Prunus.'] EOSACE^. 81 



3. L. maritimus (Big.) — Sea Pea. 

 Pimm maritimum (Linn.) Flor. Hib, 



District l_-_--_r.____ 

 Lat. 52°-53°. South-west of Ireland — ^Kerry only. 

 Type in 'Great Britain, 



Pebbly sea-shores ; very rare. Fl. July, August. 



1. On the sandhills in the Bay of Castlemain, Kerry. 

 " They grow annually on the south point of Inch Island, in 

 the Bay of Castlemain, in considerable quantities ;" Smith's 

 "Kerry" (1756). 



4. L. macrorrhizus (Wimm.) — Heath Pea. 

 Orolnfi tuberosum (Linn.) Flor. Hib. 



Districts 123456-89- 11 12 

 Lat. 51°-56°. From South to North of Ireland. 

 Type in Great Britain, British. 



Heathy and bushy places ; frequent. Fl. May to July. 



The variety tennifolim occurs occasionally. 

 ORNITHOPUS Linn. 

 1. O. perpusillus (Linn.) — Birdsfoot. 

 Districts _ — -4 5-- — ---- 

 Lat. 52°-54°. East coast of Ireland. 

 Type in Great Britain, British, inclining to English. 



Sandy and gravelly places near the sea ; very rare. Fl. 

 May to July. 



4. BaUiconigar, Wexford ; J. Morrison, /. C. — 5. On the 

 Sutton side of the HiU of Howth, abundantly ; Fhr. Hib. 



ORDER XXn.— ROSACEiE. 



PRUNUSVam. 



1. P. communis (Huds.) — BlacMhom, Bullace, Plum, 



P. spinosa (Linn.), Blackthorn, or Sloe. 



Districts 12 3456789 10 11 12 



Lat. 51°-56°. Throughout Ireland. 



Type in Great Britain^ British. 



Thickets, hedges, banks, and rocky places ; common. Fl. 

 April, May. 

 Ranges to 500 feet in Derry. 



