i 



Bicknell: Ferns and flowering plants of Nantucket 201 



HORDEUM VULGARE L, 



Occasionally persistent in old fields. 



* Elymus halophilus sp. nov. 



- 



More or less glaucous, purplish-tinged, slender, erect, sometimes 

 slightly ascending at base, after forming loose tufts, 4-7 dm. high ; 

 leaves narrow, firm, erect, those of the culm mostly 5-7, the 

 lowest very narrow, smooth and glabrous, or slightly hairy on 

 the upper surface near the base, narrowly attenuate, involute on 

 the margins or throughout when dry, 2-5 mm. wide, mostly 10- 

 15 cm. long; ligule very short; basal leaves erect, when involute 

 appearing almost setaceous, becoming over 1 5 cm. long ; spike 

 erect, slender-peduncled, 4-9 cm. long, often under 1 cm. thick, the 

 peduncles usually exserted 5-15 cm.; empty glumes 7-10 mm. 

 or less in length, 1— 1.5 mm. wide, tapering into slender rough 

 awns of about equal length, minutely scabrous on the prominent 

 ribs; flowering scales 6-7 mm. long, 1— 1.25 mm. wide, minutely 

 scabrellous all over, conspicuously nerved only towards the apex, 

 tapering into slender rough awns often 1.5 cm. long. 



In abundance in a salt marsh on Eel Point ; also on Little 

 Neck and sparingly near Acquidness Point. 



Salt marshes and shores along the coast from Maine to New 

 Jersey and doubtless further south. Common on Long Island. 

 Type from Acquidness Point, Nantucket, Sept. II, 1907, in herb. 

 N. Y. Bot. Garden. 



Ely 



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om. in much smaller size, fewer, shorter, narrower and firmer 

 leaves, their sheaths not inflated, smaller, more loosely flowered 

 spike, usually glaucous and strongly purplish-tinged, shorter and 

 more tapering flowering glumes bearing much longer, stiffer awns, 

 scabrellous and long-awned flower-scales. 



