MONOCOTYLEDONS. 293 



for pollination by bees, and in gardens they are chiefly visited by 

 hive-bees. The bee, landing on the outer perianth- leaves and grasping 

 the inner ones, rubs against the outwardly-curved tips of the anthers 

 and brings a shower of the dry dusty pollen on its head, having pre- 

 viously rubbed against the stigma. Self-pollination occurs frequently, 

 especially when the weather is very cold and no bees are about. 



311. The Daffodil Family (Amaryllidaceae) differs from 

 Liliaceae in having an inferior ovary, and from Iridaceae 

 in having six stamens. It includes many showy garden 

 plants. 



312. Early Purple Orchid (Orc\is mascula). This is 

 the commonest and best known of British wild Orchids. It 

 grows in various situations, most luxuriantly in low-lying or 



STAMEN 



SPUR 



OVARY 



Fig. 114. Flower (front view) and Floral Diagram of OrchiB. 



sheltered and moist meadows, where its flowering shoot may 

 reach a height of over a foot, while on exposed downs it is 

 only a few inches high. 



