302 The Botanical Gazette. [Augast, 
when fresh appear coarse, large and showy.” Possibly m- 
ture fruit will indicate greater differences, _ 4 
9. MERTENSIA LANCEOLATA DC.—A low white-flowert 
form, with narrow sharply acute leaves, and filaments broal- 
er and longer than usual (almost twice as long as the shot 
greenish anthers) has been collected by Mrs. S. B. Walta 
near Castle Rock, Douglas county, Colorado, 1892, The 
form would seem to deserve varietal rank in a less polymor 
phous species. | ed 
10. MIMULUS LEwISsII Pursh, var. exsertus, n. vat.—A 
tall form, with broader leaves(6 to 9™ long, 2.5 to 3.2 wide) 
which are acuminate and perfectly entire, corolla 4.5” om 
with the broad tube about half exserted (limb reddish-purple 
and tube lighter colored), and the whole plant more of le 
viscid pubescent.—High mountains of northern Colorado, 
George E. Osterhout of New Windsor, Colorado. 
11. Pentstemon linearifolius, n. sp.—Near E Lal 
Gray, but grayish throughout with soft white pubesce 
stems erect, about 3 high, from a very long horizot 
slender woody rootstock: leaves smaller, linear (sometl : 
narrowly lanceolate), entire (rarely a very few inde 
tulations), 4 to 5™ long: raceme six to Pe 
more glandular: flowers much smaller (2.5 fe = 
light purple: anthers less woolly: pod oblong-ov - a 
acute, 15"" long, longer than the narrowly - 1802, % 
tenuate sepals.—Near Lake Pend d Oreille, Idaho, 
an elevation of 3,000°, D. 7. MacDougal. nd 
12. PENSTEMON HUMILIS Nutt.—A form with longet 
duncles and pedicels than usual, making 4 pa )o 
inflorescence, was collected by Mrs. S. B. ibe on of f “0 
lass County, Colorado, May, 1892, at an elevatt LEO: 
13. PENTSTEMON CONFERTUS Dougl., vat: ae 
PUREUS Gray.—A form with lorg peduncles of 
flowers and so forming a much looser pecs near Hele 
almost uniformly denticulate, was collec 
Montana, June, 1891, by F. D. Kelsey. 
14. Pentstemon ellipticus, n. are arising 
ceous, minutely puberulent, 7.5 to 12-5 parently 
branches from a more or less horizontal ean coriace® 
ranean) woody stem: leaves firm but a 
broadly elliptical to nearly rotund, obtuse, ; . 
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