202 
[Appendix B.N.F.C. 
ARACESi 
Acorus calamus L. Quite naturalized throughout the course of the Lagan 
Canal. 
Arum maculatum L. To 1000 feet in the Moumes, S. & P. 
FOTAMOaETONACES. 
Potamogeton polygonifolius Pourr. 1550 feet in the Moumes, Hart 
R.I.A. 
p. rufesoens Schrad. 
Down -Lake (Ballykine Lough), Ballynahinch, R.LLP. 
B.E.G. 1891-2. Burren River near Newcastle, b. «k r. 
Watson 
P. nitens Weber. 
Down — Annshoro Lake, S.A.S., I.N. 1894. 
Antrim — Six-mile water near Antrim, S.A.S., I.JS. 1894. 
P. lucens L. 
Derry — Magilligan, Mrs. Leehody. 
var. c. longifolius Gay. 
Antrim— Washed ashore at Crumlin Waterfoot, S.A.S. 
P. undulatus Wolfg. (= P. perfoliatus x crispus). 
Antrim— In the Six-mile River above Templepatrick, S.A.S., 1882-94 
An infertile hybrid which grows in abundance at junction with 
Doagh River and other places, vide Bennett, Journ. Bot. 1894, and 
S.A.S. , I.N. 1894. 
P. Zlzii Roth. 
D 0W n — Lagan Canal near Blaris, S.A.S. 
Antrim— Lough Neagh at Cranfield, S.A.S. 
Derry— Bann at Kilrea, Mrs. Leebody. 
p. obtusifolius M. & K. 
Down — Loughinislandj R.L1.P . 
Derry— Killelagh Lake above Maghera, R.L1.P. 
P. pectinatus L. 
Down — Clandeboye Lakes, R.L1.P. 
Antrim — Quarry pools at Magheragall near Lisburn, R.L1.P, 
Derry — Eglinton, Mrs. Leebody. 
