108 SOT BEANS IN BENGAL, BlHAR AND ORISSA. 



in the case of the black types (I, II). In the case of the second 

 pair of characters, the Barmeli and Nepali varieties and the 

 American varieties Barchet, Hollybrook, Mammoth and Riceland 

 combine short internodes (usually less than 1 inch) with the 

 upright habit, although most of the American varieties are not 

 pure for these characters. The Bengal types I — IV combine 

 greater length of their upper internodes with the reclining habit. 

 In the case of some of the American varieties (and rogues found 

 in most of them) and also in the greeny yellow seeded variety 

 (type III A) from Kalimpong, the upright habit is combined 

 with long twining branches. In the rogues commonly found in 

 the Barmeli variety the reclining habit is combined with short 

 internodes. That there are other characters which determine 

 the number and length of the branches relative to the main stem 

 can be assumed from a study of plate IV of Piper and Morse's 

 bulletin (9). A continuation of the study of the branching of the 

 different types will undoubtedly bring to light additional charac- 

 ters. The importance of those mentioned above depends on the 

 fact that the short stemmed plants mature earlier. The up- 

 right habit enables the plots of this type to be weeded more 

 convenient^. The long much branched twining forms pro< 

 a larger number of pods per plant, and ma}^ be especially suitable 

 for growing with maize, when they will yield well and 

 not interfere with the weeding of the crop. These long branched 

 forms are also more suitable for fodder purposes. 



3b. — Foliage. 

 The chief differences found in the foliage are in the shape, 

 size, colour, surface and degree of persistence of the trifoliate 

 leaves. The shape of the apical leaflets may usually be described 

 as ovate lanceolate. In the Bengal types (I— VI) the shape is 

 approximately the same in all cases, though the later leaves of 

 types III, IV are often narrower than the earlier leaves. In 

 the case of the impure yellow (type 111 A) and chocolate seeded 

 (type IV A) varieties from Kalimpong some narrow leaved 

 plants have been selected. In the American varieties narrow 



