159 



have not been able to separate Nissolia setosa Brandegee, 1 the presence or absence of 

 yellow setae on the calyx being very variable. 



Specimens examined — 

 United States: 



Arizona, Santa Catalina Mountains, C. G. Pringle, August 3, 1881. 



Mexico: 



State of Sonora, by streams near Altar, C. G. Pringle, August 26, 1884; Gnay- 

 mas, Dr. Edward Palmer, 1887 (No. 170) ; Alamos, Dr. Edward Palmer, Sep- 

 tember 16 to 30, 1890 (No. 638). 



Lower California, San Pedro, T. S. Brandegee, October 30, 1890 (No. 140). 



State of Chihuahua, southwestern part. Dr. Edward Palmer, August to Novem- 

 ber, 1885 (Nos. 57 and 113). 



d ^e f 



Fig, 18.— Nissolia nchotlii. 



dd. Calyx softly pubescent without. 



e. Calyx broadly campanulate; banner cuneate at base. 



Nissolia platycalyx Wats. Proc. Am. Acad. 17 : 3 14. 1882. Figure 19. 



This species is known only from Dr. Edward Palmer's typo specimens collected in 

 the mountains east of Sal- 

 tillo, 1880 (No. 248 in part). 

 With this species was col- 

 lected a second one, which 

 was distributed under the 

 same number. This will be 

 found referred to below un- 

 der the name of N. dodyei. 

 We have a duplicate type 

 (Type No. 293) in the Na- 

 tional Herbarium. 



ee. Calyx narrower, tubular; 

 banner rounded at base. 



f. Leaves dull green, lanceolate 

 often acutish. 



Nissolia pringlei Rose. sp. 

 nov. Figure 20. 



Probably a climbing vine; 



leaflets 5, lanceolate to ob- 

 long, rounded nt base, acute or obtuse at apex, long-apiculate, nearly or quite glab- 

 rous,' pale green, rather thin in texture, 25 mm. or less long; calyx tubular, pubes- 



'Ki. 1!).— Tiissolia platycalyx. 



1 Pro.-. Cal. Acad. ser. 2, 3 : 127. 1891. 



