Utricularia. LXXXVI. LENTIBULACEiE. 391 



than the corolla. — Wei rocks and ihin, clamp soils, N. Y. (near Rochester, 

 Dewey, Beck.) N. to Arctic Am. Hooker. Scape G— 8' high, with solitary, nod- 

 ding flowers. Lcav'L's all .spriii^^ing from the root, llcsliy, spatulatc or ovate, 

 with a tapering base, llcshy and unctions to the touch. Corolla with a purple 

 lube, lined with soil luiirs. Flowering early in April and May. 

 2. UTIUC ULARI A. 



Lat. utriculci, a little l)ott!o ; ailudine to llie uir-vcs.iels appended to the roota. 



Calyx 2-partcd, subc(|ual ; corolla irregularly bilabiate, personate, 

 spurred; «ta. 2; stig. bilabiate; caps, globular, l-cclled. — JLrbs 

 aquatic, loosdi/ fluating or fixed in the mud. Lvs. radical, muUiJid or 

 linear and entire, mostly furnished irith little iiiflated vesicles. Scape erect. 

 § Floating. Leaves capitlaceoiis, midtijid. Roots few or 0. Branches 

 producing turions at apex: 



1. U. inpl.;ta. Walt. (U. ceratophylla. M.v.) WJwrled Bladderv-ort. 

 Upper lvs. in a whorl of 5 or G at the surface ot the water ; petiole and niid- 



vein inflated, lower lvs. capillaceous, di.ssected, submerged ; scape 4— 5-flowcred. 

 — Tj. In ponds, Mass. to Car., W. to Ohio. The proper stem (rhizoma?) is 

 very long, branching, su.spended in the water by a single, irregular whorl of 5 

 or 6 floating, inflated leaves which are oblong, cleft, jmd pinnatifid at the end. 

 Flowers 4—5 together upcm a scape 8' in length, pedunculated, with .sheathing 

 bracts. Spur nearly as long as the corolla, appre.s.sed to the lower lip, striate, 

 emarginate. Cor. yellow, the upper lip broad-ovate, entire, lower 3 lobe'd. Aug! 



2. U. VLLGARis. (U. macrorhiza. Le Omfe.) Common Bladdcrwort. 

 Lvs. all submersed, capillaceous, multifid, fibrillose or .setaceous ; vesicles 



numerous, small; 5/. or rkizoma very long, floating; scape simple, 5 — 11-fiower- 

 ed ! spur conical, obtuse, .shorter than the corolla. — %. In stagnant pools, U. S. 

 and Can. Floating stems sev^eral feet long, very branching. Leaves very nu- 

 merou.s, 1' in length. Utricles furnished with a fringed, valvate aperture, 

 usually inflated. Scape 5 — 10' high, stout, arising out of the water. Flowers 

 alternate, showy, yellow, 5—6" long, lower lip larger, with a projecting palate, 

 striped with brown. Jn. Jl. 



3. U. iNTKRMEDiA. Havnc. 



Lvs. all submersed, in 2 rows, dichotomously many-parted, without vesi- 

 cles, roundish in outline, segments ciliolate-denticulate; leafless branches with 

 lateral vesicles and terminal turions ; fls. few ; lips entire ; spvr conical, acute, 

 appressed to the lower lip. — 1|- Pools, Msif^n. Bob/nns ! R.I. Prov. Frank. Snc. 

 Floating stems branched, a foot long. Leaves about 3" long, numerous. Turions 

 much larger than the vesicles, green, scaly, producing new plants like bulbs. 

 Flowers 4—5" long, sulphur-yellow, 



4. U. STRIATA. Le Conte. 



Lvs. numerously subdivided, submerged, with vesicles ; scape 2 — G-flower- 

 ed, with a few scales; Jlawcrs large, yellow, upper lip broad, divided into 3 

 lobes, the middle lobe .striate with red, lower lip crenate, sides reflexed, having- 

 dark spots upon the palate ; spur slender, obtuse, with a notch at the en(f, 

 pre.s.sed against the lower lip of the corolla and nearly as long. — Native of 

 swamps, Mass. to Flor. Root submerged, slightly attached to Uie mud. Leaves 

 (radicles 1) few, capillary, appcndaged with few air vessels. Scape a foot high 

 generally with 2 flowers. June. ' 



5. U. GiBBA. Linn, (and Le Conl^.) 



Minute, floating, leafless 1 with few utricles and turions; scape about 2 

 (4 — 7, Le C.)-flowered, naked, segments of the yellow corolla roundish, upper 

 lip emarginate, lower subtrilobate, middle lobe crenate, subrevolute; spur gib- 

 bous in the middle. — % In pools, R. I., Olncij, Ma.ss., N. Y. to Car. Submersed 

 stems dichotomous. Scapes 2 — 3' high, generally with but 2 small, yellow 

 flowers. Spur swelling outward in the middle. Ji. 



6. U. FORxicATA. Le Conte. (U. minor. Ph.) 



S/s. numerous, fibrillo.se-branched, floating, utriculate ; ."^cape naked, 1 — 2- 

 flowered ; vp2}er lip of the corolla 3-lobed, central lobe incurved over the palate, 



