STANDLEY TREES AND SHRUBS OF MEXICO. 493 



Leaflets broadly ovate, about 8 cm. long, acuminate, densely pubescent be- 

 neath ; fruit long-beaked. 



2. Ramirezella buseri (Micheli) Rose, Contr. U. S. Nat. Herb. 12: 274. 1909. 

 Piiaseolus buseri Micheli, Mem. Soc. Phys. Hist. Nat. Geneve 34: 263. pi. 13. 



1903. 



Ramirezella occidentalis Rose, Contr. U. S. Nat. Herb. 8: 45. 1903. 



Bamiresella glahrata Rose, Contr. U. S. Nat. Herb. 8: 45. 1903. 



Jalisco to Guerrero ; type from La Botella, altitude 350 meters. 



Leaflets ovate or* broadly ovate, 4 to 10 cm. long, acuminate, glabrate; 

 flowei-s purplish white, large and showy. 



With more ample material, it may be possible to recognize more than a 

 single species here. 



3. Ramirezella pringlei Rose, Contr. U. S. Nat. Herb. 12: 274. 1909. 



Known only from the type locality, Iguala Canyon, Guerrero, altitude 900 

 meters. 



Leaflets 6 to 10 cm. long, glabrate ; corolla violet, 2 cm. long. 



4. Ramirezella strobilopliora (Robinson) Rose, Contr. U. S. Nat. Herb. 5: 



44. 1903. 



Vigna strobilophora Robinson, Proc. Amer. Acad. 27: 167. 1892. 



Chihuahua to Jalisco; type collected near Guadalajara. 



Scaudent shrub, the stems sometimes 2.5 cm. thick ; leaflets 6 to 8 cm. long, 

 acuminate; flowers purple and white, in dense racemes; fruit 9 to 12 cm. long, 

 about 1.5 cm. wide. 



37. CLITORIA L. Sp. PI. 753. 1753. 



Shrubby or herbaceous plants, often scandent ; leaves pinnate, with usually 

 3 leaflets ; flowers large, showy, solitary or clustered in the axils of the leaves 

 or short-racemose. 



Besides the species listed here, C. ternatea L., a herbaceous vine, with 5 leaf- 

 lets, also occurs in Mexico. 



Leaves sessile or very short-petiolato 1. C. subsessilis. 



Leaves long-petiolate. 



Flowers about 7 cm. long 2. C. javltensis. 



Flowers 2 to 4 cm. long. 

 Plants scandent. Leaflets acute or acuminate, pale beneath. 



3. C. mexicana. 

 Plants erect. 



Pubescence of the stems appressed 4. C. multiflora. 



Pubescence of the stems spreading. 



Flowers about 2.5 cm. long 5. C. triflora. 



Flowers about 4 cm. long 6. C. humilis. 



1. Clitoria subsessilis Rose, Contr. U. S. Nat. Herb. 5: 169. 1899. 

 Oaxaca ; type collected between Guichocovi and Lagunas. 



Plants low, erect, herbaceous or suffrutescent ; leaflets linear-oblong, obtuse; 

 flowers 4.5 to 5.5 cm. long. 



2. Clitoria javitensis (H. B. K.) Benth, Journ. Linn. Soc. 2: 42. 1858. 

 ISleurocarpum. javitense H. B. K. Nov. Gen. & Sp. 6: 409. 1823. 



Reported from Veracruz and Mexico. Panama and northern South America ; 

 type from Javita. 



Scandent or repent shrub ; leaflets oval or elliptic, acuminate, 8 to 15 cm. 

 long, pubescent beneath. 



