112 BOTANY OF LA SAL,LE COUNTY. 



COOPOPHOLIS, Americana. Squaw-root. Cancer 

 Root. Yellowish, clustered; fls. in spikes. 

 Woods R. 



APHYLLON uniflorum. Plant W.; fls. P. W. 

 3 to 5 in. Woods. Not common. 



Order 77. LENTIBULA CEAE. Bladderworts. 

 Water plants with finely divided leaves bearing- 

 little bladders which float them at the time of 

 flowering 1 , corolla 2 lipped. 

 UTRICULA RIA. vulg-aris. Stems 2 to 3 ft.; fls. Y. 



Order 78. BIGNONIACEAE. Beg-nonias. 



Tecoma radicans. Trumpet-Creeper. 



Catalpa speciosa. Catalpa. Indian Bean. 



Order 80. ACANTHA CEAE. Acanthuses. 



Ruellia ciliosa. P. White-hair}', 1 to 3 ft., leaves 

 oval, sessile, 1 to 2 in. long-; fls. 1 to 3 in an 

 axil; corolla bell-shaped with a long-, slender 

 tube, \% to 2 times leng-th of slender calyx, 

 lobe's, P. \^/2 in. broad; Ju. Sept. Sandy places. 



Dianthera. Americana. P. Water Willows. Grow- 

 ing- in water; 1 to 3 ft., leaves long-, narrow, 

 acute; fls. in long- spikes; P. W. Canal, Ottawa. 

 Covell Creek. 



Order 81. VERBENA CEAE. Verbenas. Vervains. 

 VERBENA Vervains. Calyx 5 toothed; corolla short 

 tubular with a flat border unequally 5 cleft; fls. 

 in spikes, bracted; leaves opposite. 



V. officinalis. A. Branched; leaves cleft, sessile; 

 fls. P. small in long- slender spikes. 1 to 3 ft. 

 Common. 



V, urticaefolia. P. Tall, 3 to 5 ft., slender; 

 leaves oblong'-ovate, sharp-serrate, veiny; fls. W. 

 small in very long- spikes. 



V. ang-ustifolia. Leaves narrow-lanceolate, sessile, 

 roug-hish, fls. P. in crowded spikes. Dry 

 ground. 



