CATALOGUE. 217 



linear from an ovate-lanceolate base, lower ones pectinate-pinnatifid, 

 exceeding the flowers; calyx about equally 5-cleft, lobes lanceolate, entire, 

 about half shorter than the tube ; corolla 1 inch or more long, striate, 

 dirty-green; galea hooded at the apex, not beaked, truncate, 2-toothed, 

 scarcely equalling the 3-lobed lip. — Mosquito Pass, Colorado, 1873, Wolf 

 (284); Willow Spring, Arizona, July, 1874, Rothrock (212); Mount 

 Graham, August (45 a). 



Pkdiculaeis kacemosa, Dougl. (Watson, I. c. .p. 234). — Twin Lakes, 

 Colorado, 1873, Wolf (320). 



Pediculaeis Paeeyi, Cray. — Very smooth, except the ciliated bracts ; 

 stem 6 to 12 inches high, more or less bracted ; leaves linear-lanceolate, 

 pectinate-pinnatifid, petioled, cauline ones small, segments linear, acute, 

 about 3 lines long, cartilaginous-serrate ; bracts small, trifid ; flowers 

 numerous, short-pedicelled, in a narrow spike 1 to 2 inches long, dirty- 

 yellow; calyx membranaceous, marked with 5 striae, at length subinflated; 

 teeth 5, short, lanceolate, very entire, lanuginose within ; galea narrow, 

 apex incurved, gradually produced into a longish, emarginate beak, which 

 is sometimes decurved, much surpassing the lower lip; filaments very 

 smooth— South Park, Colorado, July, 1873, Wolf (282). 



OROBANCHACEtE. 



Aphyllon fascpoulatum, Cray. — Colorado. Attached by its rootlets 

 to those of Artemisia frigida, Willd. 



Aphyllon multifloeum, Cray (A. erianthera, Engelm. Proc. Amer. 

 Acad, vii, p. 372). — Low, stem 1-3' high; lower flowers pedicellate; flowers 

 purplish, 8" long; calyx-lobes linear, acute, 6" long; anthers very woolly. — 

 Utah. 



BIGNONIACE^. 



Maetynia peoboscidea, Clox. — San Francisco Mountains, Arizona. 

 Maetynia, probably violacea, Engelm. — Too poor to determine. — 

 Rock Creek Canon, Arizona (313). 



Chilopsis* saligna, Don (C. linearis, DC. Prod, ix, 227, and of Bot. 



* Chilopsis, Don. — " Calyx membranaceous, ovate in the bud, irregularly bilabiate, often split 

 deeper on one side. Corolla funnelform, ventricose above, with an ample bilabiately 5-lobed spreading 

 limb; the rounded lobes erose and undulate. Stamens 4 and a sterile filament; cells of the anther 



