104 ONAGEACE^. [Circwa. 



of Ulster Railway at Belfast (Mr. "W. H. Ferguson); 

 Fhr. Ulst. The other two localities of " Banks of Lagan, 

 near Cranmore," and " G-len in the Holywood HiUs," require 

 confirmation, since they may prove the plant to be an 

 undoubted native. At present the kind of station seems 

 rather suspicious. 



6. E. (tetragonum) otascTinim (Schreb.) — Square-stalked 

 Willow-herb. 

 Districts 123456789 10 11 12 

 Lat. 51°-56°- Throughout Ireland. 

 Type in Great Britain, British. 



Damp and marshy places-; common. Fl. July, August, 

 Obs. — E. obscurum (Schreb.) is the only form, yet found in 

 Ireland. The typical E. tetragonum, (Linn.) which is by many 

 botanists considered a distinct species, has not come under 

 our notice. 



7. B. palustre (lArm.')-:— Marsh Willow-herb. 

 Districts 1 2 - 4 5 6 - 8 9 - 11 12 

 Lat. Sl'-Se^ Throughout Ireland. 

 Type in Great Britain, British. 



In boggy and marshy places ; common. Fl. July, Aug. 



Very frequent in suitable localities throughout the country, 

 and doubtless grows in the three districts not filled in above. 



[CEreotAera biennis (Linn.) occurs occasionally as an escape 

 from cultivation.] 



CIRCjEA Linn. 

 1. C. lutetiana (Linn.) — Enchanter's Nightshade. 

 Districts 123456789 10 11 12 

 Lat. 51°-56°. Throughout Ireland. 

 Type in Great Britain, British, inclining to English. 



Woods, thickets, and shady places ; frequent. U. June 

 to August. 



2. C. alpiua (Linn.) — Alpine Enchanter's Nightshade. 

 Districts -------89 10 11 12 



•Lat. 53°-56°. North-west and North of Ireland. 

 Type in Great Britain, Scottish, inclining to Highland. 



