14 MIDDLESEX FLORA. 



pointed teeth ; the involucral bracts abruptly acuminate to an acute 



point, which reaches about one-third the length of the cal3rx.' 



Wagner, Deutsche Flora. 

 D. barbatus, L. Sweet William. 



Wilmington (F. S. Collins). Growing in a thicket, remote from 



dwellings. June to July. Adv. from Bu. For description, see 



Wood's Bot. & Fl. 



Saponaria, L. 

 s. oppicinalis, l. soapwoet. bouncing bet. 



Rather common. July-Sept. Kat. from Eu. 

 S. Vaccaria, Ij. (Vaccaria vulgaris, Host., Man.) CowHekb. 



Lowell, " dumps" (Dr. C. W. Swan). Adv. from Eu. 



Gtpsophila, L. 



" Annual or perennial branching plants with entire, narrow leaves and 

 numerous, white or reddish flowers, Calyx bell-shaped, 5-toothed 

 or-cleft, without iuvolucre at the base, with as many or three times 

 as many longitudinal nerves as teeth. Petals wedge-shaped, nar- 

 rowed in the claw, without scale. Capsule unilocular, opening with 

 4 teeth." Wagner, Deutsche Flora. 



<?. muralis, L. 

 Escaped from gardens, Bedford and Dracut (Dr. C. W. Swan). 

 " A delicate plant with sttefly erect stems 1-5 in. high, forking ; 

 flowers distant in an open panicle. Leaves linear, attenuate at both 

 ends. Petals rose red with dark veins.'' Wagner, Deutsche Flora. 



SiLENE, L. 



S. iNPLATA, Smith. Bladder Campion. 

 Common, at least in the eastern part of the county. June-July. 

 Nat. from Eu. 



S. Pennsylvanica, Michx. Wild Pink. 

 Not uncommon. May-June. 



S. Armeria, L. Sweet William Catchflt. 

 Beading (W. H. Manning) ; Medford (G. E. Davenport) ; Concord 

 (Minot Pratt) . Escaped from gardens. July. Adv. from Eu. 



S. antirrhina, L. Sleepy Catchflt. 

 Medford, Lowell, Billerica, et al. Not uncommon. May-July. 



S. quinquevulnera, L. 

 Beading, escaped (W. H. Manning). Adv. from Eu. For descrip- 

 tion, see Wood's Bot. & Fl. 



S. noctiploka, L. Night-flowering Catchflt. 

 Maiden, Reading, Lowell, Ashland, et al. Widely distributed, but 

 not very common. The Silene noctuma of Bigelow's Fl. Bost., and 

 of Dewey's Report was probably this plant. June-Aug. Nat. from 

 Eu. 



