554 Obdeb 89.— LABIATE. 



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

 pale blue, 4 ' long. May — Jl. 



9 S. parvula Mx. St. simple or branching at base, square, puberuleut ; lvs. ob- 

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

 and W. States. Plant 3 to 6' high. Root generally -with tuberous mternode;;, 

 and fibrous at each joint. Lvs. 3 to G" long, \ as wide, lower 3" diam. Fin. 

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



10 S. galericulata L. Common* Scull-cap. St. erect, simple, or branched ; lvs. 

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

 11 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 petiolato, 1J' by J'. Flowers much larger than the preceding, rarely 

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

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



11 S. lateriflora L. Mad-dog Skull-cap. St. branching, nearly glabrous ; lvs. 

 ovate-lanceolate, acuminate, serrate, petiolato ; 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 lis. and small lvs. Jl., Aug. — The English name is due 

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

 si cap or vizor. 



30. MACBRFDEA, EH. (Dedicated by Elliott to Dr. Wm. Macbridc, 



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

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

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

 est; stamens ascending- under the upper lip, anthers- approximate by- 

 pairs. — If Glabrous. Verticils C-flowcred, subterrninal, bractless* 

 M. pulchra Ell. — Swamps, middle districts, N. Car. to Ga. St. obtusely 4-nngled r 

 1 to 2f high. Lvs. oblong-elliptical, petiolate, obscurely serrate or sinuate, tho 

 floral short, sessile, ovate-entire. Verticils 1 or 2. Cal. green, thin, veiny, C' r 

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



31. SYNAN'DRA, Nutt. (Fig. 86, 325.) (Gr. cw, together, dvdpe.q ; 

 in allusion to the coherence of the anthers.) Calyx 4-eleft, segment* 

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

 vaulted, the lower obtusely and unequally 3-lobcd ; 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. subsimplo, nearly smooth, subtereto- lvs. cordate-ovate, 

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

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

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

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

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

 striated with purple lines. Jn. 



32. PHYSOSTE v GIA, Benth. LionViieakt. (Gr. <f>vaa, a bladder, 

 and areyj], 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, cmarginate; 

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

 rather longer. — 21- Fls. opposite, in a terminal, bracteate, 4-sided spike. 

 P. Virginiaiia 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, I 



