72 LegliminosCZ. [Phaseolus; 



Dr.Thwaites did not distinguish this from P. trilobtis, and it is scarcely 

 separable as a species. I have never seen this in cultivation in Ceylon,, 

 but suspect it is sometimes grown in the North. 



6. P. Mas,* L. Sp. PL 725 (1753). Iffun, Xftun-gta, Su-me. 

 S. Chiruppayaru, T. 



Herm. Mus. 22. Fl. Zeyl. n. 280, Moon Cat. 52. P. Mungo, L., ; 

 Moon Cat. 52. 



Fl. B. Ind. ii. 203 (P. Mungo). Duthie, Crops N.W. Prov. t. 9. 



An annual herb, stem erect, about 2 ft, branching, an- 

 gular, clothed with spreading or deflexed hairs ; l.-rachis long, 

 hairy like the stem, stip. peltately attached near the base,, 

 ovate, acuminate, lflts. 2-3 in., ovate, acute, more or less hairy 

 on both sides, thin, the lat. ones dilated on lower side; fl. about 

 \ in. shortly stalked, 4-6 crowded at end of stout hairy 

 peduncles shorter than 1.; cal. silky, lowest segm. lanceolate;, 

 standard much broader than long, keel curved into more than 

 a circle; pod 2-2 \ in., linear, nearly cylindrical, shortly beaked, 

 more or less hairy with spreading hair; seeds 8-12, small 

 \-\ in., oblong-ovoid, truncate or blunt at ends, green or 

 blackish. 



Var. /3, radiatus, Baker in Fl. B. Ind. 1. c. Ulundu, S. 



Uluntu, T. Herm. Mus. 47. Fl. Zeyl. n. 281. P. radiatus, L. Sp.. 

 PI. 725 ; Moon Cat. 52; Thw. Enum. 89, 412. C. P. 3622. 



Dill. Hort. Elth. t. 235, f. 304. Duthie, Crops N.W. Prov. t. 10. 



Larger, stems more trailing or slightly twining, usually 

 more hairy, peduncles longer, generally exceeding 1.; seeds 

 longer, ^ in., dark brown or black. 



Commonly cultivated, and occasionally found apparently wild in the 

 dry region. Fl. Nov.-Feb. ; pale yellow. 



Throughout the Tropics, but usually cultivated. 



The seeds are known as ' Green Gram ' and ' Black Gram ' respect- 

 ively ; there is also a variety with yellow seeds. 



P. Max is the older of Linnaeus's two names, but authors usually have 

 preferred P. Mungo for the collective species, and restrict P. Max to the 

 black-seeded form. Very variable in habit and amount of hair. Her- 

 mann's specimens of P. Max have very woolly leaves. 



7. P. trinervius, Heyne in Wall. Cat. n. 5603 (1828). 

 Thw. Enum. 90. C. P. 1476. 



Fl. B. Ind. ii. 203. 



A perennial twining herb, stems clothed with deflexed! 

 fulvous hair, internodes very long, 1. rather large, rachis 2-3! in., 

 hairy like the stem, stip. peltately attached, oblong-lanceolate,, 

 acute, hairy, lflts. 2-3I in., term, one rhomboid-oval often some- 



* Max is the Spanish name in Mexico, as given by Hernandez. 



