DIDYNAMIA GYMNOSPERMIA. 411 
487. ORIGANUM, Gen. pl. 981. 
1, O. spicis subrotundis paniculatis conglomeratis, bracteis vulgare, 
calyce longioribus ovatis, Willd. sp. pl. 3. p. 135. 
Icon. FI. dan. 638. 
In'dry stony fields and woods : Pensylvania to vem 
X. July, Aug. v.v. Flowers pale red, 
488. DRACOCEPHALUM, Gen. pl. 984. 
1. D. spicis brevibus tetragonis, bracteis ovatis acutis, caly- variegatum. 
cis dentibus inzqualibus, foliis arcte sessilibus ovali- : 
oblongis superne denticulatis. Vent. hort. cels t. 44. 
cum icone, 
Prasium incarnatum, Walt. fl. car. 165. 
In Lower Carolina. MY. Aug. Sept. v.v. Flowers 
blueish-red, with white stripes, very ornamental. 
2. D. spicis elongatis confertifloris, bracteis subulatis, ca- virginianum. 
lycis dentibus brevibus subaequalibus, foliis lineari- 
lanceolatis serratis.— Willd. sp. pl. 3. p. 149. 
Icon. Bot. mag. 467. Rob, ic. 207. 
In mountain meadows: Virginia and Carolina. XY. 
 July--Sept. v.v. Flowers reddish-purple, There is 
. a taller variety with dark purple flowers, 
3. D. spicis elongatis remotifloris, bracteis subulatis, ca- debct, 
lycis dentibus subaequalibus, foliis obovato-lanceolatis 
superne denticulatis.— Willd. sp. s duet 150. 
‘Prasium purpureum, Walt. fl. car. — & 
Icon. Bot. mag. 214. 
In the mountains of Virginia and Corina, — a. Jay 
Sept. v.v. Resembies the former very much; it is 
always smaller in size, and weakly in stem, 
489. PRUNELLA. Gen. pl. 990. 
1. P, folis petiolatis oblongo-ovatis basi dentatis, calycis vulgaris. 
labiis inzqualibus, superiore truncato aristato, caule -~ 
adscendente.— Willd. sp. pl. 3. p. 176. 
Pes Fl. dan. 910. Engl. bot. 961. 
In fields and meadows: New England io Colin a. 
July, Aug. v.v. Flowers violet purple. 
x P. foliis petiolatis ovato-lanceolatis basi dentatis, calycis pensylvanica. 
- - labiis zqualibus, superiore truncato triaristato, caule 
_adscendente, Willd. hort, berol. p. 9. t. 9. 
