198 RUTACEiE. (rue FAMILY.) 



+ t Lobes of ovary not horned or appendaged. 

 X Plants more or less glandular-dotted. 



3. H. Tillo§tiluiii, Boiss. et Haussk. 2^ .3, crisp-puberulent ; 

 stems slender, forked- corymbose. The lowest leaves simple, the others 

 trisect into plicate, linear lobes, the upper gradually narrower and 

 shorter. Pedicels longer than calyx ; calyx lobes ciliate ; petals ellip- 

 tico-linear — May and June — Vineyards around Aintab. 



4. H, Blanche!, Boiss. % .2 to .3, green, slightly puberulent, 

 beset with small, black glands ; stems slender, corymbose, the corym- 

 bules head-like. Leaves undivided, linear, with convolute margins, 

 puberulent below. Flowers subsessile ; calyx-lobes ciliate ; petals ob- 

 long, obtuse, reddish — El- Jebel-el-Abiadh (Hamath to Palmyra). 



5. H, Buxbaumii, Poir, 2^. .3 to .5, yellowish green, appres- 

 sed-puberulent ; stems widely corymbose-branched above. Leaves 

 tapering into a petiole, obovate to spathulate and oblanceolate, often 

 .04 long, all undivided, or the upper unequally parted into 2-3 linear- 

 lanceolate segments. Corymb usually leafy ; calyx yellow, glabrous 

 or sparingly bearded ; petals oblong, tapering at base, yellow — Spring 

 and summer — Fields ; common throughout. 



Var. stenopliylluiii, Boiss. Most of the leaves trisect into 

 linear-spathulate divisions. 



Var. coryinbulo§iiiii, Boiss. Leaves mostly undivided, nar- 

 row. Corymb small. Flowers half as large as in type — Around up- 

 per end of Dead Sea. 



X X Plants tubercled loith prominent or cup-shaped glands. 



6. H. tuberculatum, Forsk. If Mugennineh. Gergig. Derrd- 

 tah. Shagaret-er-Rihh. Bihheh. .3 to .4 crisp-pubescent or glabrescent ; 

 stems ascending, much forked. Lower leaves and those of sterile branches 

 obovate or oblong -spathulate, tapering into a petiole, the upper spathulate 

 linear, obtuse, all from .005 to .012 long, more or less crenate, wavy- 

 margined. Flowers scattered, subsessile, in forked cymes ; calyx gla- 

 brous ; petals oblong, obtuse — Summer — Fields ; El-Ghor andEt-Tih 

 to Sinai and Egypt. 



7. H. longifolium, Boiss. %. .3 to. 5, green, viscid, glabrous ; 

 stems numerous, stifl. Leaves often .04 long narrowly linear, sessile, 

 margin wavy and convolute.. Corymbs minute, dense ; flowers sessile ; 

 calyx glabrous ; petals somewhat clawed, oblong, rather obtuse — Hot 

 rocks ; ravines about Dead Sea. 



4. TETRADICLIS, Stev. Tetradiclis. 



Calyx 5-parted, persistent. Petals 4, short clawed, persistent. 

 Disk inconspicuous. Stamens 4, with awl-shaped, persistent filaments. 

 Ovary 4-angled, 4-celled, depressed at centre. Placentae free, filiform, 

 suspended from angle, ascending. Capsule 4-angled, valves grooved, 

 loculicidal ; cells divided into 3 compartments by partitions from the 

 endocarp, the lateral 1-seeded, the middle with 4 seeds or less ; seeds 

 minute, oblong, with thin testa, little albumen and straight embryo 

 — Small, fleshy herbs with aspect of Peplis. 





