342 ORD. XIX. Verticillate. 
MENTHA PULEGIUM., PENNYROYAL MINT. 
SYNONYMA4., Pulegium. Pharm. Lond. & Edinb. Raii Hist. 
p. 533. Synop.p.235. Pulegium latifolium. Bauh. Pin. p. 222. 
Pulegium regium. Gerard. Emac. p. 671. Pulegium vulgare. 
Park. Theat. p. 29. Mentha caule prostrato, foliis subrotundis 
obiter dentatis, staminibus exsertis. Hail. Stirp. Helv. n. 221. 
Mentha Pulegium. Hudson. Flor. Ang. p. 254. Withering. Bot. 
Arr. p. 602. Lightfoot. Flor. Scot.p. 306. Relhan. Flor. Cantab. 
p. 224. 
Class Didynamia, Ord. Gymnospermia. Lin, Gen. Plant. 713. 
Ess. Gen. Ch. Cor. subaequalis, 4-fida: lacinia latiore emarginata. 
Stamina erecta distantia. 
Sp. Ch. M. floribu’ verticillatis, foliis ovatis obtusis subcrenatis, 
caulibus subteretibus repentibus. 
THE root is perennial, creeping, fibrous: the stems are slender, 
procumbent, obtusely quadrangular, branched, and about a foot in 
length: the leaves are ovate, obtuse, somewhat indented, smooth, 
of a bright green colour, and stand upon short footstalks at the 
joints of the stem: the flowers are small, of a pale purple colour, 
and surround the stem at the joints in whorls: the calyx is tubular, 
‘striated, ventricose, and divided into five bearded segments; of 
these the two uppermost are the largest; the undermost one the 
least. The other parts of inflorescence agree with the preceding 
species of Mentha already described. It flowers in August and 
September. 
Pennyroyal, like the other mints, is a native of Britain, affecting 
heaths and moist situations; but that used for medicinal purposes 
is commonly the produce of cultivation. It has a warm pungent 
