494 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



3. Clitoria mexicana Link, Enum. PI. 2: 235. 1822. 

 Veracruz, Puebla, and Oaxaca. Guatemala. 



Stems slender, scandent, herbaceous or suffruticose ; leaflets ovate, 4 to 6 cm. 

 long ; flowers blue ; fruit 3.5 to 5.5 cm. long, 6 mm. wide. 



Closelj' related to C. tnariana L., under which name it has been reported from 

 Mexico. 



4. Clitoria multiflora Mart. & Gal. Bull. Acad. Brux. 10^ 18S. 1S43. 

 Clitoria poUjstacliya Bentli. PI. Hartw. 60. 1840. 



Tepic to Oaxaca and Veracruz; type from Mirador, A'eracruz. 

 Erect shrub, about a meter high ; leaflets mostly ovate, acuate or acuminate, 

 4 to 11 cm. long; flowers white, spotted with violet, 3 to 3.5 cm. long. 



5. Clitoria triflora S. Wats. Proc. Amer. Acad. 2: 407. 1887. 

 Dnrango, Jalisco, and Michoacfln ; type fx-om Rio Blanco, Jalisco. 



Plants erect, 30 to 60 cm. high, suffrutescent ; leaflets oblong-lanceolate, 4 to 

 9.5 cm. long, obtuse or acute; flowers dark purple and lilac; fruit about 4 cm. 

 long and 6 to 7 mm. wade. 



Clitoria monticola T. S. Brandeg.,* described from Baja California, is closely 

 related, judging from the description. The writer has seen no material of it. 



6. Clitoria humilis Rose, Contr. U. S. Nat. Herb. 5: 169. 1899. 

 Known only from the type locality, Sierra Madre of Durango. 



Plants herbaceous or suffrutescent, 10 to 20 cm. high or larger; leaflets 

 oval or oblong; flowers apparently white. 



38. DIOCLEA H. B. K. Nov. Gen. & Sp. 6: 437. 1823. 

 1. Dioclea guianensis Benth. Ann. Wien. Mus. Naturg. 2: 134: 1838. 



Tabasco. Central America and northern South America ; type from British 

 Guiana. 



Scandent shrub with pinnately 3-foliolate leaves, the leaflets broad, 5 to 12 

 cm. long, short-acuminate, pubescent ; flowers purple or blue, 3 cm. long, in 

 long, spikelike racemes; fruit flat, about 9 cm. long and 1.5 cm. wude. " Haba 

 de monte " (Panama). 



39. CAN A V ALIA Adans. Fam. PI. 2: 32.j. 1763. 

 Scandent or prostrate herbs or shrubs ; leaves pinnately 3-foliolate ; flowers 

 large, racemose ; fruit flat, bivalvate. 



Several herbaceous species occur in Mexico. The generic name was originally 

 written Canavali. 

 Valves of the fruit each with 2 central costae ; leaflets glabrous beneath or 



nearly so 1. C. acuminata. 



Valves of the fruit each with one central costa ; leaflets usually pilose be- 

 neath. 

 Lower calyx lobes minute, lance-ovate, very acute; calyx thinly sericeous 



or glabrate 2. C. villosa. 



Lower calyx lobes large, orbicular ; calyx very densely sericeous. 



3. C. hirsuta. 



1. Canavalia acuminata Rose, Contr. U. S. Nat. Herb. 1: 322. 1895. 

 Known only from the type locality, Manzanillo, Colima. 



Scandent shrub, nearly glabrous ; flowers large, cream-colored ; fruit 15 to 

 20 cm. long, flat; seeds brownish black. 



2. Canavalia villosa Benth. Ann. Wien. Mus. Naturg. 2: 135. 1838. 

 Canavalia rostrata Benth. Ann. Wien. Mus. Naturg. 2: 135. 1838. 



'Univ. Calif. Publ. Bot. 6: 500. 1919. 



