FLORA OF THE EAST RIDING OF YORKSHIRE. I59 



1 23 1. Mentha Puleg-ium. Liim., 52. 



(Penny-royal). 

 Native, Eng-., 7. Aug., \W 



Rare ; ponds near Skipwith Church (H.J.W.) ; the only 

 record. 



1232. Lycopus europseus. Linn., 95. 



(Gipsy-wort). 

 Native, Brit., 1-7. August. - 



Common in Dykes and wet places. 



1233. Orig-anum vulgare. Linn., 90. 



(Common Marjoram). 



Native, Brit., 3, 4. Aug., I. 



Common in chalk pits and other drv places ; Hessle chalk 

 pits* ; N. Grimston (M.B.S.). 



1234. Tliymus Serpyllum. Fr., 112. 



(Wild Thyme^. 



Native, Brit., 1-7. July, II. 



Wolds and gravelly places ; on the chalk slopes at 

 Drewton, Welton, and Thixendale. 



1236. Calamintha Clinopodium. spenn., 89. 



(Wild Basil Thyme). 



Native, Brit., 4, 7. August. 



Heslington fields (B.) ; frequent in old chalk pits ; 

 Willerby, Skidby, &c. 



1237. C. arvensis. Lum., 74. 



(Common Basil Thyme). 



Native, Brit., 3, 4. July, III. 



Langton and Driffield Wold * ; Drewton Wold near South 

 Cave. * 



