The Plot a of County Armagh. 215 



Chara polyacantha, Braun. N. 



Plentiful in Loiighgall lake near the boat-house and elsewhere, 

 and in quarry-holes at the eastern extremity of Loughgall manor 

 demesne, R. LI. P. This handsome plant has not been previously 

 found in Ulster. 



C. hispida, Linn. N. 



Drains at Loughadian near Armagh, quarry-holes at Navan 

 Fort (f. nidis), north of Loughgall (f nuiis), at Grange near Armagh, 

 and at east end of Loughgall manor grounds (f. rudis) ; plentiful 

 also in Loughgall lake (f rudis). 



C. vulgraris, Linn. N. — vS. 



Lough Neagh at Bird island, H. \V. L. spec. ! Pool at Mullinure 

 near Armagh, quarries at Navan Fort (f. with prominent secondary 

 cortical cells), quarry-hole at Drummanbeg near Armagh, shallow 

 water by railway near Richhill, quarry-holes south of Armagh, lake 

 at Tynan Abbey, quarry-holes north of Loughgall, and by the rail- 

 way at Wellington cutting south of Newry, R. LI, P. The com- 

 monest Chara in the county; it appears to be more amphibious than 

 most of the species, frequently growing in water only a few inches 

 deep, where it is never completely submerged. 



C. contraria, Kuetz. N. 



In Lough Neagh at Croaghan island, H. W. L. spec. ! 



Nitella translucens, Ag. S. 



Abundantly in Cashel lake near Crossmaglen (447 feet elevation), 

 R. LI. P. Isoetes laciistris grows in the same lake. 



N. ficxilis, Ag. S. 



Abundant in the Camlough river between the lake and the vil- 

 lage, R. LL P. Not hitherto recorded from Ulster. 

 N. opaca, Ag. N. M. — 



In Lough Neagh at Bird island! and Ardmore Glebe! H. W. L. 

 Plentiful along the Lough Neagh shore; quarry-holes north of 

 Loughgall, in a well near Markethill, and in Clay lake near Keady 

 ("probably"), R. LI. P. 



ADDENDA ET CORRIGENDA. 



Page 15. Mr. H. C. Hart writes (/. N. 1893, p. 84), that he considers the 

 estimate of the flora of Donegal here given (about 720 

 species) to be too low\ 



,, 37. Line 20. For 104 read 106, and in the list which follows add 

 Elatine hexandra after Diplotaxis imtralis on p. 37, and C. bi- 

 ennis after Crepis nicccensis on p. 38. 



,, 38. Line 31. After the words " Rev. G. Robinson," add " one by 

 Mr. A. G. More." 



,, 94. After Elatine hydropiper add 



E. hexandra, DC. — M. — 



Eastern margin of Mullaghmore lake, R. LI. P., June, 1893. 

 ,, 159. Line 31. For " Lagan Canal " read " Newry CanaL" 



yVi?/^_Montiaghs or Moyntaghs, pronounced "Munches" (Celtic Moin- 

 teack, a boggy place), is the name of a parish bordering on Lough Neagh 

 in the extreme N.E. of the county, but the name appears to be locally 

 applied to the whole of the northern bog district. 



