MIDDLESEX FLORA. 107 



*T. nivale, Ridd. DWARF WHITE TRILLIUM. 



Concord, introduced from Illinois by Minot Pratt. Apr.-May. 

 T. erythrocarpum, Michx. PAINTED TRILLIUM. 



Ashby, common (L. L. Dame) ; Groton (C. W. Jenks) ; Concord 



(Minot Pratt) ; Tewksbury (B. D. Greene) ; Framingham (Rev. 



J. H. Temple). Rare, except in the northern towns. May-June. 



MEDEOLA, Gronov. 



M. Virginica, L. INDIAN CUCUMBER-ROOT. 

 Common. June. 



VERATRUM, Tourn. 



V. viride, Ait. AMERICAN WHITE HELLEBORE. INDIAN POKE. 



Common. June-July. 



UVULARIA, L. 

 * U. grandi/lora. Smith. 



Concord, introduced frosii Vermont by Minot Pratt. May-June. 

 U. perfoliata, L. BELLWORT. 



Rather common. May. 



OAKESIA, Wats. 



O. sessilifolia, Wats. (Uvularia sessilifolia, L, Man.) BELL- 

 WORT. WILD OATS. 

 Common. May. 



STREPTOPUS, Michx. 



S. amplexifolius, DC. 



Ashby (Dr. C. W. Swan) ; Concord, introduced from Wachusett by 

 Minot Pratt. June. 



CLINTONIA, Raf. 

 C. boreal is, Raf. 

 Common, especially in the northern part of the county. May-June. 



CONVALLARIA, L. 



C. majalis, L. LILT OF THE VALLEY. 



Concord, introduced by Minot Pratt ; Wakefield, apparently estab- 

 lished (F. S. Collins). May-June. Adv. from Eu. and from the 

 South. 



SMILACINA, Desf. 



S. racemosa, Desf. FALSE SPIKENARD. 



Common. June. 

 S. stellata, Desf. 



Waverly (Wm. Boott) ; near Fresh Pond, Cambridge (C. E. 



Faxon) ; Concord, introduced from Breed's Island by Minot Pratt. 



May-June. 



