73. CERATOPHYLLACES. 283 
441.—Glaucous, smooth. Scarcely a foot high. L. spreading. 
Seed-stalk conical, hooded.—Sea-coast. P. VIX 
12. E. Peplus (L.); umbel trifid then forked, bracts ovate 
blunt mucronate, 1. broadly ovate stalked, lower 1. suborbicular, 
invol.-glands 4 lunate with long horns, caps. smooth with thick- 
ened rough keels, seeds oval pitted. _E. B. 959.—Light green, 
smooth, erect, 6—10 in. high—A common weed. A. VII. VIII. 
Petty Spurge. 
13. E. eaigua (L.) ; umbel trifid then forked, bracts lanceolate 
acute unequal below, /. linear blunt with a mucro or acute, invol.- 
glands rounded with 2 horns, caps. smooth with slightly thick- 
ened and tubercled angles, seeds angular wrinkled.—E. B. 1336. 
—Height 3—6 in., usually branched at the base. Seeds small, 
white.—Corn-fields. A. VI.—VIII. 
Ttttt Seeds rough. Leaves opposite. 
14. E. Lathyris (L.); umbel 3—4-fid then 2-fid, bracts ob- 
long-ovate attenuated acute, |. linear-oblong sessile, upper 1. cor- 
date at the base, glands of the mvolucre lunate with blunt horns, 
caps. smooth with a dorsal line.—E. B. 2255.—St. solitary, 2—3 
feet high, purplish. L. numerous, in 4 rows.—Truly wild in a 
few stony and rocky woods, where it appears for 2 or 3 years after 
the bushes have been cut. Also naturalized on cultivated ground. 
B. VI. VII. Caper Spurge. E. 8. 
3. Mercuriatis Linn. Mercury. 
1. M. perennis (L.); st. simple, 1. stalked oblong-lanceolate 
rough, female fl. on long common stalks, root creepng.—FE. B. 
1872.—St. a foot high, usually naked below. All the fl. in lax 
spikes.—8. M. ovata (Steud.); 1. nearly sessile ovate.— Woods 
and thickets. 8. Hurstpierpoint, Suss. Mr. Mitten. P.IV.V. 
2. M. annua (L.); st. branched, 1. stalked ovate or ovate-ob- 
long smooth, female fl. nearly sessile, root fibrous.—E. B. 559. 
St. 29.16.—Height 6—12 in. Bright green. Much branched. 
—B. M. ambigua(L.); 1. lanceolate, fl. whorled male and female 
intermixed. HE. B. 8. 2816.—Waste and cultivated land. £. Jer- 
sey. Isle of Wight. Dr. Bromfield. A. VIII. IX. 
Order LXXTIT. CERATOPHYLLACEZ. 
Fl. moneecious. Perianth free, in many divisions. Anth. 12 
—20, sessile, 2-celled, 2-pointed; cells again partially divided.— 
Perigone none. Ovary, l-celled. Seed 1, pendulous. Embryo 
straight ; cotyledons 4, alternately smaller.—Only one genus. 
