c5 Marcli> 



FURTHER ADDITIONS TO THE FI.ORA OF COUNTY 

 DUBLIN, WITH NOTES ON SOME DOUBTFUL 



RECORDS. 



BY NATHANIEL!, COI^GAN, M.R.I.A. 



When publishing some recent botanical records for the County 

 Dublin in the pages of this Journal in July last, the belief was 

 expressed that in spite of the advanced stale of our knowledge 

 of the county flora some further additions might be expected 

 in the shape of aliens, or critical sub-species. The results of 

 last year's field work have fully justified this expectation. No 

 less than three native and four alien plants have been added 

 to the flora, a proof, if any were needed (and no experienced 

 field worker requires any), that there is no such thing as 

 finality in the botanical exploration of even the smallest 

 county. These additions to the flora are printed in small 

 capitals in the following list, the aliens being distinguished by 

 an asterisk, and at the same time a few records for the rarer 

 county species have been thrown in, the whole being arranged 

 in the usual botanical sequence. Except where otherwise 

 stated, the writer is the authority for the records. 



Nasturtium palustre, DC In damp muddy ground by the Broad- 

 meadow Water, above Fieldstown, 1903. 



Trlfollum filiforme, L. — In moist peaty ground at the northern 

 end of the Bog of the Ring, 1903, a wilder station than those in 

 which this species is usually found in Ireland, where it often seems 

 open to the suspicion of having been introduced with grass seed. 



Agrimonia odorata, Miller. — Sparingly with A. Eupatoria amongst 

 bushes on a grassy roadside at Castle Bagot, Milltown, midway 

 between Clondalkin and Newcastle, 1903 ; apparently very rare in 

 the county. 



*Sedum rupestre, Hudson. — Fully established and looking quite wild 

 on old rock cuttings in the abandoned limestone quarry at Cloghran, 

 near Cloghran church, Swords, 1903. 



Galium uliginosum, L.— In fair quantity amongst Sphagnum in a 

 marsh on the flank of Kilmashogue Mountain above Stackstown, at 

 a height of 800 feet, 1903. In Wade's Dublin, 1794, this species is 

 recorded as found growing in wet pastures and by hedges around 

 Templeogue and Tereuure. Wade's authority is, however, insuffi- 

 cient for a critical species such as this is. His records have never 

 been confirmed, and there can be little doubt that his Terenure and 



