Collected also by Dyall in Argya Monday Creek, and by Brown in the Rocky Mts.; in which collections it is referred dubiously to A. canadensis - which indeed it approaches, but the sepals are always shorter than the petals or more or less incurved, sometimes as much as in A. barbeyi, K., the limb being 1/3 taller than the petals yellow with the sepals sometimes tinged with scarlet, 2-3° high, flattened, with the carpels slightly exserted; loculus myriocarpa in aripo. Cp. with A. scabriuscula, Linn. No good spec. in Herb. Gray, & in the A. excalatum, Koenig, & differs from A. scabriusculum in the less basally directed sepals & in the broader lower petals which are dark slightly marked. 1940 [illegible] is intermediate in the form of the leaves while the upper petals are also bifid. It differs from A. elatum, dep., in its much broader lower petals which are more conspicuously glandular & less, while the flowers are much smaller Certainly not A. excalatum — May 27, N.Y.