(3102.) L. Nuttallii, Watson, Proced. Amer. Acad., XII., 450.
Stout and tall, more or less pubescent throughout, with loose woolly hairs; stipules, semi-sagittate, rather narrow; leaflets, 3 to 6 pairs, variable, narrowly or broadly elliptical, usually acute or acutish at both ends, apiculate, 1 or 2 inches long; rachis, tendril-bearing; peduncle shorter than the leaves, few-flowered; calyx teeth triangular, acuminate, the lower somewhat larger; petals reddish purple, (I to 8 lines long; pod, glabrous, oblong, attenuate to a very short thick stipe, 1 to 1 1/2 inches long by 4 lines wide; seeds, globose, brown. Common in thickets in British Columbia and Vancouver Island. In Part I., 121, this species was included in L. venosus, but is now separated by Dr. Watson.