Plate XIII. 



Fig. 2^. 24. A large-flowered plant with broad sessile 

 leaves and sessile sepals and petals. 



25. A large-flowered plant with short-petioled leaves and 

 sessile sepals and petals. 



18. A large-flowered plant with longer-petioled leaves, 

 stemmed petals and somewhat elongated stamens and pistil. 



