SAR11ACEXIA&E. 19 



1. N. ODORATA, Ait. White Pond-Lity. 



Leaves floating, orbicular-cordate, very entire; nerves and veins prominent; 

 stigma 16 to 30 rayed; rays incurved. 



Ponds and sluggish streams. Susquehanna. June, July. One of the lovliest of 

 flowers ; possessing beauty, delicacy and fragrance in the highest degree. Bhizoma 

 thick, in mud where the water is from 1 to 5 feet in depth, sending up leaves and 

 flowers to the surface. Leaves 4 to 6 inches in diameter, dark shining preen above, 

 cleft at the base quite to the insertion of the petiole. Sepals colored within. Petals 

 very delicate, 1 to 2 inches long, white tinged with purple. Filaments yellow. 

 Flowers 3 to 4 inches in diameter, very fragrant. 



2. NUPHAR. Smith. Yellow Water Lilt. 



Sepals 5 or 6, oblong, concave, colored within. Petals 

 numerous, small and stamen-like; compactly inserted with 

 the stamens into an enlargement of the receptacle at the base 

 of the ovary. Stigma discoid, with prominent rays. Per- 

 icarp many-celled, many-seeded. — Perennials, with yellow 

 /lowers, and floating leaves. 



1. N. ad vena, Ait. Yellow Pond-Lily . Spatter Dock. 



Leaves erect or floating, on half cylindrical petioles, heart-shaped at the base, ob- 

 long, or rounded ; sepals 6; petals numerous, small; stigma 15 to 20 rayed ; /rati 

 furrowed. 



Ponds and ditches ; mostly in shallow water : common. June — August. Leaves 

 large dark green, shining above. Flowers rather large aud globular in form, erect, 

 on a thick rigid stalk. Threj outer sepals, yellow inside; three inner, entirely 

 yellow, as well as the petals and stamens. 



2. N. LUTE A, Smith. Small flowered Yellow Water-Lily. 



Leaves floating, cordate, oval ; lobes approximate ; petioles 3-sided, acute angled; 

 stigma 16 to 20 rayed. 



Ponds : common. June. Sepals very obtuse. Petals much smaller, truncate . 

 Confounded by some of our botanists with the next species. 



3. Kalmiana, Ait. Kalms Water-Lily . 



Leaves cordate, submersed, with approximate lobes; petioles terete; catym »- 

 leaved; stigmas incised, 8 to 12 rayed. 



In Water. July, Aug. Leaves and flowers small ; upper leaves 2 to 3 inches Ion-*, 

 1 V£ to Z 1 /, inches wide : lower leaves 3 to 4 inches in diameter. Dr. Robbins. Beek. 

 Gray considers it a variety of N. Lutca; to which it is certainly closely allied. 



Order 9. SARRAGENIACIE.— Pitcher Plants. 



Herbaceous plants growing in boggy places, with hollow pitcher form, or trvtmpet- 

 Mftaped radical leaves; with the petiole and lamina articulated at the summit. Char*©- 

 teristica, those of the typical genus. 



1. SARRACENIA, Tourn. 



In honor of Dr. Sarrazin, of Quebec 



Calyx of 5 sepals, with 3 small bractlets at the base ; 

 colored, persistent. Petals b, oblong or obovate, i curved, 



