52 



THE NATURALIST. 



Artemisia. Linn. Wormwood. 

 A. vulgaris, L. Mugwort. Bab. 180. Hedges, etc. 



Tanaoetum. Linn. Tansy. 

 T. vulgare, L. Bab. 180. Eare in the district ; in the sandy field near 

 Marlow in which Trifolium arvense grows. 



FiLAGO. Linn. Cudweed. 

 F. germanica, L. Bab. 181. Clover fields and dry places. 



F. minima, Fr. Bab. 181. Gravelly places ; on the common at Tyler's 



Green ; Wooburn Common j occurs also in the Marlow list. 



Gnaphalium. Linn. 



G. uliginosumy L. Bab. 182. Damp places and roadsides. 



G. sylvaticum, L. Bab. 182. Heathy places in woods ; Fennell's Wood ; 



at Lane End ; and near Prestwood. 



Senecio. Linn. Eagwort. 

 S. vulgaris, L. Groundsel. Bab. 183. In almost all situations. 

 S. sylvaticus, L. Bab. 184. Not common; Wycombe Heath; roadside, 



West Wycombe , Naphill Common ; Wooburn Common ; and near 



Loudwater. 



S. erucifolius, L. Bab. 184. Sides of fields and railway embankments j 



near the Hill Farm j in the Quarry, Bisham, Berks ; etc. 

 S. Jacohcea, L. Bab. 184. Waste ground, railway embankments, etc. 



(To be continued. J 



THE PIGMENT CELLS OF PLANTS IN SOME OF THEIE 

 YAEIED FOEMS AND STEUCTUEES. 



A Pa^er read before the QuecJcett Microscopical Club, Friday, 



22nd June, 1866. 



By N. Burgess. 



Of the many Fields in Nature which present themselves to our view, 

 it is customary, if not with all, most certainly with most of us, to select 

 those in which we take the greatest interest, or which afford us most 

 pleasure. To the enthusiastic Geologist there is nothing so enchanting as 

 the examination of old deposits and formations of the past, and though he 



