DIDYNAMIA GYMNOSPERMIA. 411 



487. ORIGANUM. Gen. pi. Q81. 



1 . O. spicis subrotundis paniculatis conglomeratis, bracleis viilgare. 



calyce longioribus ovatis, Willd. sp. pi. 3, p. 135. 

 Icon. FLdan. 638. 

 In dry stony fields and woods : Pensylvania to Virginia, 



% . July, Aug. V. V. Flowers pale red. 



488. DRACOCEPHALUM. Gen. pi 984. 



J. D. spicis brevibus tetragonis, bracteis ovatis acutis, caly- variegatum. 



cis dentibus inaequalibus, foliis arete sessilibus ovali- 



oblongis superne denticulatis. Fent. hort. eels t. 44. 



cum icone. 

 Prasium incarnatum. IVall.fl. car. 105, 

 In Lower Carolina. 1/ . Aug. Sept, v. v. Flowers 



blueish-red, with white stripes, very ornamental. 



2. D. spicis elongatis confertifloris, bracteis subulatis, ca- vlrginianum. 



lycis dentibus brevibus subaequaiibus, foliis lineari- 



lanceolatis serratis. — Willd. sp. pi. 3, p. 14Q. 

 Icon. Bot. mag. 467- Rob. ic. 207. 

 In mountain meadows: Virginia and Carolina. 1/. 



July — Sept. V. V. Flowers reddish-purple. There is 



a taller variety with dark purple flowers. 



3.D, spicis elongatis remotifioris, bracteis subulatis, cz- denticulatum. 



lycis dentibus subaequaiibus, foliis obovato-lanceolatis 



superne denticulatis. — JFilld. sp. pi. 3. p. 150. 

 Prasium purpureura. (Valt.Ji. car. 1(56. 

 Icon. Bot. mag. 214. 

 In the mountains of Virginia and Carolina. 2/ . July — 



Sept. V. V. Resembles the former very much ; it is 



always smaller in size, and weakly in stem. 



489- PRUNELLA. Gen. pi. ggo. 



1. P. foliis petiolatis oblongo-ovatis basi dentatis, calycis vulgaris. 



labiis inaequalibus, superiore truncate aristato, caule 



adscendente. — Willd. sp. pi. 3. p. IJQ. 

 Icon. Fl.dan.QlO. Engl. hot. qQI. 

 In fields and meadows : New England to Carolina. 1/. 



July, Aug. V. V. Flowers violet purple. 



2. P, foliis petiolatis ovato-lanceolatis basi dentatis, calycis pensylvanlca. 



labiis aequalibus, superiore truncato triaristato^ caule 

 adscendent». Willd. hort. berol.p. g. t. y. 



