(274) 



1. H. TENELLA ToiT. — Sail Fraiicisco. San- 

 celito. Spring. 



Small stinging herb. 



Family 3. POLYGONACE^. 



Perigonium imbricate in aestivation. Stamens 

 definite, inserted on the base of the perigon- 

 ium. Ovary superior, originally compound of 



2 or 3 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 Piperacew. 

 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. K. SALiciFOLius Weinm. Calyx valves 

 entire or denticulate, bearing large callosities; 

 leaves linear to lanceolate, not undulate, atten- 

 uate into a short petiole. — It. Common. 

 Spring. 



2. R. CRISPUS L. Calyx-valves entire, bear- 

 ing callosities; leaves lanceolate, undulate, 

 truncate at base. — 21. Common. Spring. 



