72. EMPETREyE. 73. EUPIIOIUH ACEyE. 
279 
2. Asarum Linn. Asaiabacca. 
1. A. europeBum (L.); 1. irnifonn obtuse binate. — E. R. 108.3. 
St. 2. 7- — St. short, with 2 leaves, between which there is a 
solitary (h’ooj)in» dull green fl. ; segments of the perianth ovate 
and incurved. Filaments e.vtendiug beyond the anthers. Woods 
in the north, rare. P. V. E. S. 
Order LXXII. EMPETRE.E. 
Dioecious. Perianth of hy])ogynous scales imbricated in several 
rows. Stam. equal in number to the inner row and alternate 
with them, free. Ovary free, on a fleshy disk, 3 — 6-celled. 
Ovules solitary, ascending. Style 1 . Stigma radiant. Fr. fleshy 
with bony cells. Embryo in the axis of fleshy albumen. Radicle 
inferior. 
1. Empetrum. Cal. 3-parted. Pet. 3. Stam. 3 in the 
male fl. Style short, stigma dilated peltate with 6 — 9 rays. 
Beriy globose, 1 -celled. Seeds 6 — 9. — G. F. G. Monochl.42. 
1. Empetrum Linn. Crowberry. 
1. E. nigrum (L.) ; procumbent, 1. linear-oblong their margins 
meeting in a white line beneath.— JE. B. 526. — A small procum- 
bent leafy heathlike shrub. Fl. axillary, small, purple. Stigma 
with 9 rays. Berries black. — Mountain heaths. Sh. V. 
Order LXXIII. EUPHORBIACEyE. 
Fl. usually monoecious. Perianth lobed or 0. Male flowers 
of 1 or more stamens. Antb. 2-celled. Fern. fl. of 1 superior 
2 — 3-celled ovary. Styles 2 — 3. Stigma compound or simple. 
Ca))s. opening with elasticity ; cells 2 — 3, wdth 1 or 2 suspended 
seeds in each. Embryo in fleshy albumen. Radicle superior. 
1. Buxus. Fl. monoecious. Male. Cal. 3-parted. Pet. 2. 
Stam. 4. Fern. Cal. 4-parted. Pet. 3. Caps, with 3 horns, 
3-celled, 6-seeded. — G. F. G. Monochl. 41. 
2. Euphorbia. Fl. incomplete, collected into monoecious 
heads consisting of\ female and numerous male flowers. In- 
volucre campanulate, with 5 divisions and 5 alternate glands. 
Males naked consisting of a single stamen upon a pedicel, 
intermixed with scales and siu-rounding the female. Fem. a 
single pistil. Styles 3. Stigmas bifid. Caps. 3-celled, 
bursting at the back. Seeds solitaiy, pendulous. — G. F. G. 
Monochl. 36. 
3. Mercurialis. Fl. dioecious or monoecious. Perianth 
