THE GENUS EQUISETUM 



found from June to September. E. ramosissimum, which I have only seen wild in north 

 Italy, seems to be somewhat exceptional in that there appears to be a succession of cones 



Fig. 212. Equisetum maximum Lam. in late September, showing two cone buds and the base of a sterile 

 aerial shoot all borne on the same node at the base of a sterile shoot of the previous year, from 

 a living specimen. Natural size. 



during a long season, not on new shoots springing up from the rhizome but on the tips 

 of branches of different order on the aerial stems. Thus my own material was fixed in 

 the Apennines in July in manifestly late cones borne on the tips of lateral branches, the 



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