6 BiCKNELL : Ferns and. flowering plants of Nantucket 



form IS lower and stiffer with more or less densely congested cymes 

 mostly only 1-3 cm. high. 



Another form, if it be not a distinct species, as I have long 

 been inclined to regard it, is more slender than typical J. dichoto- 

 miis^ with fewer-flowered, less secund inflorescence, the flowers 

 rather smaller, with shorter, less rigid perianth parts, 2.5-3.5 o^"^- 

 long, and some of them distinctly pedicelled ; the capsule is some- 

 what more ovoid and smaller, 2-3 mm. high, and commonly of 

 a deeper reddish-brown color ; the leaves are equally filiform- 

 terete with those of the type but their auricles are usually less 

 cartilaginous. This plant was found at several places and I have 



■ 



also collected it at Van Cortlandt Park, New York, and on Long 

 Island. 



JuNcus marginatus Rostk. 



Infrequent but met with at several widely separated stations. 



*Juncus aristulatus Michx. 



Further study of this rush on Nantucket (see Rhodora 6 : 174. 

 1904) shows that it occupies a general area extending nearly three 

 miles in an east and west direction and about one and a half miles 

 wide, lying east and north of the middle of the island. Within 

 this section it was met with at a dozen or more localities, nowhere 

 in abundance but often in a condition of exceptional vigor and 

 fruitfulness. The largest examples were i m. tall with the larger 

 leaves 7 mm. wide. It is to be found from Shimmo Creek to 

 Pout Ponds, Wigwam Pond, several of the ponds in Polpis, and 

 in Quaise. In September, 1907, two plants were observed at 

 Maxcy's Pond within the western half of the island. In fresh 

 flower Aug. 7, 1906. 



JuNcus PELOCARPUs E. Meyer. 



Very common on sandy pond shores and in wet places. 



JuNCUS MILITARIS Bigel. 



Rather common, forming extensive growths in some of the 



ponds. 



I 



JUNCUS ARTICULATUS L. 



Common in wet places and about the shores of ponds and 

 pools. 



