CUCURBITACE^l. 39 



ORDER XXIX. HALORAGACE^. (MARE'S TAIL TRIBE.) 



MYEIOPHYLLUM. (Water Milfoil.} 



1. M. verticillatum. L. (Whorled Water Milfoil.) 

 Ponds and ditches. 7, 8. 



Ditch near Greenford. (Farrar.) 



2. M. spicatum. L. (Spiked Water Milfoil) 

 Ditches and stagnant ponds. 6, 7. 



Canal, Greenford ; pond near Ruislip Common ; pond 

 in Bentley Priory grounds. (Flor. Midd.) 



ORDER XXX. LYTHRACE^E. (PURPLE LOOSESTRIFE TRIBE.) 



LYTHRUM. (Purple Loosestrife.} 



I. L. Salicaria. L. (Spiked Purple Loosestrife.) 



Watery and marshy places. 7-9. 



Canal, near Greenford and Alperton ; in abundance at 

 the river Brent. Ruislip ; Woodridings, Pinner. 





PEPLIS. (Water Purslane.) 



I. P. Portula. L. (Common water Purslane.) 



Watery places. 6-8. 



Harrow Weald and Ruislip Commons. Field End, 

 Eastcott; Stanmore Heath. (Flor. Midd.) 



ORDER XXXII. CUCURBITACE^E. (GOURD TRIBE.) 



BRYONIA. (Bryony.) 



I. B. dioica. ,Jacq. (Red-berried Bryony.) 



Thickets and hedges. 5-9. 



Not unfrequent in the hedges at Harrow, Roxeth, 

 Pinner, etc. 



