538 GENTIANKJE. (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. B. Aaroiii§, 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 obsoletely puberulent within 

 — December — About Jebel Hartin and Abu 

 Kosheibah. 



2. B. Sinaica, Decaisne, If Branches 

 elongated, slender, obsoletely angled-grooved. 

 Flowers solitary at apex of branches; corolla 

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

 leaves of crown ligulate, acute, much longer 

 than outer — Winter — Sinai. 



Fig. 250. 



Flowering stem 

 of B, Aaronis. 



Ordek LXVIII. OEl^TIAl^EiE, Juss. (Gentian Family). 

 Glabrous herbs , with colorless^ hitter juice ^ opposite a7\d 

 sessile, entire and simple, exstijpulate leaves, regular flowers, 

 %oith the free stamens as many as the lohes of the hypogynous 

 corolla, alternate with them., a 1-celled, of^-ovided ovary, 

 loith 2, parietal placentce, two styles m.ore or less connate, 

 a %valved, septicidal, a^-seeded 2?od, and albuminous seed 

 with straight embryo — 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 

 placentas appear central. 



* Capsule 1-celled. 



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



* * Capsule more or less '2-celled from bending in ofviargins. 



2, ERYTHRiEA. Flowers S-merous, pink, white or yellow. 



1. CHLORA, L. Chlora. 



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 2, 

 septicidal valves, more or less iutroflexed 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 hase lyy their ichole 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. 



