260 POLYGONE^; — EL-ffiAGNEiE — THYMELEiE. 
striated with minute points. — E. B. 941. — St. climbing or pro- 
strate, much shorter than in the next species. The perianth is 
sometimes winged, when the plant is often taken for P. dumeto- 
rum. — Cultivated and waste land. A. VII. VIII. 
14. P. dumetorum (L.) ; st. twining striated, 1. triangular- 
cordate, segments of perianth winged, nut triquetrous very smooth 
and shining. — E. B. S. 2811. — St. climbing to the height of 
4 or 5 feet. — Thickets in the south. A. VII. E. 
4. Fagopyrum Gaert. 
*1. F. esculentum (Moench) ; st. erect without prickles, fl. in 
cymose panicles, stam. 8, I. cordate-sagittate acute, nut trique- 
trous acute with entire angles. — E. B. 1044. Polygonum Fago- 
pyrum Sm. — Naturalized in many places, being often sown as food 
for game. A. VII. VIII. Buck-wheat. E. S. 
Order LXVIII. ELTEAGNEiE. 
Mostly dioecious. Perianth tubular ; limb 2 — 4-toothed, in 
male fl. 4-parted. Stam. 3 or more, inserted on the throat. 
Anth. 2-celled, nearly sessile, bursting on the inner side longi- 
tudinally. Ovary free, 1 -celled, with 1 erect ovule. Fr. crus- 
taceous, inclosed within the fleshy perigone. Albumen thin and 
fleshy. Radicle inferior. 
1. Hippophae. Dioecious. Fl. with ovate scaly bracts. 
Male. Perianth of 2 leaves adhering by their points. 
Stam. 4 with very short filaments. Female. Perigone tu- 
bular, cloven at the summit. Style short. Stigma elon- 
gate. Nut 1-seeded, clothed with the large coloured berry- 
like perigone. 
I, Hippophae Linn. 
1. H. rhamnoides (L.). The only species. — E. B. 425. — A 
thorny shrub with linear-lanceolate silvery leaves. Fl. appearing 
with the young leaves. Fr. orange. Height 4 — 6 feet. — Sandy 
spots and cliffs of the south-east and east coasts. Sh. V. Sea 
Buckthorn. E. 
Order LXIX. THYMELE^. 
Perianth tubular, inferior, often coloured, limb 4- rarely 
5-cleft. Stam. definite, in the orifice of the tube. Anth. 2-celled, 
bursting longitudinally. Ovary free, 1 -celled, with 1 pendulous 
ovule. Fr. a nut or drupe. Albumen 0 or thin and fleshy. 
Radicle superior. 
1. Daphne. Perianth 4-fid, deciduous. Berry fleshy, 1-seeded. 
