CONTENTS Xlll 



sike Clover ; Regional Strains ; Importance ; Culture ; Hay ; 

 Seed Production ; Seed; Value for Pasturage. Hungarian 

 Clover ( Trifolium pannonicum) . White Clover ( Trifolium 

 ripens} : Botany ; Description ; Agricultural History ; Adap- 

 tations ; Importance of White Clover ; Seeding ; Yields ; 

 Pollination ; Seed-production ; Seed, Ladino White Clover. 

 Sweet Clover (Melilotus alba} : Botany and Description; 

 Adaptations ; Agricultural History ; Seeding ; Securing a 

 Stand ; Relative Proportions of Tops and Roots of Sweet 

 Clover ; Utilization ; Advantages and Disadvantages ; Yield ; 

 Seed-production ; Seed ; Related Species. 



CHAPTER XVIII. CRIMSON CLOVER AND OTHER ANNUALS . 426 



Crimson Clover ( Trifolium incarnatum) : Botany ; Agri- 

 cultural History ; Description ; Adaptations ; Importance ; 

 Variability and Agricultural Varieties ; Seeding ; Time of 

 Sowing ; Methods of Sowing ; Time to Cut for Hay ; Yields ; 

 Other Uses of Crimson Clover ; Seed-production ; Seed. 

 Shaftal or Persian Clover (Trifolium suaveolens'). Ber- 

 seem (Trifolium alexandrinum} . Yellow Trefoil (Medi- 

 cago lupulina). Bur Clovers (Medicago spp.). Dakota 

 Vetch (Hosackia americana or Lotus americanus). 



CHAPTER XIX. PEAS AND PEA-LIKE PLANTS .... 441 



Pea (Pisum sativum) : Botany and History ; Description ; 

 Adaptations ; Importance ; Agricultural Varieties ; Seeding ; 

 Development of the Plant ; Hay ; Peas and Oats ; Pasture 

 Value ; Garden Pea Vines ; Irrigation ; Seed-production ; 

 Seed. Pea Weevil (Laria pisorum or Bruchus pisorum}. 

 Chick-pea (Cicer arietinum}. Grass-pea, Vetchling or 

 Chickling Vetch (Lathy rus sativus). 



CHAPTER XX. VETCHES AND VETCH-LIKE PLANTS . . 456 



Kinds of Vetches. Common Vetch (Vicia saliva) : De- 

 scription ; Botany and Agricultural History ; Adaptations ; 

 Importance ; Agricultural Varieties ; Culture ; Time of Sow- 

 ing ; Rate of Seeding ; Harvesting for Hay ; Pasturing ; 

 Feeding Value ; Rotations ^ Fertilizers ; Lime ; Silage ; 

 Seed-production; Seed. Hairy Vetch (Vicia villosa) : 

 Description ; Botany ; Climatic Adaptations ; Soil Prefer- 

 ences ; Rate of Seeding ; Time of Seeding ; Depth of Seeding ; 



