HOW TO GllOVV GOOD CLOVER. 113 



CHAPTER XVIII. 



ON THE FARM SPECIES OF CLOVERS. 



All the true clovers belong to the genus Trifolium^ 

 of which the following may be tabulated as agricul- 

 tural species : — 



(Flowers red or purple.) 



1. Trifolium pratense — Broad-leaved clover. 



2. Trifolium medium — Zigzag, or true " cow-grass" clover. 



3. Trifolium incarnatum — Carnation clover. 



(Flowers pink.) 



4. Trifolium hybridum — Alsike clover. 



5. Trifolium fragiferum — Strawberry-headed cluver. 



(Floioers white.) 

 G. Trifolium repens — Dutch clover. 



(Flowers yellow.) 



7. Trifolium filifor me — Suckling clover. 



8. Trifolium procumbens — Hop clover. 



1. Trifolium pratense — Meadow or broad-leaved 

 Clover, — in its wild state, is too well known to need any 

 lengthened description in order to its being under- 

 stood. A careful examination of field specimens, 

 however, will show that, even in the wild state, this 

 plant is liable to run into numberless variations ; thus, 

 we may have the leaflets of one plant more or less ovate, 

 whilst those of another may be broad and almost 

 obcordatc. In some we may see dense heads of 

 purple flowers, varying in shade until almost white, 



