108 Spri7ig Flora of Ohio. 



LXXIX. Order LEN-TIB-U-LA-RI-A'-CE-/E. BLADDERWORT FAMILY.— 

 Growfng m water or wet soil; cah'x and usually corolla bilabiate 

 ovary 1-celled; placenta central. 



1. Genus U-TRIC-U-LA'-RI-A. — Aquatic plants, immersed, with cap- 

 illary dissected leaves, bearing little bladders, rarely with few or no 

 leaves or bladders; flowers on scapes; calyx and corolla ^-lipped. 



U-tric-u-la'-ri-a vul ga'-ris L. Bladder-wort. —Leaves crowded, 2-3- 



pinnately parted; capillary, bearing many bladders. 



U-tric-u-la'-ri-a in-ter-me'-di-a Hayne. Bladder-wort. — Leaves crowd- 

 ed, 2-ranked, 4—') times forked, rigid, the bladders borne on separate 

 leafless branches. 



U-tri-u-la'-ri-a cor-nu'-ta ]Mx. Bladder-wort. — Growing in peat-bogs 

 or sand}- swamps, stem strict ; leaves entire, rarely seen. 



LXXX. Order OR-0-BAN-CHA' CE /E. BROOM -RAPE FAMILY.— 

 Destitute of green foliage; root parasitic; stamens didynamous 

 ovary 1-celled. 



Flowers thyrsoid-spicate, stamens included ThaU'sia. 1 



Flowers densely spicate, stamens e.xserted Coiiopliolis. 2 



1. Genus THA-LE'-SI-A. (:-^//m'//c«.) — Corolla somewhat i-lipped; 

 stigma broadly 2-lipped or crateriform , plants brownish or whitish ; 

 the yellowi.sh or purplish flowers and the naked scapes minutely 

 glandular pubescent. 



Tha-le'-si-a u-ni-flo'-ra (L.) Britt. [Aphyllon iinifloniui Gr.) One- 

 flowered Cancer-root. — Scapes 3-5 in. high, 1-flowered. 



2. Genus CO-NOPH'-0-LIS.~ Flowers in a thick, chestnut-colored 

 or yellowish, scaly spike, the scales becoming dr\' and hard ; corolla 

 tubular, swollen at base; strongly 2-lipped; stamens protruded. 



Co-noph'-o-lis a-mer-i-ca'-na (L. f) Wallr. Squaw-root: Cancer-root. — 



Growing in clusters among fallen leaves. 



LXXXI. BIG-NO-NI-A'-CE-/E. BIGNONIA FAMILY.— Trees or shrubs ; 

 flowers large, showy; corolla more or less labiate; seeds flat, usually 

 winged. 



