45. POLYGON ACE.?:. 



133 



Aftl^' 



Rumex 



short erect 

 the lower 



3 bearing an oblong tubercle, or 

 2 with undeveloped tubercles, 

 netveined and bordered by stiff 

 lanceolate teeth. 



Roadsides and waste places. — 

 Oct. - Dec. — Europe ; western 

 A.sia. 



3. R. cong^lomeratus, 



Murray. Clustrird Dock. Erect 

 perennial, with spreading-ascend- 

 ing branches ; lower leaves 

 oblong - lanceolate, wavy on the 

 edges ; whorls distant, in long, 

 leafy racemes, forming a loose 

 panicle ; fruiting valves oblong- 

 oval, entire, each bearing an 

 ovoid tubercle. 



Eoadsides, gullies, preferring 

 moist places. — Oct. -Dec. — Tem- 

 perate parts of the globe. 



4. R. crispus, L. Curled 

 Dock. Perennial with a stout 

 branches ; leaves minutely waved 

 ones oblong-lanceolate ; whorls 



erect stem and 



on the edges, 



many flowered, close together, leafy only towards the base 



and forming a long dense panicle ; pedicels longer than the 



fruiting valves, which are broad-oval, cordate at base, 



entire, netveined, often only one of the 3 bearing a fully 



developed tubercle. 



Roadsides, waste places. — Nov.- 

 Jan. — Temperate regions of the 

 globe. 



2. Emex, Xecker. 



1. Emex australis, Stein- 

 heil. Glabrous annual, with thick, 

 prostrate or ascending, branch- 

 ing stems; leaves long-stalked, 

 broad-oval, truncate or cordate 

 at base, thin, wavy on the edges, 

 the stipular sheath soon ruptur- 

 ing and disappearing; flowers 

 monoecious, in leafy, axillary 

 false-whorls, the male flowers in 

 a short raceme rising from 

 among the subsessile -female 

 flowers; male perianth of 5-6 

 equal, oblong segments with 4-6 

 stamens, female perianth en- 

 larged and hardened in fruit, 

 with a triangular tube and 6 Emex australis. 



