290 
72.. EDPHOHBIACEJS. 
• Order LXXII. EUPHORBIACE^. 
Fl. monoecious. Perianth lobed or 0. Male flowers of 1 or 
more stamens. Anth. 2-celled. Fem. fl. of 1 superior 2 — 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 albumen. Radicle superior.— For 
fig. of genera see G. F. G. Monochl. 36, 40, 41. 
1. Buxus. Fl. monoecious. — Male. Cal. 3-parted. Pet. 2, 
Stam.4:. — Fem. Cal. 4-parted. Pet. 3. Caps, with 3 horns, 
3-celled, 6-seeded. 
2. Euphorbia. Fl. incomplete, collected into monoecious 
heads consisting of 1 female and many male Jlowers. InTO- 
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 bifid. Caps. 3-celled, 
bursting at the back. Seeds solitaiy, pendulous. 
3. Mercueialis. Fl. dioecious or monoecious. Perianth 
3-parted. — Male. Stam. 9 — 16.— Fem. Style short, forked. 
Caps. 2-celled. Cells 1-seeded, bui-sting at the back. 
1. Btjx'us Linn. Box. 
1. B. sempervirens (L.) ; 1. ovate-oblong coriaceous shining 
above, petioles ciliate, anth. ovate-sagittate. — U. B. 1341. — A 
small bushy tree of 10 — 12 feet in height. — Dry chalky hills, 
rare. T. IV.— VI. - E. 
2. EtrpHOEBiA lAnn. Spurge. 
A. Leaves with stipules. Heads axillary. 
1. E. Pep'lis (L.) ; st. procumbent forked, heads solitary, caps, 
keeled, seeds smooth, 1. opposite stalked half-oblong-heartshaped 
nearly entire glabrous. — E. B. 2002. — St. usually much tinged 
with purple, glaucous. luv.-glands rounded. — Loose sand. 
Southern sea-coast. A. VII. — ^IX. E.I. 
B. Stipules wanting. 
* Involucral glands 7-oundish or transversely oval. 
2. E. Helioscdpia (L.); umbel of 5 3-fid and forked rays, bracts 
and 1. membranous obo\ ate-wedgeshaped serrate upwards, caps, 
smooth glabrous, seeds netted rugose. — E. B. 883. — Waste and 
cultivated ground. A. VI. — IX. Sun Spurge. E. S. 1. 
