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1. H. vevetza Torr.—San Francisco. Sau- 
celito. Spring. 
Small stinging herb. 
Family 3. POLYGONACEZ. 
Perigonium imbricate in estivation. Stamens 
definite, inserted on the base of the perigon- 
ium. Ovary superior, originally compound of 
2 or 8 carpidia; by abortion 1-celled, 1-ovulate; 
but showing the 2 or 3 styles of the original 
carpidia. Ovule basilar. Fruit indehiscent. 
Stems articulate. Leaves alternate, sheathing. 
[ Affinities of this family not yet settled. The 
articulate stem approaches it to the Piperacee, 
the basilar ovule to the Chenopodiacece. | 
1. Rumex L. Dock. SHEEP-SORREL. 
Perigonium 6-sepalous, 2-seriate; 3 inner 
segments larger and more petaloid. Stamens 
6, in pairs opposite the outer sepals. Styles 
3 with penicillate stigmas. Fruit a 3-cornered 
akene inclosed in the 3 inner sepals, forming 
a spurious capsule. Flowers racemose. 
1. R. saticirotivs Weinm. Calyx valves 
entire or denticulate, bearing large callosities; 
leaves linear to lanceolate, not undulate, atten- 
uate into a short petiole—2. Common. 
Spring. 
2. R.crispus L. Calyx-valves entire, bear- 
ing callosities; leaves lanceolate, undulate, 
truncate at base.—2£. Common. Spring.’ 
