554 Obdbb 89.— labiate. 



middle pairs largest, acute or obtusish. Floral leaves entire, small. Flowers few, 

 pale blue, 4'' long. Ma7— Jl 



9 S. pSrviila Mx. St. simple or branching at base, square, puberulent ; Ivs. ob- 

 long-ovate, obtuse, entire, sessile; fls. small (3") axillary, opposite. — Pastures, Mid. 

 and W. States. Plant 3 to 6' high. Root generally with tuberous inlemodes, 

 and fibrous at each joint. Lrs. 3 to 6" long, J as wide, lower 3" diam. Fig. 

 rather numerous, longer (4") than the leaves, blue. Jn. 



10 S. galerioulata L. Commok Scull-oap. St. erect, simple, or branched ; hs. 

 lanceolaie-cordaie, remotely crenaie-serrate ; fls. axillary, solitary, large (1' long). — 

 If. Meadows and ditches, Can. to Penn. Abundant. The whole plant glabrous. 

 Stem square, 12 — 18' high. Leaves truncate-cordate at base and acutish at apex, 

 scarcely petiolate, IJ' by ^■'. Flowers much larger than the preceding, rarely 

 more than 1 from the same axil, with a vizor-liks calyx like that of the other 

 species. Cor. an inch in length, blue. Aug. 



11 S. lateriflora L. MAD-Doe Skuli-cap. St. branching, nearly glabrous ; Ivs. 

 ovate-lanceolate, acuminate, serrate, petiolate ; rao. lateral, axillary, leafy. — 

 Meadows and ditches, lat 38° to Arc. Am. St. square, 1 to 2f high, very branch- 

 ing. Lvs. opposite, rounded at base, acuminate or acute, coarsely serrate, on 

 petioles an inch in length. Rac. opposite, axillary, somewhat 1-sided ; on long 

 stalks, with small blue fls. and small lvs. Jl., Aug. — The English name is due 

 to the singular form of the calyx, which after flowering, closes upon the seeds like 

 a cap or vizor. 



30. ffl ACBRPDEA, Ell. (Dedicated by Elliott to Dr. Wm. Macbride, 

 of Charleston.) Calyx campanulate, 3-lobed, upper lobe oblong, nar- 

 row, lower, rounded ; corolla tube long-exserted, throat inflated, upper 

 lip erect, entire, lower short, spreading, the middle lobe rounded, broad- 

 est ; stamens ascendiing under the upper lip, anthers approximate by 

 pairs. — 71 Glabrous. Verticils 6-flowered, subterminal, bractless. 



M. piilchra Ell.— Swamps, middle districts, K Car. to Ga. St. obtusely 4-angled, 

 1 to 2f high. Lvs. oblong-eUiptical, petiolate, obscurely serrate or sinuate, the 

 ■floral short, sessile, ovate-entire. Terticilg 1 or 2. CaJ. green, thin, veiny, 6" 

 long, cor. 18", streaked with bright purple and white. Aug., Sept. 



31. SYNAN'DRA, Nutt. (Fig. 86, 325.) (Gr. aw, together, &vSpsr, 

 in allusion to the coherence of the anthers.) Calyx 4-cleft, segments 

 unequal, subulate, converging to one side; upper lip of corolla entire, 

 vaulted, the lower obtusely and unequally 3-lobed; throat inflated; 

 stamens ascending beneath the galea, upper pair of anthers cohering, 

 having the contiguous cells empty. — @ Fls. solitary, axillary, somewhat 

 spicate above. 



S. grandiflora Nutt. St. subsimple, nearly smooth, subterete ; lvs. cordate-ovate, 

 acuminate, obtusely dentate, often dilated at base, petiolate, the floral sessile ; fls. 

 solitary, sessile ; caL segm. ovate, setaceously acuminate, two upper larger than 

 the two lower; cor. tube somewhat funnel-form, mouth much inflated. — ^Woods, 

 Cleveland, Ohio, to Tenn. St. 6 to 18' high.' Lvs. 1 to 2' long, nearly as wide, 

 petioles 1 to 3'. ' Cor. 1' long, upper Up very large, rounded, white, lower lip 

 striated with purple lines. Jn. 



32. PHYSOSTE^GIA, Benth. Lion's-hbart. (Gr. ifivaa, a bladder, 

 and OTEyr], a covering ; from the inflated corollas.) Calyx campanulate, 

 subequally 5-toothed;' corolla tube much exserted, throat inflated, -upper 

 lip concave, middle division of lower lip largest, roundish, emarginate j 

 stamens 4, unconnected, ascending beneath the under lip, the two lower 

 rather longer.— U Fls. opposite, in a terminal, bracteate, 4-sided spike. 

 P. Virgini^na Benth. Cal. in fruit ovate, inflated ; cor. gaping, upper lip con- 

 cave. — A beautiful plant, native in Penn., S. and W. States, often in gardens. 

 It varies much in stature, is very smooth, dark-green. St. square, thick, rigid, 1 



