DIDYNAMIA, GYMNOSPERMIA. 39 
4. S. somewhat simple, densely pubescent ; leaves integrifolia. 
subsessile, oblong or linear, obtuse, very entire, 
attenuated at base; racemes loose, leafy.— 
Willd. 
Icon. Pluk. alm. 441. f. 6. 
Entire-leaved Skull-cap. 
Leaves all linear.—JVilld. & hyssopifolia, 
Hyssop-leaved Skull-cap. 
A very elegant and striking species, with a profusion of 
large blue flowers. In meadows and fieids of Jersey, very 
abundant. Also in fields west of the Delaware. 4. is more rare 
—generally in woods andthickets. Perennial. July, August. 
5. S. somewhat simple, pubescent ; leaves remote, ovalifolia. 
rhomboid-ovate, obtuse, round-crenate, attenu- 
~ ated at base, with short petioles; racemes ter- 
minal, loose, for the most part branched; 
branches lanceolate, entire.—.Wich. and Pursh. 
S. ovalifolia, Muhl. 
S. ovalifolia, Pers. ? 
S. Caroliniana, Walt. 
S. pilosa, Mich. and Pursh. 
Icon. Pluk. alm. t. 315. f. 4. 
A very common and ordinary looking species. In woods, 
every where abundant. Perennial. July, August. 
279. TRICHOSTEMA. Gen. pl. 988. (Ladviate.) 
Calix resupinate. Upper lip of the corolla 
falcate. Stamina very long and incurved. 
—N'utt. 
1. T. leaves rhomboid-lanceolate, the flower-bear- aichotoma. 
ing branchlets bifurcate, stamens very long.— 
Willd. and Pursh. 
Bastard Pennyroyal. 
From six to ten inches high. Flowers Prussian-blue, hand- 

