MIDDLESEX FLORA. 109 



Yucca, L. 



* Y. filamentosa^ L. Adam's Needle. 

 Reading, "persistent for several years on waste heaps, and spread- 

 ing slowly by roots " (W. H. Manning). Adv. from the South. 

 July. 



Hemerocallis, L. 



H. FULVA, L. Day Lily. 



Locally established. July. Nat. from Eu. 

 H. FLAVA, L. Yellow Day Lily. 



Locally established. July. Nat. from Eu. 



JUNCACEy^. RUSH FAMILY. 



LuzuLA, DC. Wood-Rush. 



L. campestris, DC. 

 Common. 



JuNCus, L. Rush. Bog-Rush. 



J. effusus, L. Common Rush. Soft Rush. 



Common. 

 *J. effusus, L., var. conglomeratus, Gray. 



Concord (H. S. Richardson). 

 J. filiformis, L. 



Concord, (E. S. Hoar; specimen in herb. of). 

 J. Balticus, Dethard. 



Medford (Wm. Boott). 

 J. marginatus, Rostk. 



Common. 

 J. bufonius, L. 



Dracut (Dr. C. W. Swan) ; Medford (G. E. Davenport) ; SomervlUe 



(C. E. Perkins) ; Concord (E. S. Hoar). 

 J. Gerardi, Loisel. Black Grass. 



Very common on salt marshes. 

 J. tenuis, AVilld. 



Common. 

 J. tenuis, Willd., var. secundus. Gray. 



Winchester (Rev. G. P. Huntington). 

 J. Green!!, Oakes & Tuck. 



Pepperell, Dracut and Lowell (Dr. C. W. Swan) ; Medford (Wm. 



Boott). 

 J. pelocarpus, E. Meyer. 



Generally distributed. 



