554 OaoEE 89.— LABIATE. 



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

 palo blue, 4' long. May — Jl. 



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

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

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

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

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



10 S. galericulata L. Common Soull-oap. St. erect, simple, or branched; lus. 

 lanceolate-cordate, remotely crenate-serrate ; fls. axillary, solitary, large (1' long). — 

 U Meadows and ditches, Can. to Penn. Abundant. The whole plant glabrou?. 

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

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

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

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



11 S. laterifldra L. Mad-dos Skull-oap. St. branching, nearly glabrous ; lvs, 

 ovate-lanceolate, acuminate, serrate, petiolate ; rac. 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. MACBRrDEA, Ell. (Dedicated by Elliott to Dr. Wm. Macbride, 

 i>i 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- 

 i;st ; stamens ascending under the upper lip, anthers approximate by 

 pairs. — 21 Glabrous. Verticils 6-flowered, subterminal, bractless. 



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

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

 lloral short, sessile, ovate-entire. Verticils 1 or 2. Cal. 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, dvdpec ; 

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

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

 vaulted, the lower obtusely and unequally S-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 Tenu. St. 6 to 18' high. Lvs. 1 to 2' long, nearly as wide, 

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

 striated with purple lines. Ju. 



32. PHYSOSTE^GIA, Benth. Lion's-ueart. (Gr. ([ivaa, a bladder, 

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

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

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

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

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

 P. Virginiana 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 



