euphoheiace^. (spuuge J^amily.) 715 



CYXOMORiriWI, Micheli. Ctnomorium. 



Flowers polygamous, mixed on the same spike, bracteolate at 

 base. Staminate Jlowers. Divisionsof perigonium 1-5, linear-spathulate ; 

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

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

 a gooove of the filament. Pistillate flowers. 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. cocciucum, L. 2f Mo^rur. Zihb-cl-ArJ. 8cape .1 to .2, 

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

 club-shaped spadix, .03 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. EIJPHORBIACE^, Juss. (SpurctE FamIly). 



Plants with acrid, milky, or colorless juice, and usually 

 monoecious or dioecious fioioers. Fruit of 2-3 or several, 1-2- 

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

 cally %olien ripe (in Buxus loculicidally dehiscent) — Calyx 

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

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

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

 free; stigmas 2-3, often forked. Seeds w^ith more or less 

 leathery testa ; albumen fleshy ; embryo straight ; radicle 

 turned toward hilum. 



* Floioers monwcious, both kinds with a viinute calyx or 0, enclosed iiia com7iH>n, ciip-shapfd in- 



vulucrc. 



1. EUPHORBIA. If 5 luvolucie enclosing numerous, staminate flowers, each consist. 



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



* * Flowers moncxious.^ or dicccioiis, the two Jdndis not enclosed in a common involncre. 

 t FloKcrs monacious. 



2. JiUXUS, ^ Stamens 4. Erect shrub?-, nitli leathery, evergreen leaves, ,02 to .03 long 



Apetalous. 



3. AXDEACHNE. 1( ^ ^^tamens 5. Trostrate iierl)s with a woody base, leaves .003 to 



.006 long. Ours with petals. 



4. CROZOPKORA ^ Stamens 5-15. Scurfy with stellate hairf or scales, the staminate 



flowers spiked above the pistillate. Flowers with petals. 



