308 
‘ Original locality, Matamoros, Mexico. 
Type in Herb. Mus. Par. Authentic specimens, Berlandier, 
no. 2334 in Herb. Columbia University. 
Along rivers, southern Utah, New Mexico, Arizona and 
Texas to Guatemala.* 
Arizona: Fort Verde, Mearns, no. 238. 
New Mexico. Rusby, no. 261; Wright, no. 1680. 
Texas: San Diego, Mary Croft, no. 70; Mexican Boundary 
Survey, below Presidio del Norte; Berlandier, no. 904. 
Mexico: Berlandier, no. 2334; Thurber, no. 368, 1851; Paso 
del Norte, Chihuahua, no. 1324. 
PHILIBERTELLA HARTWEGII. Ns OF | 3 
Sarcostemma lineare Decne.; Benth. Pl. Hartw. 25. 1840. Not 
Sprengel, 1822. 
Philibertia linearis’ A. Gray, Proc. Am. Acad. 12: 64. 1876. 
Original locality, Leon, Mexico. 
Type, Hartweg, no. 217. 
Southern Arizona to Lower California and South Mexico. 
Fremont’s Expedition to California, 1849, without locality. 
Southern California: Parry and Lemmon, no. 230. 1876. 
Lower California: Lieut. Pond, 1889; ae Head, Palmer, 
no. 814. 1889. 
Mexico: Gregg, 1847; Sonora, Capt. Smith; Sonora, Thur- 
ber, 369, 1851. 
PHILIBERTELLA HARTWEGII HETEROPHYLLA, (Engelm). 
Sarcostemma heterophylla Engelm., in Torr, Pac. R.R. Rep. 5: 
Appendix, 362. 1856-57. 
Philibertia linearis var. heterophylla A. Gray, Proc. Am. Acad. 
12: 64. 1876. 
Very variable. The broader leaved forms seem to approach 
the narrower-leaved specimens of P. crispa, but they are thinner 
and much shorter. The gynostegium seenis to be iavatjably 
sessile or nearly so, and the lobes of the corolla are always acute- 
Original locality, Fort Yuma, California. Type in Herb. Co. 
* A specimen of this species labelled Gonolobus viridiflorum Nutt., preserved in 
Herb, Columbia University is claimed to have been collected near St. Louis, Missouri, © 
by Dr. “pies 
