387 
Callitriche.] ixxvm. callitkichacea:. 
bractea at the base. Stamens 4, inserted under the rudiment 
of an ovary. — Fertile fl. Perianth as in the barren fl., with 
3 bracteas at the base. Styles 3. Ovary 3-celled, 6-ovuled. 
Caps, with 3 beaks, 3-celled; cells 3-seeded. — Name altered 
from ttvZoq, the Greek name for this tree. 
1. B. sempervirens L. ( common B. ) ; leaves oval-oblong retuse 
convex coriaceous shining, their stalks slightly hairy, anthers 
ovato-sagittate. E. B. t. 1341. 
Dry chalky hills, in the south of England ; rare, b- 4 — 6. — A 
small tree when suffered to attain its natural stature. A dwarf var. 
is extensively employed as edgings in gardens. The wood is of great 
value for turning, carving, and engraving upon. 
Ord. LXXVIII. CALLITRICIIACEiE Lindl. 
Flowers axillary, solitary, very minute, imperfect, monoecious, 
with 2 fistular white bracteas (sometimes wanting in the fertile 
fl.) at the base. Perianth 0. — Barren fl. Stamen 1 or rarely 
2 ; filament filiform, furrowed along the middle ; anther reni- 
form, 1 -celled, opening transversely by 2 valves at the summit. 
— Fertile fl. Ovary solitary, 4-angled, 4-celled, with a solitary 
ovule in each cell suspended from the axis a little above the 
middle. Styles 2, subulate. Stigmas punctiform. Fruit dry, 
4-celled, 4-lobed ; the lobes 1 -seeded, indehiscent, laterally com- 
pressed, cohering at the axis, otherwise free. Seeds attached 
by the middle. Embryo in the axis of fleshy albumen ; radicle 
superior, long; cotyledons short, semiterete. — Small aquatic her- 
baceous plants, with opposite , simple , entire leaves. 
1. Callitriche Linn. Water- Starwort. 
Char, that of the Order. — Name: kciKoc, beautiful , and Spiff, 
rpixoc, hair ; its stems being long and slender, and resembling 
hairs. 
1. C. verna L. (vernal IT.) ; fructiferous peduncles very short 
with 2 falcate bracteas at their base, fruit regularly tetragonal, 
each lobe keeled or slightly winged at the back. — a. lobes of 
the fruit bluntly keeled. C. aquatica Huds. : E. B. t. 722. — fi. 
lobes of the fruit slightly winged at the back. C. platycarpa 
Kutz. : E. B. S. t. 2864. 
Ditches, pools, and slow streams, abundant. ©. 4 — 9. This 
varies much, as do almost all aquatic plants, in its foliage. Upper 
and floating leaves generally oval and stalked, 2-ribbed ; lower ones 
single-ribbed, linear ; rarely all linear ; in muddy places, where the 
water has nearly dried up, there are no submerged or linear leaves, 
all being oval or obovate. Our var. a. is said to have the styles 
