168 TAMAKISCINE^. (TAMARISK FAMILY.) 



rather dense ; bracts sheathing, acute, shorter than nearly sessile flow- 

 ers ; petals linear-oblong ; filaments filiform, inserted into the deeper 

 notches of the 10-lobed disk ; styles 3, obovate, nearly half as long as 

 ovary — Summer — A'yun Musa, and elsewhere along the western 

 borders of the Tih. 



1 1 Stamens {in ours) 10, twice as many as sepals and petals. 



9. T. macroeappa, Buuge 5 3 to 5, green or glaucescent. 

 glabrous. Leaves pitted, nearly clasping, cordate. Racemes .05 to .1 

 long, loose ; bracts about as long as pedicels ; petals ovate-elliptical ; 

 lobes of disk 10, tapering into the filaments of the 10 stamens ; anthers 

 apiculate ; styles short ; capsules .01 long — March — Ain-Hhauwara, 

 western border of et-Tih, and westward. 



2. RSlAirilURTA. L. Reaumuria. MelldJih. 



Calyx 5-lobed or parted, many-bracted at base. Petals 5, equal 

 or unequal, with a longitudinal, fringed, adnate scale on both sides 

 of base. Stamens oo , connate at base, in 5 groups opposite the petals, 

 inserted into a fleshy ring surrounding the base of the ovary. Ovary 

 globular-pentagonal. Styles 5, filiform. Placentae septiform, 4-10- 

 ovuled, erect, fixed at base and apex, otherwise free. Capsule carti- 

 laginous, with 5, persistent, at length deflexed valves. Seeds few. 

 fleshy — Glaucous, much branched shrubs or small trees, with coria- 

 ceous or fleshy, dotted leaves. 



* Leaves sessile. Lobes of calyx not lieart-sliapjed at base. 



1. R. Mrtella, Jaub. et Spach. 5 -^ to .4, hirtellous; branches 

 erect. Leaves half -terete, oblong-linear, from a subcordate base, ob- 

 tuse, those of the axillary twigs much crowded. Bracts dense., shorter 

 tlian calyx, erect, oblong ; lobes of calyx oblong, loitli an obtuse trian- 

 gular tip ; petals somewhat oblique, a little longer than calyx ; dilated 

 part of filaments erenate-dentate — March to July — Sands ; Sinai, and 

 westward. 



2. R. Pal%§tma, Boiss. 5 -^ to .4, puberulent, irregularly 

 racemose-paniculate. Leaves half -terete, linear, retuse at base, the 

 axillary clustered, short. Bracts linear, loose, longer than calyx, spread- 

 ing^'ecurted ; calyx lobes triangular-lanceolate, acuminate, obtuse ; 

 petals elliptical, somewhat oblique, once and a half as long as calyx ; 

 dilated part of filaments not dentate — March to June — Clayey soil in 

 hot valleys around the Dead Sea, and southward to Sinai. 



* * Leanes tapering at base, flat. Calyx lobes subcordate at base. 



3. R. Billardiefi, Jaub. et Spach. 5 Griabrous ; branches 

 panicled. Leaves ovate, acute, nxme in axils, those of flowering branches 

 linear, short. Bracts acute, longer than calyx, spreading ; lobes of 

 calyx spreading, ovate-deltoid, acuminate ; petals obcordate, the alter- 

 nate lobes obsolete ; dilated part of filaments erenate-dentate — Sum- 

 mer — Syrian desert. 



Order XIX. EL.ATI]VE^. Cambbss. (Water- Wort Family). 



Little, glahrous.^ marsh annuals, vntli opposite, dotless 

 leaves, nfiembranous stipules, and minute, axillary flowers — 



