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Mi Moss, Some Plants new to the British Isles. 
_ Some Plants new to the British Isles. By C. E. Moss, B.A., 
Emmanuel College. 
Read 28 April 1913. 
p 
_ Tue following plants were briefly described and their geo- 
graphical distribution indicated: 
Alnus glutinosa. . 
(a) var. macrocarpa. Chippenham Fen, Cambridgeshire. 
(b) var. typica (comb, nov.; ined.). The common form of 
the alder in southern England. 
(c) var. microcarpa. The common form of the alder in 
northern England and in Scotland. 
| Ranunculus ficariveformis. Jersey, first found by Mr 8. Guiton, 
_and specimens sent to me by Mr E. W. Hunnybun. 
| Chetranthus cheirr. 
(a) var. hortensis (var. nov.; ined.). The cultivated form 
of the wallflower, and the one commonly occurring as a garden 
: escape on old walls and sea-cliffs. 
| (b) var. fruticulosus. Perhaps the wild form of the wall- 
flower. Rare, on old walls, e.g., Jersey. 
(c) var. angustior (var. nov.; ined.). Closely allied to var. 
_fruticulosus. Walls, Pevensey Castle, Sussex. 
_  Arenaria trinervis. 
} 
(a) var. typica (var. nov.; ined.). The common form in 
Cambridgeshire. 
| (b) var. pentandra. Devonshire, Surrey. 
Primula veris var. swaveolens. Suffolk and Cambridgeshire. 
P. scotica var. orkniensis (var. nov.; ined.). First found by 
Mr Grant, of Orkney, and the characters of the fruit first elucidated 
by Mr E. W. Hunnybun. 
| Brunella laconata x vulgaris. Hertfordshire, Cambridgeshire, 
Somerset. 
— Gymnadenia wahlenbergi. Cambridgeshire. 
G. densiflora. In Herb. Babington, from Cambridgeshire. 
17—2 
