62 HEXANDRIA.— TRIGYNIA. 



HAB. Rich soil, among rocks. May. %. Aft. high 

 fl. large, dark purp. 



&. album : flowers smaller, petals white. 

 •>. T. pendulum: peduncle inclined; flower pendu- 

 lous ; petals ovate, shortly acuminate, flat, spread- 

 ing, nearly equal to the ovate acuminate calyx : 

 leaves roundish-rhomboid ; acuminate subsessile. 



HAB. Mountains. May. U. A foot high; leav. acute 

 at base ; fl. wh. veined. 

 7. T. grandiflorum : peduncle inclined ; flower some 

 what erect ; petals spathulate-lanceolate, conni- 

 vent at the base, much longer than the calyx ; 

 leaves broadly rhomboid-ovate. 



HAB. Rocky woods. U . May. Stem. 8— 10 m. high ; 

 leav. sess ; fl. large, wh. 



263. RUMEX. Dock. Polygonecs. 



•■ Flowers all perfect ; valves graniferous. lapathum. 



t Valves entire. 



R. aquaticus : valves ovate, entire, all of them 

 graniferous ; leaves lanceolate, all of them cordate 

 at the base. 



HAB. Wet places. June. Root large, astrin. ; stem 

 3 — 4 ft. high; grains linear. §? 

 2. R. crispus : valves very large, cordate, entire, re- 

 ticulate, graniferous ; leaves lanceolate, undulate, 

 acute. 



HAB. Meadows. June. Root yell. ; stem 2—3/'. 

 high ; grains unequal, §. 

 ;. R. sanguineus: valves oblong, small, one of them 

 graniferous ; leaves lanceolate, subcordate. 



HAB. Fields. June. Stem 2— 3ft. high ; leav. mostly 

 varieg. with red, §. 



4. R. Britannica : valves all entire and graniferous ; 



whorls of flowers leafless ; leaves broad-lanceo- 

 late, flat, smooth ; sheaths obsolete. 

 HAB. Wet places. June. Root large, dark ext.,yell. 

 int. ; stem 2—3 ft. high. 



5. R. verticillatus : valves entire, all of them granift- 



