THE ANDR(ECIUM. 143 



Fig. 44. Fig. 45. 



the other leaves of the plant, are found in a state of cohesion 

 in many flowers. When they cohere by their filaments to a 

 greater or less extent, forming a tube around the pistil, as in 

 the oxalis and mallow, (Malva,) Fig. 46, they are called mona- 



Fig. 46. 



Fig. 46. Vertical section of the flower of Mallow (Malva.) The stamens are 

 monadelphous, being united by their filaments into a cluster round the pistil. 



