This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol3", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Stems coarse, yellowish white; flowers larger than in any of our other species, loosely cy-mose, pedicelled. Calyx gamosepalous, 5-lobed, the lobes ovate-triangular, shorter than the corolla-tube; corolla campanulate, 2" - 3" long, white, its lobes broadly ovate, obtuse, about as long as the calyx-lobes; scales narrow, sometimes spatulate, shorter than the tube, heavily fringed at the summit and sparingly along the sides with long slender processes; stamens included; styles slender, about as long as the flask-shaped ovary; stigmas capitate; capsule oval, long-beaked.
On herbs and shrubs, Maryland to South Carolina and Georgia. July-Sept.
Cuscuta cuspidata Engelm. Bost. Journ. Nat. Hist. 5: 224. 1845.
Plant yellowish; stems slender; flowers about 1 1/2" long in loose panicled cymes. Calyx of 5 distinct entire sepals, shorter than the corolla-tube, with 2-4 similar bracts at its base and often others on the pedicels; sepals orbicular to lanceolate, cuspidate, mucronate or acuminate; corolla nearly salverform, its lobes triangular-lanceolate or oblong, acute or cuspidate, spreading, about one-half the length of the tube; scales narrow, usually less than one-half as long as the tube, fringed all around with short irregular processes; stamens not exserted; styles very selnder, longer than the ovary; stigmas capitate; capsule bearing the withered corolla on its summit.
On coarse herbs, Nebraska to Missouri and Texas, July-Sept.
Cuscuta compacta Juss.; Choisy, Mem. Soc. Gen. 9:
281. t. 4. f. 2. 1841.
Plant yellowish white, stems rather stout; flowers about 2" long, closely sessile in dense clusters. Calyx of 5 (rarely 4) distinct oval crenulate obtuse sepals, subtended by 3-5 similar rhombic-orbicular appressed serrulate bracts; corolla sal-verform, persistent, the tube cylindric, its 5 (rarely 4) lobes oblong or ovate, obtuse, spreading, much shorter than the tube, the scales narrow, one-half the length of the tube, fringed with numerous long processes; stamens included; styles slender; capsule oblong, enveloped or capped by the withering corolla.
On shrubs, Ontario to Massachusetts, New York and Alabama, west to Kansas and Texas. July-Sept.
Cuscuta paradoxa Raf. Ann. Nat. 13. 1820. Cuscuta glomerata Choisy, Mem. Soc. Gen. 9: 184. pl. 4. f. 1. 1841.
Plant yellowish white, stems slender; flowers sessile, 1 1/2" long, exceedingly numerous in dense confluent clusters covering portions of the stem of the host-plant. Calyx of 5 distinct concave oblong obtuse serrulate sepals, subtended by 8-15 narrower serrulate much imbricated bracts with recurved tips; corolla tube oblong-cylin-dric, its lobes oblong-lanceolate or triangular-lanceolate, obtuse, spreading or recurved, persistent; scales copiously fringed at the summit and sparingly along the sides with numerous long processes; styles 2-4 times as long as the ovary; capsule capped by the withering corolla.
On tall herbs, mainly Compositae, Ohio to South Dakota, Nebraska and Texas. July-Sept.