LABIATiE. (mint FAMILY.) 



643 



spathulate, loug-tapering at base, the upper sessile, acutish. Lower 

 whorls distant, the upper usually forming an almost continuous spike ; 

 floral leaves membranous, reticulate, green, cordate, abruptly short-acu- 

 minate, scarcely longer than whorl ; calyx-teeth lanceolate, two-thirds 

 to half as long as tube; corolla yellow, v/ith included tube — Summer 

 — Eocks; Nahr-el-Kelb (Lebanon). 



5. S. Libanotica, Labill. 2]! .4 to Fig. 

 .6, many-stemmed, the branches and new 

 leaves white-woolly, often glabrescent, 

 greenish above ; stems angled, slender, sim- 

 ple or stiff-branched. Leaves rigid, reticu- 

 late, spathulate and oblanceolate obtuse to 

 oblong-lanceolate, the upper acute, mucro- 

 nate, usually acutely serrulate. Whorls dis- 

 tant, about .01 long and broad ; floral leaves 

 somewhat membranous, cordate-orbicular, 

 acuminate to abruptly cuspidate or mucro- 

 nate, the lower longer fhe upper shorter than 

 whorl ; calyx-teeth spiny-mucronate, half as 

 Z(???p' as tube ; corolla yellow, with included 

 tube — July to September — Alpine and 

 subalpine Lebanon, Antilebanon, and lower 

 to alpine regions of Cassius, Amanus and 

 Akher Dagh, and northward. 



Var. tncana, Boiss. Densely white- 

 felty — Alpine regions. 



Var. linearis, Bth. Green, glabres- 

 cent or canescent. Leaves linear-lanceolate to linear — Antilebanon ; 



Fig. 303. Whorls 

 of Sideritis Libano- 

 tica. 



Fig. 304. Spike of 

 Sideritis Nusairien- 

 sis. 



6. S. Nusairieii§i§, Post. (Plantee Postianse, Fasc. V. p. 15). 

 2f .6 to .8, pamious; stems simple, stiff. Leaves obovate-spathulate to 

 spathulate and oblong, entire, rugose. Whorls approximated, cup)- 

 &haped, .008 long and Iroad, forming an interrupted spike ; floral leaves 

 Iroader than long, cordate at base, abruptly and very short-pmnted, all 

 adout half as long as whorls; caljx-teeth one-third to one-fourth as long 

 as tube, a little shorter than yellow corolla — July and August — Be- 

 tween Qal'at-el-Musyaf and El-Btreh (Nusairy Mountains). 



'7. S. pullulaiig, Vent. If .5 to .S, grey-fieecy below, puhescent- 

 viscid, greenish above ; stems stout, ending in an oppositely-branched 

 panicle. Leaves reticulate, crenate-denticulate, spiny-tipped, oblance- 

 olate to lanceolate-oblong. Whorls numerous, .01 to .03 long and 

 broad, sometimes distant, usually approximated ; floral leaves strongly 

 reticulated, membranous, ciliate, puberulent, suborbicular, broader than 

 long, cuspidate, longer than lohorls; calyx-teeth shorter than tube, 

 about as long as corolla — May to September — Dry places ; coast, and 

 hill country of Palestine, east and west of Jordan ; Lebanon. 



§. S. perfoliata, L. If Taranjdn. 1 or more, fleecy or more or less 

 glabrescent, or viscid-hairy ; stems yellowish, slender, simple or panicled, 

 istiff. Leaves coriaceous, yellowish, the lower more or less pannous, ta- 

 pering to a petiole, oblong-spathulate, the stem-leaves sessile, half- 

 clasping, oblong to oblong-lanceolate, denticulate, acute to acuminate. 



