664 LABIAIVE. (mint FAMILY.) 



13. T. Chamaetlrys, L. Wall-Germander. 21 .2 to /S, green, 

 hirtulous to hirsute or canescent; root-stock stoloniferous, branches 

 numerous, rooting at base, ascending, ending in a short, oblong, leafy 

 raceme. Leaves oblong, .015 to .03 long, tapering to a bordered 

 petiole, incised-dentate or lobed ; the floral smaller, toothed, longer than 

 calyx. Whorls 3-6-flowered; pedicels shorter than calyx ; calyx reddish, 

 pubescent, somewhat gibbous at base, .005 long, teeth lanceolate-sub- 

 ulate, rather shorter than tube ; corolla purple, twice-and-a-half as long 

 as calyx — June to September — Eocks ; lov.'er to subalpine mountains 

 of northern Syria, and northward. 



Var. caiiuni, Boiss. Leaves woolly-cancscent on both sides. 



14. T. flavum, L. If .2 to .4, shrubby at base, much branched; 

 branches erect or ascending, crisp-hairy, grey, ending in a loose raceme 

 .05 to .2 long; whorls distant at base. Leaves wooU}', canescent at 

 lower surface, obovate, cuneate-tapering at base into a short petiole, 

 .01 long, crenate cibove middle, the floral oblong, smaller, entire or ob- 

 soletely crenate near tip, as long as calyces or shorter. Whorls 2-6-flower- 

 ed; pedicels shorter than calyx; calyx grey or reddish, tomentelleus, 

 somewhat gibbous at base, .008 long, teeth triangular-lanceolate, rather 

 shorter than tube ; corolla yellow, twice as long as calyx — Summer — 



Var. piirpureum, Bth. Indument woolly. Corolla purple. Lower 

 and middle zone of coast ranges, and northward (T. divaricatum, Sieb.) 



15. T. §ocmiaiiuiii, Boiss. 5 -1^ ^^ .2; stems numerous, in- 

 tricate from a woody base, very brittle, tomentellous-canescent, ending 

 in a glandular-hispidulous raceme, .03 to .06 long. Leaves sessile, ol- 

 long to oUong -linear, .006 to. 013 long, .003 to .004 broad, revolute-maT- 

 gined, i^egidarly crenate-lobed to base, the floral rliombic-ovate to oblong, 

 shorter than calyx. Whorls 2-flowered ; pedicels a little shorter than 

 calyx; calyx viscid, .007 long, teeth triangular-lanceolate, about half 

 as long as tube, nearly equal ; corolla purple, twice as long as calyx — 

 July — Fissures of rocks near Ma'lulah and at Kas-el-'Ain (Yebriid.) 



16. T. c©iiiortoide§, Boiss. et Blanche 5 -^^ to .2; -stems 

 woolly-canescent, procumbent or ascending, ending in a loose raceme. 

 Lower leaves . 006 long, all woolly-canescent on both sides, cuneate-ob.- 

 long, with somewhat revolute margin, and 2-3, ascending, obtuse teeth on 

 each edge, the floral entire, about as long as flowers. Whorls 2-flowered, 

 remote; pedicels a little shorter than calyx; calyx appressed-tomen- 

 tellous, teeth lanceolate, nearly equal, about half as long as tube ; co- 

 rolla purple, twice as long as calyx — May — Base of el-Jebel-el-Abiad 

 (Pal^yrene Desert). 



\7, T. leucocladum, Boiss. ^ JaVideh .2, appressed-wooUy- 

 canescent; the old branches woody, tortuous, the new white, .04 to 

 .07 long, forked, at length subspinescent. Leaves cuneate-obovate, the 

 largest .009 long .006 broad at tip, obtusely and sparingly crenate,^ the 

 floral elliptical, entire. Heads scarc^Z^/ larger than a pea, nearly spherical, 

 few-flowered, short-peduncled ; bracts elliptical, obtuse; calyx .0025 

 long, teeth ovate, obtuse; corolla white, once-and-a-half as long as 

 calyx — Rocks; Wadi Hebran (Sinai). 



1§. T. Polium, L. 1i Bu'eiterdn ,3 to .4, tomentellous-canes- 

 cent, or white-fleecy, shrubby at base ; branches ascending or erect, 



