FERNS AND ALLIES. 125 



E Q U I S E T A C E JB . 



EQUISETUM, L. 



E. arvense, L. Common Horse-tail. 4. Common in cornfields 

 and gravel-pits. 



E. palustre, L. Marsh Horse-tail. 6, 7. Frequent in ditches : 

 ISTeeclham Alder Carr Meadows ; Weybread, etc. 



E. limosum, Sm. Smooth Horse-tail. 6, 7. Common in 

 ditches and streams. 



E. hyemale, L. Rough Horse-tail. 7, 8. Very rare : "I 

 believe I have seen it growing at the Earsham end of the 

 Bath Hills " (Mr. F. Spalding). Hedenham (WA). 



CHAEACE^B. 



CHARA, L. 



C. fragilis, Desv. Slender Chara. 6 8. Pond, Harleston 

 Common, F. 



C. aspera, Willd. Rough Chara. 8. Ditches near Wey- 

 bread Mill, Suffolk, F. 



C. vulgaris, L. (Chara foetida, ABr.). Common Chara. 

 6 8. Abundant in the marsh dykes : Shotford-; Mend- 

 ham Priory Meadows, etc., F. 



