302 LABIATE. (MINT FAMII.Y.) 



82. BALLOTA. Calyx somewhat funnel-form, the 5 - 10-teeth united at the base into a spread- 



ing border. , Nutlets roundish at the top. Upper lip of the corolla erect. 



83. PHLOMIS. Calyx tubular, the 6 short and broad teeth abruptly awned. Upper lip of the 



corolla arched. 



1. TEtlCRIUM, L. GERMANDER. 



Calyx 5-toothed. Corolla with the 4 upper lobes nearly equal, oblong, turned 

 forward, so that there seems to be no upper lip ; the lower one much larger. 

 Stamens 4, exserted from the deep cleft between the 2 upper lobes of the corolla : 

 anther-cells confluent. (Named for Teucer, king of Troy.) 



1. T. Canadense, L. (AMERICAN GERMANDER. WOOD SAGE.) 

 Herbaceous, downy; stem erect (l-3 high) ; leaves ovate-lanceolate, serrate, 

 rounded at the base, short-petioled, hoary underneath ; the floral scarcely longer 

 than the oblique unequally-toothed calyx ; whorls about 6-flowered, crowded in 

 a long and simple wand-like spike, ty Low grounds; not ra?c. July. 

 Corolla pale purple, rarely white. 



AJUGA CHAMJEPITHYS, L., the YELLOW BUGLE of Europe, gathered in 

 Virginia by Clayton, has not been noticed since. i 



2. TRICHOSTEMA, L. BLUE CURLS. 



Calyx bell-shaped, oblique, deeply 5-cleft ; the 3 upper teeth elongated and 

 partly united, the 2 lower very short. Corolla 5-lobed ; the lobes narrowly ob- 

 long, declined, nearly equal in length ; the 3 lower more or less united. Sta- 

 mens 4, with very long capillary filaments, exserted much beyond the corolla, 

 curved: anther-cells divergent and at length confluent. 1 Low annuals, some- 

 what clammy-glandular and balsamic, branched, with entire leaves, and mostly 

 solitary 1 -flowered pedicels terminating the branches, becoming lateral by the 

 production of axillary branchlets, and the flower appearing to be reversed, 

 namely, the short teeth of the calyx upward, &c. Corolla blue, varying to pur- 

 ple, rarely white, small. (Name composed of 6pi, hair, and or^/ia, stamen, 

 from the capillary filaments.) 



1. T. dicliotoimuii, L. (BASTARD PENNYROYAL.) Leave* lancer 

 oblong or rhombic-lanceolate, rarely lance-linear, short-petioled. Sandy fields, 

 New England to Kentucky, and southward, chiefly eastward. July - Sept. 

 The curved stamens ' long. 



2. T. lilieiare, Nutt. leaves linear, nearly smooth. Sandy pine barrens 

 of New Jersey, and southward. Bather taller and less forked than the last 

 (8* -12' high), the corolla larger. 



3. ISANTHUS, Michx. BALSE PENNYROYAL. 



Calyx bell-shaped, 5-lobed, equal, enlarged in fruit. Corolla little longer than 

 the calyx ; the border bell-shaped, with 5 nearly equal and obovate spreading 

 lobes. Stamens 4, slightly didynamous, incurved-ascending, scarcely exceeding 

 the corolla.- A low, much branched, annual herb, clammy-pubescent, with 

 nearly entire lance-oblong 3-nerved leaves, and small pale blue flowers on short 



