WEST SWALE DISTRICT. 



157 



Myriophylluin verticillatum 

 CEnanthe Phellatidrium 

 Torilis infesta 

 Erigeron acris 

 Utricularia vulgaris 

 Samolus Valerandi ' 

 Polygonum minus 

 Riimex Hydrolapathum 

 Hydrocharis Morsus-rance 



Sagittaria sagittifolia 

 Butomus unibellatus 

 Lemna trisulca 

 Sparganium minimum 

 Juncus obtusiflorus 



Barbula latifolia 

 OrtJiotrichum Sprucei. 



Leckby Carr is a boggy moory piece of ground south of the 

 Swale near Topdiffe, which yields the following rarities : 



Drosera anglica 

 Rhamnus Frangula 

 Utricularia minor 

 Vaccini7i?7i Oxycocais 

 Lysimachia thyrsiflora 

 Scheuchzeria palustris 



Rhyncospora alba 

 Carex limosa 

 Aru?ido Calamagrostis 



Aidacomnion afidrogynum. 



Barbula marginata 



,, latifolia 

 Cinclidotus fontinaloides 

 Orthotrichum Sprucei 

 Bissidens crassipes 

 Amblystegium Jluviatile 

 irrijsruum. 



The following are the other rarer plants of the west side of 

 the Swale in the neighbourhood of Topclifife and Cundall : 



Rubus altheifolijis Osmunda regalis 



(E?tanthe Lachenalii 



Silybum Mariammi 



Gentiana Pneumonanthe 



Marrubium vulgare 



Pri7fiula fariiwsa 



Calaf/iintha Acinos 



Daphne Mezereum 



Gage a lute a 



Schanus nigricans 



With the exception of that of the Derwent this is the largest 

 of the nine drainage districts and includes about one-sixth of 

 the total area of North Yorkshire. It embraces a wide variety 

 of situation and only the Derwent district has a larger flora. 

 We do not obtain in Upper Swaledale the abundant and very 

 local Montane plants which give a special interest to the botany 

 of Upper Teesdale, but in respect of plants of the Montane 

 category it is about upon an equality with the Yore district and 

 considerably in advance of the lower hilly districts which lie 

 upon the east of the Central valley; and, except of course the 



Sept. i888. 



