“a 
392 LXXXVII OROBANCHACER. Onobittcis. 
lateral lobes appressed, lower lip entire ; spur incurved, conical, obtuse, appressed 
to the lower lip.—Stagnant waters, N. Y. to Ohio, Clark! 8. toGa. The plant 
appears to be leafless, unless the hair-like lateral branches be considered leaves. 
Utricles very small. Scapes 3—5’ high, filiform, dividing near the top, with a 
very minute bracteole at the fork. Flowers yellow. 
7. U. purpurga. Walt. Purple-flowered Bladderwort. 
St. long, floating, branched; dvs. submersed, fibrillose, verticillate, pin- 
nately dissected, segments capillary, utriculate ; scape assurgent, 2—3-flowered ; 
upper lip roundish-truncate, lower lip larger, its lateral lobes cucullate, smaller 
than the central; spur conical, flattened, appressed to and shorter than the upper 
lip.—@ Pools, Mass.! to Flor. W.to Wis. Readily known by the large, bright 
purple flowers. Stem 1—3f long. Leaves about 13’ long. Utricles small. 
Scape 3—5’ high. Corolla 8” broad, the spur 3”, greenish. Aug. 
§ § Roots fixed in the mud or earth. Leaves simple, linear, with few utricles. 
8. U. resupinata. Green. (U. Greenii. Oakes.) 
Sts. creeping, fibrillose, rooting; lvs. linear-capillary, erect, undivided and 
entire; scapes numerous, simple, 1-flowered, with a minute clasping bract near 
the top; spwr obtuse, cylindric, ascending, shorter than the elongated tube of the 
corolla.—Muddy shores of ponds, Tewksbury, ( Green,) Plymouth and Uxbridge, 
Mass., Robbins! Leaves generally numerous, 6—15” high, the bract 1’ below 
the flower. Corolla light purple, 4” iong, lips roundish, entire, remote from 
Meeepur. J)" 
9. U. susutita. (U. setacea. Michz.) 
St. fibrillose, creeping, rooting, utriculate; dvs. few and minute, among 
the fibrillose roots, entire, linear, petiolate, glandular-obtuse, sometimes 0? 
scapes few, filiform, 1—5-flowered; bracts ovate, clasping; pedicels 4—5 times 
longer than the ovate, obtuse, veined sepals; cor. upper lip ovate, entire, lower 
3-lobed; spur acute, appressed to and nearly equaling the lower lip.—A minute 
species, in swamps and ditches, Can., Mass.! to Flor. and La. Scapes 2—4’ 
high. Leaves 2—3” by 3”. Flowers yellow, 3—4” broad. Jn. 
10. U. corntra. Michx. Horned Bladderwort. 
Scape rooting, rigidly erect, scaly, with about 2 sessile flowers; spur subu- 
late, acute, longer than the corolla.—?2| Native of damp, boggy soils, but never 
floating, growing abundant in its localities, Can. to Mass. and Mich. Scape 
8—12’ high, leafless, but furnished with a few small, distant, pale, ovate scales, 
and bearing at the top 2—3 large, yellow flowers issuing from between bracts. 
The calyx consists of 2, ovate, colored leaves? Lower lip of the corolla much 
larger than the upper, broad, deflexed, emarginate ; spur rigid, acute twice the 
length of the calyx. Jl. Aug. 
11. U. personita. Le Conte. Snap-dragon Bladderwort. 
St. strict, simple; roots few; ws. 0; fls. 2—10; pedicels shorter than the 
acute lobes of the calyx; cor. upper lip oblong, obovate, emarginate ; palate very 
large; spur linear-subulate, subacute, dependent, as long as the rest of the 
corolla.—Bogs, N. Eng. to Flor. Resembles the last, but distinguishable by its 
more numerous and smaller flowers, acute sepals, emarginate upper lip, and the 
more slender and acute spur of the yellow corolla. Stem or scape 10—18' high. 
Orver LXXXVII OROBANCHACE 2A.—BroomrapPes. 
Plants herbaceous, leafless, growing parasitically upon the roots of other plants. 
St. furnished with scales and bearing solitary or spicate flowers. 
Cal. 4—5-toothed, inferior, persistent. Cor. irregular, persistent, imbricate in estivation. 
Sta. 4, didynamous. Anth. 2-celled, cells distinct, parallel, often bearded at base. - 
Ova. 1-celled, free from the calyx, with 2 parietal placente Style1. Stigma 2-lobed. 
Fr.—Capsule enclosed within the withered corolla, 1-celled, 2-valved, each valve bearing one simple or2- 
Sds. very numerous and minute. {lobed placenta in the middle. 
‘Genera 12, species 116, mostly natives of the northern temperate zone. Properties astringent and bitter. 
OROBANCHE. 
Gr. op0Bos, avetch, ayxewv, to choke ; being supposed hurtful to the vetch and other plants. 
Calyx 2—5-cleft, the segments often unequal ; corolla ringent, limb 
