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CRITICAL NOTES ON CERTAIN VIOLETS. 39 
hastate: peduncles well surpassing the leaves: flowers small, 
yellow, the upper pair of petals red-purple externally. 
National Park, Wyoming, on dry hills; collected in 1893 
by Mr. Burglehaus, and distributed as V. aurea, var. venosa ; 
the small leaves very like those of some small Atriplex or 
Chenopodium ; the pubescence as characteristic as are the 
long thickened or flattened petioles. Of this excellent spe- 
cies I have seen no specimens but those contributed to the 
herbarium of the Catholic University by Father Langlois. 
V. LINGUXFOLIA, Nutt. in T. and G. Fl. i. 141. In an 
ample sheet of specimens of “ V. Nuttallii,” given me by Mr. 
Kelsey, collected by himself at or very near the original 
locality of V. linguzfolia, two good flowering specimens pre- 
sent so strong a eontrast with the others (which are all the - 
. real Nuttallii) that I promptly transferred them to my pre-, 
morsa cover, though without examination; not, however, as 
thinking them to be very good premorsa; and they come 
from a good distance east of the proper range of that species, 
really inhabiting the Rocky Mountain Region, while pre- 
morsa belongs to the Pacific slope proper, where the climate 
is very different from that of the Camass Prairie. The 
pubescence is of a different character from that of Nutiallia ; 
the leaves do not taper to the petiole; the proper stem is 
shorter, and the twice or thrice larger flowers are borne well 
above the leaves. At the same time, while thus approach- 
ing premorsa in character, that species is still very different. 
I doubt not that V. linguzfolia will both prove itself a good 
Species, and also take in a considerable part of what, since 
the recent reinstatement of the long-suppressed V. premorsa, 
has been referred to that species. 
V. PRÆMORSA, Dougl. Bot. Reg. t. 1254. For this beau- 
tiful species there exists perhaps no herbarium type. It was 
described and figured from a plant growing and blooming 
in the garden of the London Horticultural society ; the name 
