3. NYMPHaiACE^. 15 



2. Epime'dium Linn,. Barren-wort. 



[JE. alpinum (L.) ; rhizome producing leaves and stems, stem- 

 1. twice temate. — R. iii. f. 4485. — Lts. ovate-heartshaped, ser- 

 rate. Pan. shorter than the 1. and appearing to grow trom the 

 petiole. PI. red with yellow nectaries. — Subalpine woods. Not 

 a native. P. V.] E. S. 



Order III. NYMPH^ACEiE. 



Sep. 4 — 6. Petals passing gradually into the many stamens, 

 all seated upon a fleshy disk more or less completely surround- 

 ing the ovary. Stigma peltate. iVuit many-ceUed; seeds 

 many, in a gelatinous aril. Embryo in a bag on the outside of 

 the base of the albumen. 



1. NympHjDa. Cat. of 4 sepals. Pet. many, seated together 

 with the stamens upon a fleshy disk enveloping the germen. 

 Berry many-celled, many-seeded. Stigma sessile, of many 

 rays. 



2. NupHAE. Cal. of 5 sepals. Pet. many, seated together 

 with the stamens upon the receptacle. Berry mauy-ceUed, 

 many-seeded. Stigma sessile, of many rays. 



1. NYMPHai'A Linn. White Water-Lily. 



1. N. (d'ba (L.) ; 1. roundish deeply cordate entire with ap- 

 proximate lobes, stigma of 12 — 20 rays. — It. vii. 67. — Fl. large, 

 white, floating. (There is a small-flowered form.) Stigmas 

 yellow. Ovary covered with tho stamens almost to its summit. 

 "Caps, dissolving into a mass of pulp. Notch in the leaves with 

 parallel sides. — Slow rivers, lakes and clear ditches. P. VII. 



E. S. I. 



2. Ntj'phae Sm. Yellow Water-Lily. 



1. JV. lutea (Sm.) ; 1. oblong-cordate, sep. 5, stigma with 10 — 

 20 rar/s not exteiiding to the entire margin, anthers linear. — iJ. 

 vii. 63. — ^Fl. 2| in. across, yellow, smelling like brandy. Caps, 

 bursting irregularly. Submersed 1. thin, transparent, wavy, 

 oblong-cordate. — ^. minor ; fl. 1\ in. across, margin of stigma 

 wavy. — Lakes and ditches. P. VII. Brandy-bottle. E. S. I. 



2. N. pzimila (DC.) ; 1. ovate deeply cordate with distant 

 lobes, sep. 5, stit/ma with 8 — 10 rays extending to the margin 

 and forming acute teeth, areth. subquadrate. — R. vii. 65. — Fl. 

 vellow, small. Caps, furrowed upwards. Anth. not twice as 

 lono- as broad. Much smaller than JV. lutea. Submersed 1. thin, 



