PEA AND BEAN TRIBE. 



153 



** Legumes 1 or 2 seeded ; standard falling off, or 

 remaining unaltered ; calyx not inflated. 



2. T. pratense (Purple Clover). Flowers in dense, 

 roundish oblong heads ; calyx hairy, its bristle-like 



TRIFOLIUM STRICTUM, SUBTERRANEUM, REPENS, and ARVENSE. 



divisions half as long as the corolla; stipules broad, 

 terminating abruptly in a bristle-point ; leaflets broad, 

 notched, or entire. The common Clover of meadows, 

 where it forms a valuable part of the hay crop. The 

 long tubes of the corolla abound in honey, on which 



