EUPHORBIACE^. (SPURGE FAMILY.) 715 



CYl^OMORIUMr, IVIicheli. Cynomorium. 



Flowers polygamous, mixed on the same spike, bracteolate at 

 base. Staminate Jloioers. Divisions of perigonium 1-5, linear-spathulate ; 

 stamen solitary, posterior, with a cylindrical filament, a biloculur anther, 

 the cells bilocellate ; rudiment of ovary oblong-club-shaped, fitting into 

 a gooove of the filament. Pistillate fiowers. Divisions of perigonium 

 1-5, half superior or superior, linear-club-shaped, adnate to ovary. 

 Ovary sessile or somewhat stalked, ending in a grooved style and obtuse 

 stigma, 1 -celled, the single ovule suspended by a short funicle from the 

 tip of the cell, hemitropous. Perfect flowers. Few, more or less im- 

 perfect, but fertile. Fruit nut-like, pericarp thin, somewhat leathery, 

 connate to testa. Seed nearly globular, embryo lateral, within the 

 albumen. 



C. eoccincuiii, L. 11 Mosrur. Zihh-el-Ard. Scape .1 to .2, 

 terete, .015 thick, clothed with few, deciduous scales, ending in a 

 club-shaped spadix, .02 to .03 thick, and about .1 long. Cymes conflu- 

 ent, covering the surface of the spadix ; primary bracts peltate, at first 

 imbricated, then remote, at length deciduous ; staminate flowers usual- 

 ly sessile in a common receptacle ; pistillate and perfect flowers usually 

 in cymes — April to July — Sands of coast and salt marshes of interior. 

 Conspicuous by its thick, crimson spadix. 



Order XCIV. ErPMOHBIACEiE, Juss. (Spurge Family). 



Plants toith acrid, milhy^or colorless jitice, and usually 

 monmcious or dioecious floicers. Fruit of 2-3 or several, 1-2- 

 seeded pods, united around a central axis, separating elasti- 

 cally lohen ripe (in Buxxis loculicidally dehiscent) — Calyx 

 free, or 0. Petals alternate with calyx-lobes, or 0. Staminate 

 floioers. Stamens inserted in the centre of the flower ; fila- 

 ments free, or more or less connate. Pistillate floioers. Ovary 

 free; stigmas 2-3, often forked. Seeds with more or less 

 leathery testa ; albumen fleshy ; embryo straight ; radicle 

 turned toward hilum. 



* Flowers moncecioiis, both hinds with a minute calyjc or 0, enclosed in a common, cvp-ahaptd in' 



volucre. 



1. EUPHORBIA. 2f (5 Involucre enclosing numerous, staminate flowers, each consist. 



ing of a single stamen, and 1, pistillate flower, consisting of a 3-lobed pistil. 



* * Flowers mon<Bcions, or diacious, the Uoa lands not enclosed in a common involucre. 

 ■j- Flowers monteciaus. 



2. BUXXIS. ^ Stamens 4. Erect shrubs, with leathery, evergreen leaves, ,02 to .03 long. 



Apetalous. 



3. ANDKACHNE. 1( 5 Stamens 5. Prostrate herbs with a woody base, leaves .003 to 



.006 long. Ours with petals. 



4. CROZOPHORA ^ Stamens 5-15. Scurfy with stellate hairs or scales, the staminate 



flowers spiked above the pistillate. Flowers with petals. 



