18 
FLORA OF FORFARSHIRE. 
Frequent along the coast. Particularly abundant on the 
porphyretic and sandstone rocks to the east and west of Dun- 
dee. 
R. lutea , L. Base Rocket, or Wild Mignonette. H. 33, 
B. 31. — F. July, August. 
Rocks between Arbroath and Montrose, Mr G. Don. 
Oiid. VIII.— CISTINEJE, Juss. 
Gen. Br. 1. F. 1. Sp. and v. Br. 6. F. 1. 
Helianthemum, Tourn. Rock-Rose. 
Br. sp. and v. 6. F. 1. 
H. milgare , Gaert. Common Rock-Rose. H. 34, B. 33. 
— F. July, Sept. P. ( Cistus Helianthemum , L. C. tomen- 
tosus , E. Rot.) 
Frequent along the coast, and extending to a considerable 
elevation on the mountains. One of the most beautiful of our 
rock-plants, and its racemes of delicate yellow flowers, are 
pleasantly fragrant. The leaves vary in breadth and pubes- 
cence. The filaments of the stamens, in the warm sunshine 
at least, are peculiarly irritable. If touched by a pin or the 
foot or proboscis of an insect on the inner side, they rapidly 
approach towards the pistil ; if on the outer side, they again 
recede from it. 
Ord. IX.— VIOLACE^E, DC. 
Gen. Br. 1. F. 1. Sp. and v. Br. 14, F. 8. 
Viola, L. Violet. 
Br. sp. and v. 14. F. 8. 
V. kirta, L. Hairy Violet. H. 36, B. 34. — F. April, 
May. P. 
Rather rare. Rocky bank, east end of Will’s Braes, where 
it is associated with the cowslip, both generally in prime in 
April. It occurred in another spot farther west, but which 
