Salvia. LABIATiE. 369 



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

 ceolate or linear-lanceolate, sunietinies entire; tlural subulate or ovate-lanceolate, mostly 

 caducous : spiciforni inMoresccnce on a long naked jjcduncle, interrupted, of densely many- 

 flowered clusters, finely and the calyx very densely and softly wliite-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, exceedingly short : lower lip of the violet- 

 blue corolla with middle division obcordatc-two-lobed. — Lab. 274; Braun in IJot. Zeit. 

 ix. 44. S. irlchost 1/1(1, Bischoff, Ind. Seni. Heidelb. 1847. S. umahtlis, Kunth, Ind. Sem. 

 Berol. 1848. S. ctvsla, Scheele in Linn. xxii. 588. — Texas, in rich soil; common. 



S. azurea, 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: spiciform inflorescence looser, more inter- 

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

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

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

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

 lip sinuately 3-lobed and emarginate. — " Diar. Hist. Nat. i. 409," & Diet. vi. (32.5 ; Pursh, 

 Fl. i. 19; Bot. Mag. t. 1728. S. Mexicana, Walt. Car. 05, not L. S. acumlnatissima, Vent. 

 Cels, t. 50. S. aiHjusti/uIui, Miclix. Fl. i. 13, not Cav. S. acumiiwhi, Pers. Syn. i. 24. S. 

 ekttii, Poir, Diet. vi. 025. S. corii folia, Scheele in Linn. 1. c. — S. Carolina to Florida and 

 Texas. Westward varies insensibly into 



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

 tonientulosc-scriceous. — DC. Prodr. xii. o02. 6". Pilchirl, Torr. in Benth. Lab. & DC. 1. c. 

 S. eloiiijala, Torr. in Ann. Lye. N. Y. ii. 231, not IIBK. S. loiif/i/olia, Nutt. in Trans. Am. 

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



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

 ing bristly hairs, especially at the nodes: leaves hncar (li to 3 inches long, 1 or 2 lines 

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

 alender, 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 the 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. 5. reptans, Jacq. Schccnbr. t. 319. ^S". virf/ata, Ort. — (Mex.) 



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

 — S. ((;«)•«(, Torr. Bot. Mex. Bound. 131, in part : that including these three species. — S. W. 

 Texas, Wricjht, &.c. (Mex., Ilartiveij.) 



:^ = Flowers barely half inch long or shorter, and bilabiate calyx a fiuarter inch long : covolla- 

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



a. .Vnniinis: leaves from linear- to oblong-lanceolate, tapering into the slender petiole: iiidoresccnce 

 virgate-spieifonn, interrupted, naked, the floral leaves or bracts ver}' smA\ : upper Mp of calyx 

 ovate and entire. 



S. lanceolata, "Willd. Puberulent or nearly glabrous, branched from the base, 5 to 

 12 inches high : leaves lanceolate or linear-oblong, obtuse, irregularly serrate with obtuse 

 appressed teeth or nearly entire : the inconsj)icuous floral ones lanceolate or subulate, 

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

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

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

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

 Eel. i. t. 13. S. trlcliostcmoidcK, Pursh, Fl. i. 10. — 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- 

 eeolate, incisely dentate (inch or two long) ; the floral minute, ovate, caducous : calyx gland- 

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

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

 Ilartw. 20. — New Mexico and Adjacent Texas, Fendter, Wrhjht, Bi(/eloio. (Mex.) 



b. Perennials, or the Ari/.onian species uneertain : leaves ovate, serrate, mostly slendcr-pctioled ; 

 (hose 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, crcnate-serrate (9 to 20 lines long) ; floral minute : 



24 



