Prunella.} LABIATE. 219 



* Calyx campanulate. Middle lobe of the lower lip of the 



corolla entire. 



1. T. iSerpyllum, Linn. Wild Thyme. Flowers in small 

 heads ; stems recumbent ; leaves flat, ovate, obtuse, entire, 

 fringed at their base. Br. FL 1. p. 272. E. Fl. v. iii. p. 107. 

 E. Bot. t. 1543. 



Hills and dry pastures, abundant, Fl. July, Aug. 1. Variable 

 in the hairiness of the leaves, which are sometimes all over hoary, and 

 in the size of the plant, which on the limestone rocks at Mucruss, and 

 in the county of Clare, assume a shrubby appearance ; also in the 

 scent of its foliage, which sometimes approaches that of the Lemon 

 Thyme of the gardens, ( S. citratum of Ray's Synopsis,) ( T. Ser- 

 pyllum var. t of Smith,) which has not yet been found in Ireland. 

 Flowers purple, rarely white. 



* sj Calyx cylindrical. Middle lobe of the lower lip of the 



corolla emarginate. 



3. T. Calamintha, Scopoli. Calamint. Whorls on forked 

 many-flowered stalks ; leaves with shallow serratures ; hairs in 

 the mouth of the calyx not prominent. E. Fl. v. iii. p. 109. 

 E. Bot. t. 1414. Melissa Calamintha, Linn. Calamintha offi- 

 cinalis, Mcench. Br. Fl. 1. p. 279. 



Way-sides and gravelly places. Road-side between Monkstown 

 and Glenagary, county of Dublin ; Major Percy Pratt. Near New- 

 castle, county of Wicklow ; Doctor Aquilla Smith. Old walls near 

 Cork ; Mr. J. Drummond. Fl. July, Aug. 1 . Plant downy, aro- 

 matic. Stem erect, bushy. Leaves ovate, about an inch long. 

 Flowers pale purple, spotted with darker colour. Said to be employed 

 in making herb tea. 



18. PRUNELLA. Linn. Self-heal. 



Calyx ovate, upper lip plane, more or less distinctly 3-toothed, 

 lower one bifid. Corolla with the upper lip nearly entire, 

 arched ; lower one 3-lobed. Filaments with two teeth at the 

 extremity, one bearing the anther. Name, from the German, 

 braiine, the quinsy, whence Brunella of Ray, softened into 

 Prunella. Didynamia. Gymnospermia. 



1. P. vulgaris, Linn. Self-heal. Leaves stalked, oblongo- 

 ovate ; upper lip of the calyx truncated, its teeth almost 

 obsolete. Br. Fl. 1. p. 281. E. Fl. v. iii. p. 114. E. Bot. 

 t. 961. 



Moist and barren pastures, frequent. Fl. July, Aug. !{.. Flowers 

 very densely whorled, so as to form an imbricated oblong spike, with a 

 pair of leaves at its base, and a pair of broad, obcordate bracteas be- 

 neath each whorl. Corolla violet blue, its lower lip finely toothed at 

 the margin. 



