218 POLYANDRIA.— DI-PENTAGYNIA. 



HAB. In water. June — July. U . Lcav. upright 

 or floating; fl. large, depress., yellow. 

 2. N. Kalmiana : calyx 5-leaved ; stigmas incised, 8 — 

 12-rayed ; leaves cordate, with approximate lobes ; 

 petioles roundish. 

 HAB. In water. July — Aug. ty . Leav. and fl. 

 small; cat. equal. 



348. NYMPHiEA. Water-lily. Nymphazacece. 



N. odorata: leaves orbicular-cordate, entire ; nerves 

 and veins prominent ; calyx 4-leaved, equal to the 

 petals; stigma 16 — 20-rayed ; rays inflexed. 



HAB. In water. June — July. \ . Leav. float. : 

 fl. large, wh., odorous. 



DI-PENTAGYNIA. 



349. DELPHINIUM. Larkspur. Ranunculacea:. 



1. D. exaltalum : petioles not dilated at the base: 



leaves flat, 3-cleft below the middle ; lobes cunei- 

 form, 3-cIeft at the apex, acuminate ; lateral one? 

 often 2-lobed ; raceme straight ; spur longer than 

 the calyx ; capsules 3. 

 HAB. Rocky woods. July U. Stem 2—4 //. 

 high ; fl. bine ; spur straight. 



2. D. azureum: petioles slightly dilated at the base; 



leaves 3— 5-parted, many-cleft; lobes linear ; ra- 

 ceme straight ; petals densely bearded ; flowers on 

 short pedicels. 

 HAB. Woods. May. U- Stem 2 ft. high ; fli 

 large, light blue. 



350. ACONITUM. Wolf's-bane. Ranuncularev. 

 A. uncinatum : panicle rather loose, with diverging 



branches ; galea conical ; spur inclined, somewhat 

 spiral; styles 3 — 5; leaves 3-lobed ; lobes equal. 

 HAB. Mountain swamps. Sept. U. Fl. large, 

 blue. 



351. AQUILEGIA. Columbine. Ranunculacea;. 

 A. canadensis : spurs straight ; styles and stamens 

 exserted; calyx rather acute, longer than the pc- 



