Salvia. LABIATE. 369 



or rarely subcordate base, coarsely and irregularly serrate, on slender petioles ; upper lan- 

 ceolate or linear-lanceolate, sometimes entire ; tioral subulate or ovate-lanceolate, mostly 

 caducous : spiciforni inflorescence on a long naked peduncle, interrupted, of densely many- 

 flowered clusters, finely and the calyx very densely and softly white-tomentose (often 

 tinged with violet) ; the latter oblong-cylindraceous and in age striate-sulcate, as it were 

 truncate ; the teeth 3, very broad and obtuse, exceedhigly short : lower lip of the violet- 

 blue corolla with middle division obcordate-tvvo-lobcd. — Lab. 274 ; Braun in Bot. Zeit. 

 ix. 44. S. tric/iostij/d, Bischoff, Ind. Sem. Ileidelb. 1847. 6\ amuhills, Kunth, Ind. Sem. 

 Berol. 1848. 5. ccesia, Scheele in Linn. xxii. 588. — Texas, in rich soil; connnon. 



S. aziirea, Lam. Glabrous or puberulent : lower leaves lanceolate or oblong, obtuse, 

 denticulate or serrate, tapering into a slight petiole ; upper narrower, often linear, entire ; 

 floral or bracts subulate, somewhat persistent : spicifonn inflorescence looser, more inter- 

 rupted, and fewer flowers in the clusters, sometimes thyrsoidal or paniculate-branched : 

 pedicels short : calyx oblong-campanulate, usually minutely puberulent, obscurely bila- 

 biate ; tlie very broad and obtuse upper lip and tlie two similar but acutish lobes of the 2- 

 parted lower lip distinct but short : corolla deep blue (sometimes varying to white) ; lower 

 lip sinuately o-lobed and emarginate. — " Diar. Hist. Nat. i. 409," & Diet. vi. 025 ; Pursh, 

 Fl. i. 19 ; Bot. Mag. t. 1728. S. Mexicana, Walt. Car. 65, not L. S. acuminatissima, Vent. 

 Cels, t. 50. S. anffust (folia, Michx. Fl. i. 13, not Cav. S. acuminata, Pers. Syn. i. 24. .S. 

 elata, Poir, Diet. vi. 625. S. coriifolia, Scheele in Linn. 1. c. — S. Carolina to Florida and 

 Texas. Westward varies insensibly into 



Var. grandiflora, Benth. Cinereous-puberulent : denser inflorescence and calyx 

 tomcntulosc-sericeous. — DC. Prodr. xii. 302. S. Pilrheri, Torr. in Benth. Lab. & DC. 1. c. 

 S. eluiiijata, Torr. in Ann. Lye. N. Y. ii. 231, not IIBK. .S". lom/ifolia, Nutt. in Trans. Am. 

 Phil. Soc. n. ser. v. 185. — Mississippi to Kansas, Colorado, and Texas. 



S. angustif olia, Cav. Slender, usually glabrous, except usually some scattered spread- 

 ing bristlj' hairs, especially at the nodes: leaves linear (1^ to 3 inches long, 1 or 2 lines 

 wide), entire or obscurely denticulate, acute, somewhat petioled : inflorescence virgate, 

 slender, of distant few-flowered clusters : pedicels very short : calyx narrowly oblong or 

 cylindraceous, with lips half the length of the tube ; upper ovate, entire, acute ; lower of 2 

 similar but more pointed lobes: lower lip of tlie blue corolla as wide as long; the middle 

 lobe emarginate or undulate. — Ic. iv. 9, t. 317; Benth. I.e.; Bot. Reg. t. 1554; Brit. Fl. 

 Gard. n. ser. t. 219. S. reptans, Jacq. Schoenbr. t. 319. S. vinjata, Ort. — (Mex.) 



Var. glabra. Wholly glabrous, even the hairy ring at the nodes wanting or obsolete. 

 — S. azurea, Torr. Bot. Mex. Bound. 131, in part : that including these three species. — S. W. 

 Texas, Wri</ht, &c. (Mex., Ilartiveg.) 



= == Flowers barely half inch long or shorter, and bilabiate calyx a quarter inch long : corolla- 

 tube hardly at all exserted: style glabrous or nearly so. 



a. Annuals: leaves from Ihicar- to oblong-lanceolate, tapering into the slender petiole: inflorescence 

 virgate-spicifomi, interrupted, naked, tlie floral leaves or bracts very small : upper lip of calyx 

 ovate and entire. 



S. lanceolata, V\7^illd. Puberulent or nearly glabrous, branched from the base, 5 to 

 12 Indies liigh : leaves lanceolate or linear-oblong, obtuse, ii'regularly serrate with obtuse 

 apprcssed teeth or nearly entire : the inconspicuous floral ones lanceolate or subulate, 

 somewhat persistent, seldom exceeding tlie pedicels: calyx minutely hairy on the nerves, 

 deeply bilabiate ; its lower lip 2-clef t, the teeth ovate and mucronate-acute : corolla small 

 (4 lines long), little exceeding the calyx, its lower liji little prolonged : lower fork of the con- 

 nective narrowly linear, bearing its lateral lobe nearer the insertion. — Enum. 37 ; .Jacq. f. 

 Eel. i. t. 13. .S'. trichostemoidcs, Pursh, Fl. i. 19. — Plains, Nebraska to Texas, Arizona, and 

 southward. Also E. Florida, Leavenworth. (Mex.) 



S. subincisa, Benth. More pubescent above, a foot or more high : leaves oblong-lan- 

 ceolate, inciscly dentate (inch or two long) ; the floral minute, ovate, caducoxis : calyx gland- 

 ular-pilose, hardly equalling the throat of the (half inch) corolla; the broad lower lip 

 merely 2-toothed: lower fork of the connective bearing its lateral lobe at the middle. — PI. 

 Ilartw. 20. — New jNIexico and Adjacent Texas, Fendler, Wri(jld, Bii/cloiv. (Mex.) 



b. Perennials, or the Arixonian species uncertain : leaves ovate, serrate, mostly sleiider-petiolod ; 

 those of the interrupted spiciform or racemiform inflorescence small and caducous. 



S. serotina, L. A span to 2 feet high, much branched, pubescent : leaves ovate and 

 with truncate or subcordate base, obtuse, crenate-serrate (9 to 20 lines long) ; floral minute : 



24 



