EUPHORBIAOE^. 253 



Stamens generally 3, more rarely 5, or 2, 4, 6, very rarely 7-15-20 

 {Jstcrandra} Pleiostemon^" Oxalisti]lis^ Orbicularia,^ WilUamia^ Chori- 

 sandra^\ central, inserted on rather convex receptacle; filaments free 

 or more or less high l-adelphons, equal or unequal {Kirganelia'^) ; 

 anthers 2-locular extrorse, longitudiaally or horizontally rimose, much 

 varied in form, muticous or apiculate. Glands of disk equal in number 

 to and alternating with the sepals free or unequally or equally 1- 

 adelphous, in female flower sometimes connate in urceolate disk, 

 sometimes, {) [Glochidion^). Germen sessile; cells usually 3, more 

 rarely 2 or 4, very rarely 5-15; style branches equal in number 

 to cells, entii'e or oftener 2-lobulate or 2-fid stigmatiferous at apex. 

 Ovules in each cell 2, collateral, or descendent, more or less com- 

 jiletely anatropous or peritropous, or more rarely suborthotropous 

 subadscendeut ; micropyle extrorse superior. Fruit capsular ; exo- 

 carp sometimes subfleshy or fleshy often soluble ; cocci (usually 

 3) 2-valved, 1, 2-spermous. Seeds smooth verrucose or costulate; 

 external coat thin or more or less fleshy (arillate) ; outer coat 

 more or less thick, often crustaceous ; hilum subbasilar (in seeds 

 suborthotropous) or more or less high impressed, at internal angle 

 small or more or less depressed subregular, or more rarely very 

 unequal, irregular and concave ; micropyle not carunculate ; cotyle- 

 dons of straight or arched copiously albuminous embryo rather wide 

 complanate. — Trees or oftener shi'ubs, imdershi'ubs or herbs ; habit 

 much varied ; branches usually alternate, sometimes 2-morphous ; 

 twigs sometimes cladodiform subaphyllous {^Xijlophjlla^\ oftener 

 when leaves are evolved, simulating a compound pinnfite leaf 

 and frequently (like the leaf) articulate at base, and finally solute from 

 branch ; leaves alternate or rarely opposite, often 2-stichous, some- 

 times reduced to squamules, shortly petiolate or sessile, 2-stipulate, 

 pcnninerved, often unequal at base ; flowers (small, often white or 

 piu-plish-virescent) in axils of leaves or sometimes bracts, solitary or 



1 Kl. in Ericlis. Arch. vii. 200.— H. Bn. Eu- ' Forst. Char. Gen. 113.— A. Juss. Euphorb. 



phorb. 610, t. 27, fig. 5, 6. 18, t. 3.— E.vdl. Gen. n. 5857.— U. Bn. Euphorb. 



■ SoNU. in Liiinaa, xxiii. 135. 636, t. 24, fig. 1-9 ; 27, fig. 12-16. 



3 H. Bn. Euphurb. 628, t. 24, fig. 15-19. » L. Oen. 511.— Sw. Oba. 114, t. 10.— Gjkrtn. 



* H. Bn. Euphtjrb. 616. Fruct. t. 108.— A. Juss. Euphorb. 23, t. 5, fig. 



5 H. Bn. Euphorb. 659, t. 27, fig. 9, 10. 17.— Endl. Gen. n. 5847 a.— U. Bn. Euphorb. 



6 Wight, Icou. t. 1994. 623. — M. Alio. Frodr. 427. — Qenesiphylla hakR. 

 ' A. JusB. Euphorb. 21, t. 4, fig. 14.— II. Bn. Sert. 29, t. 39. 



Euphorb. 612, t. 23, fig. 18-21 ; 24, fig. 26-27. 



