112 27. LYTHRACEH.—28, TAMARISCACES. 
tion) l-celled, with numerous seeds and a central placenta, 
covered by the calyx. Embryo straight. 
1. Lyturum. Cal. tubular, cylindrical, with 8—12 teeth ; 
4—6 broader, erect; alternate teeth subulate. Pet. 4—6. 
Stam. as many as, or twice the number of the petals. Style 
filiform. Caps. 2-celled, many-seeded. 
2. Peetis. Cal. campanulate with 12 teeth of which 6 are 
broader and erect, 6 subulate. Pet. 6, minute, fugacious. 
Stam. 6. Style very short. Caps. 2-celled, many-seeded. 
1. Lyrurum Linn. 
1. L. Salicaria (L.); 1. lanceolate from a cordate base opposite 
or whorled, fl. im whorled leafy spikes, bracts 0, subulate calyx- 
teeth twice as long as the others, stam. 12—FE. B. 1061.—Upper 
1. usually falling short of the flowers; or (8. verticillatum) so 
large as totally to destroy the spiked appearance of the plant. 
St. 2—4 feet high and 1. nearly glabrous, or (y. canescens) downy 
with crisped hairs. Fl. large, pwrple or crimson.—Ditch-banks 
and damp places. P.VII. VIII. Purple Loosestrife. 
2. L. Hyssopifolia (L.): 1. alternate linear-lanceolate blunt, 
fi. axillary solitary, bracts 2 minute subulate, calyx-teeth all short, 
stam. 6.—E. B. 292.—St. procumbent, spreading, simple or 
branched. Fl. small, light purple. Glabrous.—Damp places 
where water has stagnated, rare. A. VI.—X. E. I. 
2. Peruis Linn. Water Purslane. 
1. P. Portula (L.); 1. opposite obovate stalked, fl. axillary 
solitary sessile —E. B. 1211. St.1.7.—Pet. often wanting. Cal.- 
tube short, vase-shaped, shorter than the capsule. St. 4—6 in. 
long, prostrate, creepmg.—Damp places. A. VII. VIII. 
Order XXVITI. TAMARISCACEA. 
Cal. 4—5-parted, persistent, estivation imbricate. Pet. 4—5, 
withering, from the base of the calyx. Stam. equal to or twice 
as many as the pet., from the margin of a scutelliform disk. 
Caps. 1-celled, 3-valved, many-seeded, loculicidal. Placentas 
often only at the base. Seeds ascending, comose. 
1. Tamarix. Styles 3, patent. Seeds affixed at the base of 
the capsule; coma or down of simple papilliform hairs at 
the apex. 
1. Tamarrx Linn. Tamarisk. 
tl. T. anglica (Webb) ; 1. glabrous rather narrowed at the base 
