KUTACE^. (rue family.) 197 



1. DICTAMBfUS, 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. 



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

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

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

 northward. 



2. RUTA, L. Rue. Sadhdb. 



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. Clialepensis, L. Aleppo Rue. Sendeb. Sadhdb. Hharmall. 

 .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. bracteosa, Boiss. Bracts cordate-ovate to ovate-lanceolate, 

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



Riita graveolens, L., the officinal Rue is little cultivated or 

 used in Syria. 



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, tubercle'd — Herbs, 

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

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



* Ooules 4 in each cell. Leaves undivided. Filaments free. 



1. H. sylvaticum, Boiss. If .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 Lobes of ovary horned. 



2, H. fruticulosum, Labill. If .2 to .4, pubescent, woody 

 at base ; stems simple or branched. Leaves 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. 



