538 



GENTIANEiE. (GENTIAN FAMILY.) 



double, the inner row surrounding gynostegium, its lobes incumbent 

 on anthers, and touching stigma, the outer row with subulate, horned, 

 divergent lobes. Pollen-masses erect. Stigma muticous. Follicles 

 unarmed, tapering at apex — Fleshy, leafless herbs, with tetragonal 

 branches, dentate at angles, with aspect of Stapelia. 



1. JS. Aaronis, Hart. 5 -08 to .15, pale 

 brownish-yellow; stems erect, sparingly branched, 

 remotely tubercled, dentate. Flowers livid- 

 purple; clustered at apex of branches; corolla 

 mottled, .013 broad, with 5, ovate-triangular 

 lobes, glabrous or obsoietely puberulent within 

 — December — About Jebel Haruu and Abu 

 Kosheibah. 



2. B. ISinaica, Decaisne, 2^ Branches 

 elongated, slender, obsoietely angled-grooved. 

 Flowers solitary at apex of branches; corolla 

 small, 5-fid, lobes subdeltoid, hairy within; inner 

 leaves of crown ligulate, acute, much longer 



Fig. 250. 



than outer — Winter — Sinai. 



Flowering stem 

 of B. Aaronis. 



Order LXVIII. CJE^'TIA^^EJS, Juss. (Gentian Family). 

 Gldbroiis lierhs^ with colorless^ hitter juice ^ opposite and 

 sessile, entire and simple, exstipulate leaves, regidar flowers, 

 with the free stamens as many as the loles of the hypogynous 

 corolla, alternate with them, a 1-celled, ■o:)-ovuled ovary, 

 with 2, 'parietal jplacentm, tioo styles more or less connate, 

 a %valved, septic I dal, oz-seeded p)od-, and albuminous seed 

 with straight erribryo — Calyx-lobes 4-8. Corolla-lobes 4-8^ 

 twisted in bud, persistent. Capsule 1-celled, with margins 

 of valves seed-bearing, or falsely 2-celled from bending in of 

 margins of valves so as to form a septum, in which case the 

 placentae appear central. 



* Capsule 1-celled. 



1. CHLORA. Flowers 6-8-merous, yellow. 



* * Capsule more or less ^celled from bending in of margins. 



2. ERYTHEMA. Flowers 5-merous, pink, white or yellow. 



I, CHLORA, L. Chloea. 



Calyx 8-6-parted. Corolla salver-shaped, marcescent, with short, 

 inflated tube, and 8-6-parted limb. Stamens 8-6, inserted on throat. 

 Style filiform, caducous; stigma 2-parted. Capsule 1 celled, with 3, 

 septicidal valves, more or less intrcflexed and adnate at margins — An- 

 nual, yellow flowered, glaucous herbs, with corymbose inflorescence. 



1, C. perfoliata, W. 0.3 to .7. Stem-leaves triangular-ovate, 

 connate at iasehy their whole breadth. Calyx parted to base, with 8, 

 subulate, 1-nerved lobes, shorter than corolla; corolla lobes obtuse — 

 April to September — Wet places ; coast and lower and middle regions 

 of Lebanon. 



