188 SUMMER f-LOWERS. 



dark blue, on erect stalks ; spur of the small upper petals short, 

 conical, and more or less bent downwards ; carpels three. — 

 Wolf's-bane. — Moist pastures. Fl. June, July. 



(9) PsBonia. P^ony. 

 P. eorallina : stem 1-2 feet high ; leaves twice ternate, the 

 segments ovate, entire, or divided into two or three deep lobes ; 

 flowers deep red ; carpels large, thick, downy, and when ripe, 

 more or less recurved. — Naturalized in the rocky clefts of the 

 Steep Holme Island, in the Severn. Fl. May, June. 



(10) Nymphaea. Water Lily. 

 N. alba : leaves deeply cordate, glabrous. 6-8 inches in dia- 

 meter ; flowers lying on the surface of the water, white, scent- 

 less, 3-4 inches in diameter. — Lakes and slow rivers. Fl. 

 July. 



(11) Nuphar. Yellow Water Lily. 



!N". lutea : leaves oblong- cordate ; flowers yellow, raised two 

 or three inches above the water, faintly scented, the concave 

 sepals assuming a somewhat globular form ; petals and stamens 

 very numerous, scarcely more than half the length of the se- 

 pals. — Rivers and pools. Fl. July. 



Var. pumila : plant smaller, flowers with a more indented 

 stigmatic disk. — Lakes of the north of Scotland. 



(12) Papaver. Poppy. 



* Leaves glaucous, toothed or slightly lohed. 



P. somniferum : annual, erec^t, glabrous, or with a few 

 hairs on the peduncles, scarcely branched, two feet higli or 

 more ; leaves clasping the stem by their cordate base, oblong, 

 irregularly toothed, slightly sinuate or lobed; flowers large. 



