366 THE BOTANICAL EXCHANGE CLUB OF THE BRITISH ISLES. 



A Much Desired CEnothera. By the same author. The Plant 

 World 145-153, 1913. Any member possessing old specimens (prior 

 to 1850) of the Liverpool CEnothera is asked to inform the Secretary. 



Wild Flowers as they Grow. Cassell & Co. 5/- nett. 1913. 



Trees as they Grow. Cassell & Co. 6/- nett. 1913. 



Census Catalogue of British Hepatics. W. Ingham, 52 

 Haxby Road, York. 36 pp. 1/-; 1/6 interleaved. 1913. 



The Early Naturalists : Their Lives and Work (1530? -1789). 

 L. C. Miall, D.Sc., F.R.S. 8vo., pp. 12, 396., 10/- nett. Mac- 

 millan. 



Mendel's Principles of Heredity. W. Bateson, M.A., 

 F.R.S. pp. ix., 414. Camb. Univ. Press. 1913. 



Researches on the Irritability in Plants. J. Chunder 

 Rose, M.A., D.Sc, C.S.I, pp. xxiv., 376. Longmans Green & Co. 

 1913. 



Wild Flower Preservation : A Collector's Guide. Mary 

 Coley. 29 illust., 8vo., pp. 191, 3/6 nett. T. Fisher Unwin. 



A Hand List of the Lichens of Great Britain, Ireland, 

 and the Channel Isles. Compiled by A. R. Horwood. pp. 45, 

 1/- nett. Dulau. 1913. 



Flora of Widnes and District. A list of plants compiled by 

 the Field and Camera Club of the Widnes Secondary School, number- 

 ing 383 native species, which have been observed in this unpromising 

 area. 



Catalogue of Hardy Trees and Shrubs growing at Albury 

 Park, Surrey. Compiled by A. Bruce Jackson. Private 

 distribution. West Newman & Co. 1913. This is a very 

 neat, handy, well printed, and useful catalogue of the species 

 grown in the Duke of Northumberland's beautiful seat in 

 Surrey. Considerable points of interest are included. A Black 

 Poplar is said to be 1 50 feet in height, hence one of the tallest trees in 

 Britain ; a new variety of Juglans nigra L., var. alburyensis is 



