242 ORDER 91. LABIAT.E. 



e Heads paniclecl. Leave? snbpctiulatc, subentire Nos. 7- 9 



c Heads corymbed. Leaves sessi e, entire Nos. 1012 



c Heads solitary, involucrate. Loaves serrate No. 13 



1 P. albescens T. & G. Leaves lance-ovate, acute, whitened beneath, the upper 



whitened both sides ; flowers in little secund racemes. Ala. to La. 2 3f. 



2 P. Tullla Benth. Villous-pubescent ; leaves ovate to lanceolate, acute or pointed ; 



the floral whitened ; inflorescence as in No. 1. Mountains, S. 



3 P. incanum MX. Wild Basil. Whitish, with a soft down ; leaves ovate, rounded 



at base, slightly acuminate ; the floral whitened both sides ; cymes 1' and less broad, 

 not racemed ; corolla pale red, dotted. Rocky woods, N. and W. 2 4f. 



4 P. clinopodoides T. & G. Villous-canescent ; leaves lanceolate, acute both 



ways; cymes small, dense, terminal and subterminal. Dry soils, N. Y., N. J., and 

 W. 2 3f. Plant not whitened. Heads G" diameter. 



5 P. aristutum MX. Smoothish ; leaves ovate-oblong, acute, subserrate, rounded 



at base, petiolate ; bracts rigid ; heads few, 6 9" diara. Barrens, N. J., and S. 1 2f. 



6 P. liyssopifollum Benth. Smoothish ; leaves linear-oblong, obtuse, nearly ses 



sile and entire ; heads few, large, 1' diameter. Barrens, Va. to Fla. 1 2f. 



7 P. Torreyl Benth. Slightly pubescent ; Ivs. lin.-lanceolate, acute, subentirc ; bracts 



and subulate calyx teeth white-pubescent. Dry hills, New York Island, N. J. : rare. 



8 P. pilosum N. Hoary with soft, spreading hairs ; leaves lanceolate, acute at each 



end, subentire, subsessile ; calyx teeth ovate-lanceolate, and with the bracts white- 

 tomcntous. Prairies, W. States, to Ga. 2f. Cymes dense, 6 9". 



9 P. mutictim Pers. Minutely white-downy at top ; leaves ovate to lance-ovate, 



acute, rounded or subcordate at base ; calyx teeth short, merely acute. In dry woods. 

 2 3f. Heads roundish, dense, 4 6". 



10 P. laiiceolatum Ph. Leaves linear-lanceolate, entire, acute, rigid, abrupt at 

 base, sessile ; calyx teeth short, hairy ; heads small (35"). Dry woods, Mass, to 

 Car., and W. 1 2f. Handsome, fragrant, nearly smooth. 



11 P. liiiifolium Ph. Glabrous; leaves linear, attenuated both ways ; heads com- 

 pact, corymbed ; calyx teeth pungently awn-pointed. Dry soils. 1 2f. 



12 P. nudum N. Glabrous, pale, subsimple ; leaves few and small, ovate-oblong, 

 obtuse, entire, sessile ; calyx teeth acute, pubescent. Mts., N. Car. to Ga. 1 2f. 



1 3 P iMOiitamim MX. Glabrous except the villous-ciliate ovate and linear bracts ; 

 leaves lanceolate, serrate, acute ; heads involucrate. Mountains, Va. and Car. 1 2f. 

 Resembles a Monarda. Fragrant. 



17. SATUREJA, L. SUMMER SAVORY. Calyx tubular, 10-ribbed, 

 throat not hairy. Segments of the bilabiate corolla not equal. Stamens 

 diverging, scarcely exserted. Herbs with small leaves and purplish fls. 



S. hortensls L. St. branching; Ivs. linear-oblong, entire, acute at the end ; ped. ax- 

 illary, cymous. (I) River banks, W., escaped from gardens : rare. 



18. DICERANDRA, Benth. Calyx 13-striatc, tubular, upper lip sub- 

 entire, lower bifid, throat hairy. Cor. tube exserted, straight, strongly 2- 

 lipped, the upper ( rect, cmarginate, the lower spreading. Sta. 4, exserted, 

 distant, anther cells divaricate, each with a little horn. @ Branching, 

 smooth, with loose cymes. 



1 1>. linear! folia B. Stem and branches strict; Ivs. linear, or linear-oblong; cymes 



s'.alkcd. of 15 showy pink flowers, forming slender panicles. Dry woods, Prince 

 Edward County, Va. (Dr. Mettaner), to Fla. (Miss Keen). If. October. 



2 D deiisiflora B. Leaves lance-oblong ; cymes sessile, 5-10-flowered. E. Fla. 



19. ORIGANUM, L. MARJORAM. Calyx tube 10-striatc, 5-toothed, 



