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. 



JUNCACE/E. RUSH FAMILY. 



LUZULA, DC. WOOD-RUSH. 



L. campestris, DC. 

 Common. 



JUNCUS, L. RUSH. BOG-RUSH. 



J. eff usus, L. COMMON RUSH. SOFT RUSH. 



Common. 

 *J. eff usus, 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) ; Somerville 



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

 J. Gerardi, Loisel. BLACK GRASS. 



Very common on salt marshes. 

 J. tenuis, Willd. 



Common. 

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



Winchester (Rev. G. P. Huntington) . 

 J. Greenii, Oakes & Tuck. 



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



Boott). 

 J. pelocarpus, E. Meyer. 



Generally distributed. 



