53): 
330. 
337: 
338. 
339. 
340. 
341. 
342. 
343: 
344. 
345: 
340. 
347: 
AND FERNS. pags 
PEUVIALES. 
Potamogeton perfoliatus. (Plentiful in the 
Lark, both above and below Mildenhall). 
Potamogeton lucens. (In the Lark with the 
preceding). 
Potamogeton heterophyllus. (In pools in the 
‘“‘Bombay” fen, between Mildenhall and 
Eriswell). 
Potamogeton natans. (In ponds). 
AROIDE. 
Lemna minor. (Very common). 
Lemna polyrrhiza. 
Lemna trisulca. (Both frequent in pools and 
fen ditches). 
Arum maculatum. (Not common in this un- 
wooded district ; grows in a hedge near the 
boat house, between Mildenhall and West 
Row. 
Sparganium natans. (S. minimum,—Bab. 
In fen pools and drains, between Milden- 
hall and Eriswell). 
Sparganium simplex. (In the fen ditches 
and drains abundantly). 
Sparganium ramosum. (Common). 
Typha latifolia. (Frequent in pools and wet 
ditches, and here and there by the side 
of the Lark). 
Typha angustifolia. (In fen ditches between 
Mildenhall and Eriswell). 
