LENTIBULACEiE. (BLADDERWORT FAMILY.) 287 
Leaves crowded on the long immersed stems, pinnately compound , ca¬ 
pillary, bearing many bladders; flowers 5-12; upper lip of the closed 
corolla scarcely longer than the prominent palate ; the conical spur 
stretched out toward the lower lip and much shorter than it; pedicels 
drooping in fruit.— Ponds and slow streams, everywhere. June- 
Aug — Immersed stems 1° - 3° long : scapes 6' -12' high. Corolla A' 
-1' broad. 
Minor, L. (Smaller Bladderwort.) Leaves scatter¬ 
ed on the thread-like immersed or somewhat rooting stems, 2-4 times 
forked , short, capillary, bladder-bearing; flowers 3-7; upper lip of 
the gaping corolla ; not longer than the depressed palate , very much 
smaller than the obovate entire lower lip; spur obsolete or very short 
and obtuse, turned down; pedicels drooping in fruit. — Shallow water 
in bogs, N. New York to Wisconsin. July. — Leafystems 3'-5': the 
scape weak, 3' - 7' high. Flowers one quarter the size of the last. 
6- U. intermedia, Hayne. (Intermediate Bladderwort.) 
Leaves crowded on the immersed stems, 2-ranked, 4 - 5 times forked , 
rigid; the divisions linear-awl-shaped, minutely bristle-toothed along 
the margins, not bladder bearing, the bladders being on separate leaf¬ 
less branches; flowers 1 - 4; upper lip of the corolla much longer than 
the palate and nearly as long as the rounded lower one; spur oppress¬ 
ed to the lower Up and nearly as long as it ; pedicels erect in fruit._ 
Shallow pools, N. England to Michigan, rare. June, July.—Leafy 
stems 3'-6' long. Scapes 3'-7' high. Flowers intermediate in size 
between No. 5 and No. 6. 
7. U. Striata, Le Conte. (Striped Bladderwort.) Leaves 
crowded or rather whorled on the small immersed or somewhat root¬ 
ing stems, several times forked , capillary, bladder-bearing ; flowers 2- 
5, on long pedicels; lips of the corolla nearly equal, broad and much 
expanded, the upper undulate, concave, plaited-striate in the middle ; 
spur nearly linear , obtuse, approaching the lower lip which it almost 
equals in length ; pedicels erect-spreading in fruit.— Shallow pools in 
pine barrens, New Jersey. July, Aug. — Scape 8'- 12' high. Flow¬ 
ers large as No. 4. 
8- U. gibba, L. (Gibbous-spurred Bladderwort.) Scape 
(B-3'high) 1-2 -flowered, at the base furnished with very slender 
short branches bearing sparingly dissected capillary root-like leaves, 
with scattered bladders; lips of the corolla broad and rounded, nearly 
equal; spur very thick and obtuse, somewhat gibbous, approaching the 
lower lip and shorter than it. — Shallow water, New England to New 
Jersey. July, Aug.— Corolla in size between No. 5 and No. 6. 
U. clandestina, Nutt. Mss. (Clandestine-fruited 
Bladderwort.) Flowers of two kinds, viz., 3-6 on a slender scape, 
with the very thick and obtuse rather gibbous spur shorter than the 
3-Iobed lower lip of the corolla, and also others scattered along the im- 
