The ferns and flowering plants of Nantucket — V 



Eugene P. Bicknell 



POLYGONACEAE 



RuMEx Britannica L. 



Common in wet swamps. In flower and fruit August and 

 September. 



RuMEX CRISPUS L. 



A common weed ; in flower and fruit through summer and 

 autumn. 



■ 



RUMEX OBTUSIFOLIUS L. 



Less common than the preceding, flowering and fruiting at 

 the same seasons. 



RUMEX CRISPUS X OBTUSIFOLIUS. 



This hybrid is reported in Mrs. Owen's catalogue, on the 

 authority of Mr. Dame, as being quite common at Siasconset. I 

 observed it at a number of places in low-lying grassy fields and 

 lots in and near the town, where it is certainly frequent, if not 

 common. It appears to be quite intermediate in its characters 

 between the two parent species, but is sometimes, at least, sterile 

 or nearly so, although flowering abundantly. Specimens collected 



F 



agree closely with an example in herb. N. Y. Botanical Garden 

 ex herb. Torrey, labeled as a hybrid by Doctor Engelmann and 

 collected by him at St. Louis, Mo., Aug., 1842. 



RuMEX PERSICARIOIDES L. 



Occurs sparingly on the shores of Sachacha Pond and more 

 commonly about brackish ponds along the south side of the 

 island ; Madequecham, Nobadeer, Miacomet, and Hummock 

 Ponds ; Long Pond (M. L. O,). In full flower August and Sep- 

 tember. 



RUMEX ACETOSELLA L. 



Abundant all over the island, often growing in pure dry sand. 

 In early June, when in full flower, it is one of the conspicuous 



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