l8o FLORA OF THE EAST RIDING OF YORKSHIRE. 



1425. Hydrocharis Morsus-ranse. Linn., 47. 



(Frog--bit). 



Native, Eng., i, 2, 6, 7. July> m- 



Not common. Beverley and Hull (B.) ; Inglemire Lane 

 (G.N.) ; Salt-ings Lane, Hull.* It still grows on the last 

 station (1898), but is doomed to extinction in the not far 

 distant future. Near Selby (W.N.C.) ; Howden (J.B.). 



1426. Stratiotes Aloides. Linn., 15. 



(Water-Soldier). 

 Native, Eng. July, H. 



Rare. Near Beverley and in the River Derwent (B.). 

 For many years it grew luxuriantly in a brickpond within 

 the borough of Hull, where it had been transplanted from a 

 Park tank ; but the pond is now filled up and nearly built 

 upon. 



ORCHIDE^. 



1430. Neottia Nidus-avis. Rich., 86. 



Native, Brit., 5. June, HL 



Wood near Kirkham Abbey on the Derwent (M.B.S.) ; the, 

 only record. 



1 43 1. Listera cordata. R.Br., 58. 



Native, Scot., 7. June. 



Very rare; "Wood 4 miles East of York" (B.) ; ir 

 a Fir-wood near Langwith, Silvanus Thompson ; and the 

 same place, Mr. H. R. Moiser, 1875 (W. W.), the only station.j 



1432. L. ovata. B.Br., 105. 

 (Tway blade). • 



Native, Brit., 1-7. June, H. 



Common in woods and grassy places in all the divisions : 

 preferring clayey situations with us. 



