430 Proceedings of the Royal Irish Academy. 



Barbarea vulgaris (R. Br.) — Drumshambo, and borders of the lough ; 

 frequent. 



Cardamine flexuosa (With.); C. sylvatica (Link.) — Not common; but 

 occurs in the Leitrim, Hoscommon, and Cavan portions of the 

 district; ascends to 1600 feet on Slieveanierin. 



C. hirsuta (Linn.) — 'Arigna old iron works, and limestone at Drum- 

 shambo. 



0. pratensis (Linn.) — Wet pastures ; common. 



Sisymbrium officinale (Scop.) — Roadsides and waste ground ; abun- 

 dant at Drumshambo; rare elsewhere. 



Brassica campestris (Linn.) — Waste ground ; not common. 



Sinapis arvensis (Linn.) — Fields ; common. 



Armoracia amphibia (R. Br.) — At the south end of the lough only. 



YlOLACE^. 



Yiola palustris (Linn.) — Slievenakilla ; ascending to 1500 feet. 

 V. sylvatica (Pries.) ; (i. riviniana. — Common. 

 V. tricolor (Linn.) — ISTot common. 



PoLYGALACE^. 



Polygala vulgaris (Linn.) — Common on the hills; risiag to 1500 feet 

 on Slieveanierin 



Caktophyllace^ . 



Lychnis flos-cuculi (Linn.) — Extremely abundant in meadows and pas- 

 tures; on Slieveanierin it reaches 1600 feet. 

 Sagina procumbens (Lian.) — Abundant. 

 S. nodosa (Linn.) — By Lough Scur; rare. 

 Stellaria media (ViU.) — Common. 



S. holostea (Linn.) — Slievenakilla and Slieveanieriu ; frequent. 

 S. uliginosa (Murr.) — Very common. 



Cerastium giomeratum (Thuil) — Roadside, Dowra, Co. Cavan ; rare. 

 C. triviale (Link.) — Everywhere common. 

 Spergula arvensis (Linn.) — Pields and waste ground; frequent. 



Hypekicace^. 



Hypericum androssemum (Linn.) — Bank of stream, Dowra, Co. Cavan ; 



very rare. 

 H. tetraptcrum (Fries.) — Common in damp places. 

 H, pulchrum (Linn.) — Common. 



Gekaniace^. 



Geranium disscctum (Linn.)— Rare. 



G. lucidum (Linn.) — On the limestone about Drumshambo ; rare. 



G. robcrtianum (Linn.) — Common. 



