ROSACEA LYTIIRAR1E/E. 
103 
7. P. torminulis (Sm.) ; /. ovate or cordate lobed glabrous : 
lobes triangular acute serrated the lower ones larger and spread- 
ing, fl. corymbose. — E. B. 29S. — Fr. oval, brown. — Woods and 
hedges chiefly in the south. T. IV. V. Wild Service tree. E. 
Order XXVIII. LYTHRARIEiE. 
Cal. tubular, lobed : lobes valvate or distant in aestivation, 
sometimes with intermediate teeth. Pet. between the lobes of 
the calyx, very deciduous. Stam. inserted in the tube of the cal. 
below the pet. and equalling them or 2, 3 or 4 times as many. 
Ovary free, 2 — 4-celled, with numerous seeds and a central pla- 
centa surrounded by the calyx. Caps, membranaceous, usually 
(by abortion) 1 -celled. Embryo straight. 
1. Lythrum. Cal. tubular, cylindrical, with S — 12 teeth; 
4 — G broader, erect ; alternate teeth subulate, opposite to 
the petals. Pet. 4 — 6. Stam. inserted at the middle or 
base of the calyx, as many as, or twice the number of the 
petals. Style filiform. Caps. 2-celled, many-seeded. 
2. Peplis. Cal. campanulate with 12 teeth of which 6 are 
broader and erect, the others subulate. Pet. 6, minute, 
fugaceous. Stam. 6, opposite to the broader teeth of the 
calyx. Style very short. Caps. 2-celled, many-seeded. 
1. Lythrum Linn. 
1. L. Salicaria (L.) ; I. lanceolate from a cordate base opposite 
or whorled, fl. in whorled leafy spikes, bracts 0, subulate calyx- 
teeth twice as long as the others, stam. 12. — E. B. 1061. — 
Whorls of fl. in a more or less leafy spike, upper 1. usually very 
small, shorter than the flowers ; but sometimes Q3. verticillatum) 
so large as totally to destroy the spiked appearance and give 
quite a different aspect to the plant. St. 2 — 4 feet high and 
1. nearly glabrous, or (y. canescens) downy with crisped hairs. 
Fl. large, purple or crimson. — Ditch-banks and damp places. 
P. VII. VIII. Purple Loosestrife. 
2. L. Hyssopifolia (L.) ; I. alternate linear-lanceolate blunt, 
fl. axillary 7 solitary, bracts 2 minute subulate, calyx-teeth all short, 
stam. 6. — E. B. 292. — St. procumbent, spreading, simple or 
branched. Fl. small, light purple. Whole plant glabrous. — Damp 
places where water has stagnated, rare. A. VI. — X. E. I. 
2. Peplis Linn. 
1. P. Portula (L.) ; 1. opposite obovate stalked, fl. axillary 
solitary sessile. — E. B. 1211. St. 1. 7- — Pet. often wanting. St. 
4 — 6 in. long, prostrate, creeping. — Damp places. A. VII. VIII. 
Water Purslane. 
