81. HYDROCHARIDACEA,. 303 
Style 1. Stigmas 3, reflexed. Fr. baccate, or dry and flat. 
Embryo minute, quite inclosed in the albumen. 
1. Tamus. Perianth bellshaped, limb 6-parted. Male with 
6 stamens. Fem. with the perigone adhering to the ovary 
and persistent. Stam. very short, abortive. 
1. Tamus Linn. Black Bryony. 
1. T. communis (L.); 1. undivided cordate acute —E. B.91.— 
Dicecious. Root large, thick, fleshy. St. very long, twining. 
Racemes axillary, on long stalks. FI. yellowish-green, regular, 
small. Berry red.—Hedges and thickets. P. V. VI. E. 
Subdivision II. FLORID. 
Leaves parallel-veined, persistent. Floral envelopes 
whorled. 
Order LXXXI. HYDROCHARIDACE, 
Sep. 3, herbaceous. Pet. 3, regular, coloured. Stam. epigy- 
nous. Ovary solitary, inferior; placentas parietal, sometimes 
projecting into the centre of the ovary. Stigmas3—6. Fr. dry, 
or succulent, not bursting, 1- or spuriously many-celled. Seeds 
numerous. Albumen 0, Embryo straight, cylindrical. 
J. Hyprocuaris. Dicecious. Cal. 3-parted. Pet. 3. Male 
with 9—12 stamens in 3 rows surrounding 3 abortive styles. 
Fem. with 3 abortive filaments and 3 fleshy scales surround- 
ing the 6 deeply bifid styles. Caps. 6-celled, many-seeded. 
2. Srratiores. Dicecious. Cal. 3-parted. Pet. 3. Male 
with 12 or more stamens surrounded by numerous abortive 
ones. Fem. with 6 deeply bifid styles. Berry 6-celled, 
many-seeded. 
3. Anacnaris. Dicecious. Cal. 3-parted. Pet.3. “ Male. 
Sep. ovate-oblong. Pet. lmear or none. Stam. 9; filaments 
combined into a column below.” Fem. with a long filiform 
tube, 3 abortive filaments and ligulate stigmas. Caps. 1- 
celled, few-seeded. 
1. Hyprocuaris Linn. Frog-bit. 
1. H. Morsus-rane (L.).—E. B. 808. St. 44.16. R, 112— 
Floating. Creeping. L. stalked, roundish-reniform, entire. Fi. 
white, delicate, springing from a pellucid membranous sheath. 
Seeds covered with beautiful prominent spirally twisted ‘cells.— 
Ponds and ditches. P. VI. VII. EL 
