EO EE 
nay 2) 2 I 
1900] ROCKY MOUNTAIN HERBARIUM 95 
midrib not evidently thickened, very narrowly we 
nate, about 5™™ long: nutlets obscurely roughened under a lens, 
ovate with sub-acute Sue, tess than 27° long, the narrow Bore 
forked at base but without conspicuous open areola, similar, 
usually only three maturing. a Sikes 
This species is allied to C. Pattersoni and to C. ramulosissima. ints 
it is intermediate between them, but in floral and fruit characters it differs 
ROSE fan i 6440, from Snake river, Yellowstone park, August 13, 
1899, . 
CRYPTANTHE AFFINIS flexuosa,— Evidently allied to C. affinis, 
buta larger plant, 3—54m high: stems loosely branched from near 
the base upward, the branches long and flexuous: leaves ee 
rowly oblong, oy long: fruiting spike long and open ; ep s 
lanceolate-acuminate, densely hispid at base, the tips Te 
*pen and spreading, 6—gm™ long: nutlets mottled, smooth an 
shining, Ovate-acute, about 2™™ long, the ventral groove nearly 
Closed, forked at the base but without areola. “oe 
This May prove worthy of specific rank, but until further material is 
i : ; ther 
“cured it may best Stand as a variety. The species, I think, occurs fur 
toward the west and northwest only. 
Secured in Jackson’s hole, near Jackson’s lake, August 17, 1899. 
Mertensia amoena.— Root somewhat woody, more or less 
branched, surmounted by a branched caudex: branches of the 
“audex few to several (3-8), crowded, erect, closely covered 
with dead leaf-bases : stems one or more from each crown, sim- 
Pie “scending, ;—2am high, pubescent with short spreading or 
Ctisped hairs : Crown-leaves oblong-lanceolate, sub-acute, glab- 
Je eink softly hispid-pubescent above and on the s 
Oe ots long, about one fourth as broad, on slender petioles which | 
= hows longer than the blade: stem leaves rather crowded, 
€ar or narrowly oblanceolate, sessile, 3-6™ long, 
milar to that of the root-leaves; inflorescence 
Rio calyx-lobes lanceolate, sparsely ciliate-hirsute, about 
é as long as the tube of the corolla; corolla about 15" a 
€ tube scarcely longer than the campanulate limb, the lobes 
the limb abo 
; . 4 ents 
ut half its length, crests inconspicuous; filam 
