3G0 



SUMMARY. 



The second list, 'psammophiks,' contains the following Middlesex species : — 



Teesdalia nudicaulis. 

 Erysimum cheiranthoides. 

 Ornithopus perpusillus. 

 Lepigonum rubrum. 

 Eadiola millegrana. 

 Montia fontana. 

 Galium saxatile. 

 Filago minima. 

 Senecio sylvaticus. 

 Jasione montana. 

 Junous squarrosus. 

 Echinochloa Crus-galli. 

 Aira caryophyllea. 

 Phragmites communis. 

 Festuea Myurus. 

 Aira prseeox. 

 Myosiu'us minimus. 

 Sisymbrium Sophia. 

 Lepidium ruderale. 

 Dianthus prolifer. 

 Ulex europseus. 

 Sarothamnus scoparius. 



Ononis spinosa. 

 Melilotus %Tilgaris. 

 Herniaria glabra. 

 H. hirsuta. 

 Saxifraga granulata. 

 Scandix Pecten. 

 Centaurea Caleitrapa. 

 Arnoseris pusilla. 

 Thrincia hirta. 

 Xanthium Strumarium. 

 Myosotis versicolor. 

 Verbascum Blattaria. 

 Digitalis purpurea. 

 Antirrhinum Orontium. 

 Eumex acetosella. 

 Amaranthus retrofiexus. 

 Salix viminalis. 

 Populus nigra. 

 Betula alba. 

 Cyperus fuscus. 

 Scirpus setaceus. 

 Osmunda regalis. 



In the list of 'pelophiles ' we find the following in Middlesex : — 



Stellaria Holostea. 

 Trifolium fragiferum. 

 Lysimachia nemorum. 

 Alisma Plantago. 

 Lotus major. 

 Senecio aquaticus. 

 Alnus glutinosa. 

 Ranunculus Flammiila. 

 Alsine tenuifolia. 

 Hypericum hiimifusum. 

 ~K. pulchrum. 

 Lythrum Hyssopifolia. 



Lonicera Periclymenum. 

 Tussilago Farfara. 

 Bidens cernua. 

 Pulicaria vulgaris. 

 Specularia hybrida. 

 Veronica scutellata. 

 Chlora perfoliata. 

 Centunculus minimus. 

 Salix aurita. 

 Luzula multiflora. 

 Eleoeharis acicularis. 

 Triodia decumbens. 



Of the lists of Thurmann's 'psainmophiles' and 'pelophiles ' respectively : 



showing that our county is a district especially rich in pelophilous species, 

 as indeed would be expected from its geological features. 



