DIANDRIA, MONOGYNIA. 
18 
fertile stamens with the style exserted nearly 
twice the length of the corolla. Stigma un- 
equally bifid. Seeds 4. Nutt. 
1. C. leaves ovate, serrate, sessile ; corymbs termi- Marian*; 
nal, dichotomous. Willd. 
Icon. Pluk. mant. t. 344. f. 1. (Pursh.) 
Dittany. Mountain-Dittany. 
A very beautiful plant, with purple flowers situated in ter** 
minal, and sometimes axillary corymbs. Leaves dotted. Com- 
mon in all our dry hilly woods. The whole plant has a warm 
aromatic scent, and perhaps considerable medicinal powers 
as a tisan. Perennial. July, August. 
13. Hedeoma, Pers. syn. 2. p. 131. ^ Labiate.) 
Cal. bilabiate, gibbous at the base, upper lip 
3 toothed, lower 2 ; dentures all subulate. 
Cor. ringent. Stamina 2-sterile. The 2-fer- 
tile stamens about the length of the corolla. 
Nutt. 
1. H. pubescent; leaves oblong, serrate; pedun- puiegioUft. 
cles axillary and verticillate ; the lower lip of the 
calix biseted ; rhe bristles ciliated. Pers. 
Cunila pulegioides. Willd. sp. pi. 1. p. 122. 
Pennyroyal. 
A very common and well-known plant, universally esteem- 
ed for the peculiar, war m, aromatic, and grateful odour it pos- 
sesses. Flowers pale -blue, small. Few indigenous plants 
are more commonly used for medicinal purposes, than penny- 
royal. It deserves its reputation. Very frequent every where 
in fields, on dry hills, and by wa}"-sides. Perennial. July. 
14, MonArda, Gem pi. 48. fLabiatde*) 
Cal. 5-toothed, cylindric, striate. Cor. rin. 
gent, with a long cylindric tube, upper lip 
linear, nearly straight and entire, involving 
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