BUTACEJS. (rue FAMILY.) 195' 



1. DICTAMXUS, L. DiCTAMNUs. 

 Calyx deciduous, 5-parted. Petals 5, clawed, the upper 4 ascend- 

 ing, the lower declined. Filaments 10, declined, glandular, the an- 

 thers nearly globular. Capsule short-stipitate, carpels 5, beaked, 2-3- 

 seeded. Seeds with thin, white, shining shell ; cotyledons fleshy ; rad- 

 icle minute. 



D. fraxinella, Pers. 21 .5 to 1. Leaflets 5-8 pairs, oblong, ser- 

 rulate, .04 to ,08 long, racbis margined. Petals purple, elliptical-oblong, 

 gradually tapering into a claw — Early summer — Woods ; Cassius and 

 northward. 



2. RUTA, L. Rue. SadMb. 



Calyx 4-parted. Petals 4, hooded, dentate or fringed, rarely entire. 

 Stamens 8. Ovary sessile, 4-lobed ; cells 6-8-ovuled. Cells of capsule 

 splitting inwardly at apex — Strong-scented herbs with an indurated 

 base, pinnate leaves, corymbose inflorescence, and bracted, yellow 

 flowers. 



R. €Iialepen§is, L. Aleppo Rue. Sendeb. Sadhdh. Rharmall. 

 .5 to .6. Leaves oblong in outline, bipinnati partite into oblanceolate 

 or obovate leaflets. Bracts lanceolate; calyx-lobes triangular, acute ; 

 petals deeply fringed, abruptly clawed ; capsules acutely lobed — 

 April to August — 



Var. braeteosa, Boiss. Bracts cordate-ovate to ovate-lanceolate^ 

 broader than peduncles — Coast and coast range to 1000 m. 



Ruta ^raveolens, L., the ofiicinal Rue is little cultivated or 

 used in Syria. 



3. HAPI.OPHYL.L.U1I, Juss. Haplophjllum. 



Calyx 5-parted. Petals 5, hooded, entire. Stamens 10, the filaments 

 dilated at base, free or somewhat monadelphous. Ovary 5-lobed, 

 depressed. Ovules 2 in each cell (in ours) side by side, or 4, Stigma 

 capitate. Capsule glandular, 5-celled, splitting inwardly at apex, 

 rarely indehiscent. Seeds transversely wrinkled, tubercled — Herbs, 

 usually with a woody root and trunk, erect or divaricate stems, simple 

 or 3-parted leaves, and corymbose, bracted inflorescence, 



* Ovules 4 ill each cell. Leaves undivided. Filaments free. 



1. H, sylTaticuin, Boiss, 2^ .3 to ,4, glabrous ; stems simple. 

 Leaves stiff, sessile, tapering at base, oblong-lanceolate, acute. Corymb 

 dense, sometimes puberulent ; pedicels very short ; calyx-lobes gla- 

 brous, minute, triangular, acute ; stamens one-third shorter than 

 corolla ; excrescences of glabrous ovary shorter than cell — Summer — 

 Woods ; Mt. Cassius. 



* * Ovules 2 in each cell. 

 t Lohes of ovary horned. 



2, H. fVutlculosum, Labill. % ,2 to .4, pubescent, woody 

 at base ; stems simple or branched. J^eaves simple^ sessile, leathery, 

 the lowest minute, ovate, the others oblong-lanceolate to linear, acute, 

 .005 to ,01 long. Corymbs dense ; pedicels shorter than flowers ; ovary 

 white-villous, horns incurved — Spring — Palmyra to Damascus, and 

 Antilebanon and northward. 



