138 BRISTOL FIELD-BOTANY IN 1901. 
duced since the publication of the Flora. It is well estabhshed, 
in great quantity, on a railway embankment near MontpelHer 
Station, and there are several patches in the damp wood 
between Stoke Bishop and Sea Mills. as'perrimum, at 
Brass Knocker Hill and St. Catherine's, by Bath, is a settler 
of greater age, a specimen in the Jenyns Herbarium being 
labelled : " June 10, 1853." Other instances of undoubted 
ahens assuming the habit of native plants when circumstances 
are favourable are furnished by Omfhalodes lerna Moench, 
of which there is a large quantity in a steep stony wood by the 
Avon, near Hanham, where it has been known many years ; 
and by Puhnonaria officinaUs L., which has escaped into 
Berwick Wood from an adjacent garden. 
SCROPHULARIACEiE. 
Euphrasia. By the aid of Mr. F. Townsend's Monograph, 
and with some kind help from the author himself, the follow- 
ing plants of this genus have been identified in our district : 
E. hrevifila Burn. & Grml., E. borealis Towns., E. curta Fr. 
var. glabrescens Wettst., E. Kerneri Wettst., E. Kerneri x 
Rostkoviana, E. Levieri Wettst., E. nemorosa H. Mart., E. 
Rostkoviana Hayne., E. stricta Host. These forms are, of 
course, all included in the old aggregate E. officinalis L. 
LABIATE. 
Mentha. Recent field-work has shown that the Mints are 
at least as well represented in the vicinity of Bristol, as in other 
parts of Britain. I have seen M. syhestris by the Avon near 
Hanham, and very abundantly in the Chew valley at intervals 
along the river's course between Stanton Drew and Chewton 
Keynsham. M. Piperita grows by the Chew at Compton 
Dando, and has been observed also at Clevedon, Worle Hill, 
and Woollard. The Clevedon plant was lulgaris Sole, a 
rare and interesting variety, and its loss owing to alterations 
