inch long. 
above and narrowed below. Oil tubes 2-3 in the intervals. 
ths Sliform and raised into narrow wings toward the tip. 
Siani‘estly a close ally to C. vaginata and the caruifolia group, 
from careful field study from the flowering time to maturity of 
the seeds. 
Cymopterus Duchesnensis, n sp. M yton Utah among loose 
rocks on southern slopes of mesas. Densely cxspitose, with 
deep and rather fleshy, coarse and branched roots. Crowns 
several, coarse and thick (about an inch thick), with imbricated 
and very thick and woody old leaf-petioles an inch long which 
become slightly fibrous when they rot. Nearly acaulescent. 
Leaves many, on long and slender petioles, 3-5” long, erect 
ba 
bright-green, thick, pinnate, of one or two pairs of deltoid-cu- 
