PL ex. 771071 . 
15. POLYGONS. 38. Acetosa. 277 
8. Acetosa scutata. Shielded sorrel. 
Leaves hear tsh ape, hastate; barbs reflex, diverging; stems 
roundish ; flowers hermaphrodite, valves not cut.* 
Oxalis Franca seu Romana, Ger. an. 397, 4. 
Rumex scutatus, Lin. S. P.481. 
Roman sorrel. French sorrel. Round-leaved sorrel. 
Stony, mountainous places; perennial; June and July : 
also cultivated. 
Stem and leaves glaucous. 
VII. 39. OXYRIA. Hill. Welsh-sorrel. 
Perigonium 4-parted ; 2 inner lobes larger, erect, adnate 
to the seed, not granuliferous at bottom ; 2 outer smaller, 
reflexed ; stamens 6 ; styles 2, distant ; stigmata 2, pencil- 
shape ; thecidium rhomboidal, 2 outer angles winged ; cor - 
culum central, straight; cotyledones linear, incumbent; ra- 
dicle above. — Root perennial; leaves mostly radical, pe- 
tiolate; flowers in bundles, panicled, hermaphrodite. 
Oxyria rotundifolia. Round-leaved Welsh-sorreL 
Leaves orbiculate, retuse or nicked ; valves oval, noi 
toothed. 
Acetosa rotundifolia hortensis, Raii Cat. Cant. 1, 6. 
Lapathum q. Acetosa rotundifolia repens Eboracensis folio in medio 
deliquium patienie Morison, Raii Syn. 143, 14. 
Acetosa Cambro-Britannica montana, Park. 745, 
Rumex digynus, Lin. S. P. 480. 
Acetosa digyna, Miller Diet. 
Lapathum digynum, Lamarck FI. Fr. 3, 6. 
Alpine places ; perennial ; June. 
Stem a foot high, upright, rather naked ; leaves pale 
green, ribbed. 
Fam. XVI. 16. CHENOPODEiE. De Candolle. 
Atriplices , Jussieu. 
Perigonium free, 1 -leafed, deeply divided, persisting, 
rarely tubular at bottom ; aestivation imbricate ; stamens 
inserted at the base of the perigonium, opposite the lobes, 
and as many or fewer than the lobes; ovary 1, free, one- 
seeded ; ovule affixed at the base, upright or inverted ; stifle 
divided, 2 or 4-cut ; stigmata undivided ; utriculus mem- 
branaceous, rarely fleshy ; embryo curved, or spiral, round 
the farinaceous perisperm ; radicle at the hilum, above or 
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