74 MIDDLESEX FLORA. 



L. ALBUM, L. WHITE DEAD-NETTLE. 



Somerville and Cambridge (C. E. Perkins) ; et al. Rare. Nat. 



from Eu. 

 L. maculatum, L. 



Medford, escaped from cultivation. Apr.-Sept. Int. from Eu. 



For description, see Wood's Bot. & Fl. 



BALLOTA, L. 



B. nigra, L. BLACK HOREHOUND. 

 Cambridge, 1885 (Walter Deane; specimen in herb. of). July. 



BORRAGINACE^E. BORAGE FAMILY. 



BORRAGO, Tourn. 



B. officinalis, L. BORAGE. 



Lowell, 1848 (J. A. Lowell), specimen in herb. B. S. N. H. July- 

 Sept. Adv. from Eu. For description, see Wood's Bot. & Fl. 



ECHIUM, Tourn. 



E. VULGARE, L. VIPER'S BUGLOSS. 



Medford (Wm. Boott) ; Somerville (C. E. Perkins) ; Cambridge 

 (Walter Deane) ; Ashland (Rev. Thos. Morong). June. Nat. from 

 Eu. 



LYCOPSIS, L. 



L. arvensis, L. SMALL BUGLOSS. 



Lowell, wayside (Dr. F. Nickerson). Adv. from Eu. 



SYMPHYTUM, Tourn. 



S. OFFICINALE, L. COMFREY. 



Stoneham, escaped (L. L. Dame) ; Newton (C. E. Perkins) ; Con- 

 cord (Minot Pratt) ; Groton (C. W. Jenks). June-July. Nat. from 

 Eu. 

 S. ASPERRIMUM, Sims. 



Ashland, escaped and sparingly established (Rev. Thos. Morong ; 

 specimen in herb. of). Nat. from Eu. 



u Stems branching, rough with stiff, somewhat recurved aculeate 

 prickles ; leaves ovate-lanceolate, very pointed at both ends, rough, 

 the lower petioled, the upper subsessile ; calyx divided above the 

 middle into rough, subulate lobes; corolla campanulate, four times 

 the length of the calyx; lanceolate appendages of the length of the 

 stamens, ciliate-papillose ; style included; flowers, bluish purple." 

 DC. Prodr. 



