314 - 72. ETTPHOKBIACBiE. 



Order LXXII. EUPHOEBIACE^. 



Fl. monoecioiis or dioecious. Perianth lobed or 0. Male 

 flowers of 1 or more stamens. Anth. 2-celled. Fem. fl. of 1 

 superiors — S-lobedand2 — 3-celled ovary. Styles 2 — 3. Stigma 

 compound or simple. Caps, opening with elasticity ; cells 2—3, 

 ■with 1 or 2 suspended seeds in each. Embryo in fleshy albu- 

 men. Radicle superior. — Stip. often present, but very de- 

 ciduous. 



1. Buxus. Fl. moncecious. — Male. Cal. 3-parted. Pet. 2. 

 Stam. 4. — Pern. Cal. 4-parted. Pet. 3. Caps, with 3 horns, 

 3-celled, 6-seeded. 



2. EupHOEBiA. Fl. incomplete, collected into monoecious 

 clusters consisting of 1 female and many male flowers. Invo- 

 lucre bellshaped with 4 or 5 divisions and 4 or 5 alternate 

 glands. — Males consisting of a single stamen upon a pedicel, 

 intermixed with scales and surrounding the female. Fem. 

 of a single pistil. Styles 3. Stigmas bifld. Caps. 3-celled, 

 bursting at the back. Seeds solitary, pendulous. 



3. Mbecueialis. Fl. diceiious or monoeious. Perianth 

 3-parted. — Male. Stam. 9 — 16. — Fem. Two barren fila- 

 ments. Style short, forked. Caps, ^-celled. Cells 1-aeeded, 

 bursting at the back. 



1. Btjx'tjs Linn. Box. 



1. B. sempervirens (L.) ; 1. ovate-oblong coriaceous shining 

 above, petioles ciliate, anth. ovate-sagittate. — B. B. 1341. — A. 

 small bushy tree 10 — 12 feet in height. — Dry chalky hiUs 

 especially in Surrey and Kent, rare. T. IV. — VI. E. 



2. Euphoe'bia Linn. Spurge. 

 A. Leaves with stipules, opposite. Clusters axillary. 



1. JE. Pep'lisQu.); st. procumbent forked, heads solitary, caps, 

 keeled, seeds smooth, 1. opposite stalked half-oblong-heartshaped 

 nearly entire glabrous. — I!. B. 2002. — St. usually much tinged 

 with purple, glaucous. Inv.-glands rounded. — Loose sand. 

 Southern sea-coast, rare. A, VII. — IX. E. I. 



B. Stipules wanting. L. scattered (except in E. Lathyris). 

 * Involvcral lobes roundish or transversely oval. 



2. E, Helioscdpia (L.) ; umbel of 6 trifldand forked rays, bracts 

 and 1. membranous ovate-wedgeshftped serrate upwards, caps. 



