1090 PINGUICULACEAE 
bearing. Scapes simple, commonly with a few scales toward the base. Flowers racemose 
or sometimes solitary. Pedicels subtended by small bracts. Sepals 2, accompanied by 2 
similar bractlets. Corolla surpassing the calyx, strongly 2-lipped. Stamens incurved: 
filaments stout. Capsules 2-valved.  [ Polypompholyx Lehm. ] 
1. Cosmiza longeciliàta (A. DC.) Small. Glabrous, bright green. Leaves few or 
many, often wanting; blades linear, 5-6 mm. long: scapes filiform, 5-15 cm. high, with 
several bristly scales, chiefly near the base: racemes 3-7-flowered, spike-like: pedicels 
shorter than the calyx: bracts, bractlets and calyx conspicuously ciliate with long hairs: 
corolla yellow, 6-8 mm. broad ; lips unequal, the lower one larger, nearly entire ; spur 
horn-shaped, about as long as the lower lip. [Utricularia longeciliata A. DC. ] 
In springy places, peninsular Florida. Also in the West Indies. 
3. UTRICULARIA L. 
Aquatic or terrestrial scapose herbs. Stems horizontal, creeping on the surface of the 
ground in wet places or in shallow water, or more or less free-swimming: some species 
essentially acaulescent, the stems minute or obsolete. Leaves commonly finely dissected, 
bladder-bearing, often reduced, rarely wanting. Bladders constricted at the mouth, which 
is closed by an operculum and often furnished with several projecting processes. Flowers 
solitary or racemose. Sepals 2, slightly united. Corolla 2-lipped, with a palate closing the 
throat : upper lip entire or 2-lobed : lower lip entire or 3-lobed, produced into a spur at the 
base. Capsule commonly irregularly dehiscent, several- or many-seeded. BLADDERWORT. 
Scapes solitary at the nodes of elongated, more or less free-swimming stems. 
Corolla violet-purple. 1. U. purpurea. 
Corolla yellow. 
Scapes each with a whorl of conspicuous inflated bracts. 
Racemes 1-3-flowered : corolla about 1.5 em. broad. 2. U. radiata. 
Racemes 5-12-flowered : corolla*about 2 cm. broad. 3. U. inflata. 
Scapes without conspicuous inflated bracts. 
Racemes 5-10-flowered : leaves 2-3-pinnately dissected : mature bladders x 
at least 3 mm. long. . U. vulgaris. 
Racemes 10-20-flowered : leaves 4-5-pinnately dissected : bladders 2 mm. 
long or less. E 
Pedicels recurving in fruit. 5. U. oligosperma. 
Pedicels erect or ascending in fruit. 6. U. Floridana. 
Seapes solitary or several together, the stems radiating from their bases often 
more or less root-like. 
Corolla yellow. RAS 
Spur much shorter than the lower lip of the corolla, conic, obtuse. 7. U. gibba. 
Spur about the length of the upper lip of the corolla. 125 
Corolla less than 12 mm. broad. 8. U. biflora. 
Corolla more than 12 mm. broad. 9. U. Md "S 
Spur much exceediug in length the lower lip of the corolla. 10. U. macrorhyncha. 
Corolla violet-purple: flower solitary, transverse on the summit of the scape. 11. U. resupinata. 
Seapes solitary, rooting: stems, leaves and bladders so minute and delicate that 
they are usually overlooked. 
Pedicels longer than the subtending bracts. 
Pedicels shorter than the subtending bracts. 
reed shorter than the calyx. 
Jorolla surpassing the calyx. ; 
Corolla less than 1 em. broad; spur about 6 mm. long. 14. U gunea 
Corolla more than 1.5 cm. broad ; spur about 12 mm. long. 15. U. cornuta. 
1. Utricularia purpùrea Walt. Stems submersed, elongated, the branches eru 
ous, whorled, verticillately decompound. Leaves none: bladders solitary, ee 
many of the ultimate branchlets, the orifices without projecting processes : papa : "d 
slender, spongy-thickened below, 1-3 dm. tall, often naked : racemes 1-4-How "ue a Is 
cels erect or ascending : calyx becoming 2-2.5 mm. long: corolla violet-purpis, n the 
broad, the upper lip truncate, the lower lip 3-lobed, its saccate lateral lobes im euch 
palate; spur conic, somewhat flattened, about 3 as long as the middle lobe: capsu'e 
or ascending. 
In ponds and ditches, Maine to Indiana and Florida. Spring to fall. 
2. Utricularia radiàta Small. Stems submersed, slender, elongated. Los e 
omously dissected, copiously bladder-bearing : scapes erect, emersed, 6-12 cm. E ore or 
ing near the middle a single whorl of 4-6 conspicuous inflated bracts, which are e di- 
less confluent at the base and pinnately dissected near the tip: racemes 1-3-flowerec PON 
cels 0.5-1.5 cm. long, erect or ascending in fruit: calyx becoming 2-3 mm. torg ioed, 
yellow, about 1.5 cm. broad, the upper lip concave, nearly entire ; the lower, p Chapt, 
about twice as long as the appressed conic emarginate spur. [U. inflata var. mino 
not U. miner L.] 
In ponds and ditches, Massachusetts to Florida and Texas. Spring to fall. 
12. U. subulata. 
13. U. simplex. 
