■96 LEGUMIlSrOS^. ILathyrus. 



R.W. 8.— yill. Near Leenane, Galway, 1894; Rev. W. Colgm.— 

 XII. EoBtrevor, Down: S.fP. iSgs. Puidystarn and Knock 

 {Stewart) and other stations in Down : Flor. N.-E. 



OEDEE XXI.— ROSACEA. 



PETJNTJS Linn. 

 1. P. spinosa Linn. — BlacUhorn. 

 Silern^ceX)^a^'^ean {Bhree-wnn). 



Districts I. II. III. IV. V. VI. VII. VIII. IX. X. XI. XII. 

 Lat. 51^°-54^°. ThroTighoTit Ireland. Type, Eritisli. 



Thickets, hedges, and rocky places ; common. Fl. April-May. 

 Sea-level in N. Antrim and S. Cork. To 800 ft. in Donegal 

 {Ewrt) ; to 1200 ft. in SHgo {B.SfV.). 



* P. insititia Linn. — Bullace. 



Districts I. II. III. — V. VI. VII. VIII, — X. XL XII. 



Lat. 51|-°-55°. From South to North. Type, English. 



Lowland. "Woods and hedges ; rare. Fl. April-May. 



I. Derrynane Wood, Kerry ; R. W. 8. — II. Near Clonmel {Miss 

 S. Grubb) : Cyb. — III. Ballinalina, Kilkenny {Rev. 8. Madden) : 

 Cyb. — V. Santry "Wood: Ir. Flor. — ^VI. In rocky clefts in the 

 great Island of Aran, Galway Bay (Z. Ogilby) : Cyb.. — ^VII. Eoad- 

 iside hedges near Knock Drin, "Westmeath : Linton i8g6. — 

 VIII. Bilberry Island, Lough Corrib : Wade Ra/r. — X. Artigarvan, 

 Tyrone {^Br. 8igerson) : Ree. Add. — XI. Ned's Point, Buncrana, 

 and Ballymacgowaii, Fanet : Sart i88i fi. — XII. Eostrevor "Wood, 

 Down : Ir. Flor. Frequent in many parts of Antrim and Derry 

 [Moore) : Cyb. Knock Glen and hedges at Drumbo, BaUymaleidy 

 and between Bally waiter and Grey Abbey {Stewart) : Flor. N.-F. 

 May be considered naturalized in this district : 8.Sf P. i8gj. 



Probably planted in the majority of the preceding stations; 

 but further information is much needed as to the standing of this 

 plant in Ireland. 



2. fP- avium Linn. — Wild Cherry. 

 Districts I. II. III. IV. V. — VII. — IX. X. XI. XII. 



Lat. 52°-56°. From South to North. Type, English. 



Lowland. VToods and hedges.; not common and usually in 

 suspicious situations. Fl. April-May. 



