The Flora of County Arma^rJi. 93 



ford and Dublin, grows in the present station .along with Spo-u- 

 laria rubra, Caruin cariii, Papavcr r/itras, and Fi-sluca rii^iJa. Its known 

 occurrence in the Dublin district, and its association with /'. rhaas 

 and F. n'gida, which are extremely rare in the north-east, but 

 abundant in Co. Dublin, made me suspect that Diplotaxis might have 

 been imported with the gravel from some station to the southward, 

 and, an examination of the composition of the gravel having 

 strengthened these suspicions, I applied to a friend of the engi- 

 neering staff of the railway, who informed me that the material 

 used on this portion of the line was brought partly from Goragh- 

 wood, partly from a pit south of Dundalk, jind partly from Skerries, 

 which is situated by the sea at the northern end of Co. Dublin. 

 A visit to the last -mentioned place, which appeared the most 

 likel}^, was kindly undertaken at my request by Dr. E. J. 

 M'Weeney, President Dublin Nat. Field Club, and Mr. David 

 M'Ardle, of Glasnevin Botanic Gardens, with the result that Diplo- 

 taxis was duly discovered growing in the gravel-pit there, along 

 mth F. rigida and P. rhceas, thus extending the known range of the 

 plant some ten miles to the northward ; and there can be little 

 doubt that the plant has spread to Co. Armagh from its Co. 

 Dublin stations. But, at least, it may rank as a colonist, since the 

 railway at Wellington cutting has not been re-ballasted for many 

 years. 

 [Draba incana, Linn. N. 



A single plant on the gravelled edge of an avenue in Lough gall 



Manor demesne, W. F. J. spec! It is difficult to understand how 



this rare plant can have come here, but it must have been by some 



chance. Its nearest station is Magilligan, Co. Derry]. 



D. vcrna, Linn. N. 



One station only. Sheep-walk near Armagh (Admiral Jones), 

 Flor. Ulst. ; and recently, W. F. J. spec. ! 



Cochlcaria officinalis, Linn. S- 



Estuary of Newry river, common. 



C. danica, Linn. S- 



With the last. 



Thiaspl arvensc, Linn. 1^1 ~,~ 



Cultivated ground at Loughgall, More N. H. R. Roadside be- 

 tween Portadown and Tartaraghan church, R. LI. P. 



*Lepiclium dratoa, Linn. j ~7 ~" ^" 



In some abundance on waste ground below Newry docks, no 

 doubt accidentally imported. R. LI. P. 



L. campestre, R. Br. , j i- ?i' 



Among crops at Tartaraghan, and in a cultivated held near 

 Loughgall (var. longistylnm\ More N. H. K. ]Mr. More writes me 

 that he does not consider the latter form of any importance as a 

 variety. Co. Armagh (G. R.), Flor. Ulst. Roadside near Lurgan 

 (S. A. S.), Herb. N. H. P. S., spec. ! Tannaghmore near Lurgan, 

 R. LI. P. 



AT *^. 



L. smithil. Hook. . ^, ^' V ^ 



The distribution of this species is the reverse of the preceding- 

 It is absent on the trap, limestone, etc., of the Northern distnct, but 

 of frequent occurrence throughout the Silurian and granite areas. 



(Sutoularia aquatica, Linn. i^r/ L.v, 



Said to have been found in Lough Neagh by Sherard, Flor. Hib 

 In Lough Neagh, Co. Armagh (D. M.), Cyb. Hib. In the canal at 

 Newry (Thomp?oA), Flor. UlTt. Not found in Lough Neagh since 

 the lake was lowered by drainage in 1855, but it is ""P^bable that 

 a plant which appears to have been abundant there has been exter- 

 minated by this cause. The water m the canal at Newry is nowa- 



