104 JUNGAGINACE.E. 



ORDER XCVIII. BUTOMACE^. (FLOWERING KUSH TRIBE.) 

 BUTOMUS. (Flowering Rush.) 



i. B. umbellatus. L. (Common Flowering Rush.) 



Ditches and ponds. 



Canal near Greenford, also pond at Roxeth. The Brent. 

 (Lees.) 



ORDER XCIX. ALISMACE^E. (WATER PLANTAIN TRIBE.) 



ALISMA. ( Water Plantain.) 



I. A. Plantago. L. (Greater Water Plantain.) 



Margins of ponds or rivers. 6-8. 



Frequent. Canal, Harrow Pond, Grove Pond, etc. 

 At Ruislip Reservoir and Alperton is found the narrow- 

 leaved variety, A. lanceolatum, With. 



SAGITTARIA. (Arrow Head.) 



i. S. sagittifolia. L. (Common Arrow Head.) 



Ditches and margins of rivers. 7-9. 



Frequent in the Canal by Greenford. Alperton; 

 Wembley. (Cole.) Stonebridge ; Forty Farm. (Farrar.) 



ORDER C. JtJNGAGINACE^E. (ARROW GRASS TRIBE.) 



TRIGLOCHIN. (Arrow Grass.) 



I. T. palustre. L. (Marsh Arrow Grass.) 

 Sides of rivers and ditches. 6-8. 

 Side of Canal at Greenford. Near the Brent. (Lees.) 



