GISSING : FLORA OF WAKEFIELD. 



167 



Sub-Class III. Corolliflorje. 



Order— EEICACE^. 

 Erica. Linn. Heath. 

 E. TetraliXj L. Cross-leaved Heath. S. July — September. Hessel near 

 Ackworth, Woolley Edge, Eyhill. 



E. cinerea, L. Eine-leaved Heather. S. July — September. Heath, Out- 



wood, Woolley Edge, IsTew-Miller Dam, Went Yale. 



Calluna. Salish. Ling. 

 C. vulgaris, Salisb. Common Ling. S. June — August. Ardsley, Woolley, 

 EyhiU, &c. 



Order— AQUIFOLIACEiE. 

 Ilex. Linn. Holly. 

 J, aquifolium, L. Common Holly. S. May — June. Common. 



Order— OLEACE^. 

 Ligustrum. Linn. Privet 

 L. vulgare, L. Privet. S. June — August. Frequent in hedges but never 

 wild. 



Eraxinus. Linn. Ash. 



F. excelsior, L. Common Ash. T. April. Common. The seed vessels 



are in some parts called " keys." The same term is applied to the seed 

 vessels of the maple. 



Order— APOCYi^ACE^. 

 YiNCA. Linn. Periwinkle. 



V. minor, L. Lesser Periwinkle. P. April — June. Stanley, ISTot wild. 



V. major, L, Greater Periwinkle. P. April — June, Occasionally, but 

 not wild. These two plants are the only representatives we have in 

 the British Flora of this order which contains amongst other deadly 

 poisons the Stri/chnos Nux- Vomica (yielding Strychnine) and the 

 Strychnos toxifera (yielding the celebrated Wourali Poison.) 



Order— GENTIAJsTACE^. 

 ERYTHRiEA. Rencalm. Centaury. 

 E. Centaurium, Pers. Common Centaury, A. July — September. Frequent. 



Gentiana. Linn. Gentian. 

 G. AmareUa, L. Small flowered Gentian. A, July — October. Garforth, 



Went Yale, Ledstone, Glass Houghton (Mr. Eoberts). 

 G. eanipestris, L, Field Gentian. A. August — October. Glass Houghton, 

 (Mr. Eoberts,) I have not seen this plant from this locality. 



