384 RUBIACE^. (MADDER FAMILY.) 



3. O. PestalozzaB, Boiss. ^ .1 to .25, glabrous, tufted ; 

 stems filiform, tender, erect. Leaves in sixes, membranous, lenticular, 

 jiearly trarislucent. Inflorescence trichotomous, corymbose ; pedicels 

 capillary, a little longer than flower ; corolla-lobes oblong, acutish^ 

 muticous ; anthers jr^iw/t ; ivxAt glabrous — May and June — Subalpine 

 Lebanon. 



4. O. Elireiibergii, Boiss. 2i! .15 to .25, tufted, veUety-hispid^ 

 drying blackish ; stems numerous, erect, tender, hrittle. Leaves in 

 sixes, linear-lanceolate, mucronate. Peduncles filiform, 1-3-flowered, 

 pedicels slender, much longer than flowers ; lobes of corolla oblong, 

 obtuse^ not mucronate ; anthers yellow ; fruit somewhat granular — Sum- 

 mer — Natural Bridge, (Afqa). 



5. O. Tolosianum, Boiss. et Ky. % .05 to .08, tufted, 

 glahvus, drying blackish ; stems decumbent-ascending, filiform, tan- 

 gled, densely leafy. Leaves in fows and Jives, small, thickish, glossy, 

 ovate or oMong-sj^athulate, obtuse, not mucronate, tapering at base. 

 Peduncles terminal, long-exserted, dichotomously 3-7-flowered ; bracts 

 small, elliptical, acute ; pedicels scarcely longer than flowers ; lobes 

 of corolla lanceolate, obtusely acuminate ; anthers pale ; fruit smooth — 

 June — Amanus. 



6. O. erectum, Huds. If .2, glabrous, erect, more robust than 

 the last three. Leaves in eights, oblong to linear, somewhat dilated at 

 apex, acutish. Panicle narrow, with somewhat spreading branches ; 

 pedicels longer than flowers ; lobes of milk-colored corolla apiculate ; 

 fruit scarcely lorinhled — June — Amanus. 



7. O. Orientale, Boiss. 2f .15 to .3, tufted, velvet- Fiq. 207. 

 y-hisjyid, glabrescent, or glabrous. Leaves in sixes, 

 croicded, linear, acute, with or without mucro, icith revolute 

 margins, and prominent nerve. Cymes in upper axils, 3-7- 

 flowered ; with peduncle often longer than \Q2iYes, forming 

 « thrysoid panicle ; pedicels about as long as flowers ; lobes 

 of corolla lanceolate, somewhat hooded at apex, with or 

 without mucro ; anthers turning blackish ; fruit usually 

 smooth — Summer — Alpine and subalpine Lebanon, 

 Antilebanon, Amanus, Akherdagh, and northward. 



Var. tenerum, Boiss. .15 to .3 glah^ous, tender. 

 Leaves scattered, somewhat falcate — Lebanon; Amanus. 



Yar. alpiiium, Boiss. .1 to .15, herbaceous or shrubby at base, 

 sometimes canescent. Corolla and fruit sometimes velvety — Lebanon ; 

 Cassius ; Amanus ; Akherdagh. 



Var. elatius, Boiss. .2 to .4, shrubby at base, stiffer, leaves 

 stifler, less crowded, more mucronate, canescent to glabrescent — 

 Amanus to Akherdagh and Aintab, and northward. 



Var. latifolia, Boiss. Resembling var. alpinum, but with 

 broader leaves — Antilebanon ; Nazareth. 



Var. hirtum, Post. .1 to .16, velvety-hirsute. Leaves short. 

 Inflorescence compact — Top of Mt. Cassius. (G. incanum, S. & S.) 



%. O. Ciiicicum, Boiss. % .03 to .06, tufted, stems procum- 

 bent, slender, leafy, puberulent. Leaves in sixes, generally minutely 

 hirsute, awl-shaped, mucronate, with prominent nerve beneath. 



