190 SIXTEENTH REPORT. 



Gerardia pedicularia L. Fern-leaved False Foxglove. — Frequent in open 

 woods on dry and sandy ground. 



Gerardia paupercula (Gray) Britton. Small-flowered Gerardia. — Frequent 

 in low wet ground, also on sandy shores and sterile ground. Abundant on 

 the delta islands of St. Clair River. 



Gerardia tenuifolia Vahl. Slender Gerardia. — Frequent in low or dry open 

 ground. 



Gerardia skinneriana Wood. Skinner's Gerardia. — Abundant in one place 

 on Squirrel Island in dry and poor ground. Not noticed elsewhere. 



Gerardia parvifolia Chapm. Small Ten-lobed Gerardia. — In poor dry 

 ground on Squirrel Island where it is abundant. Not noticed elsewhere. 



Buchnera americana L. Blue Hearts. — Occasional in poor ground on the 

 delta islands of St. Clair River. Abundant in sandy ground at Port Franks. 



Castilleja coccinea (L.) Spreng. Scarlet Painted Cup. — Occasional in 

 damp ground. A})undant on the north end of Walpole Island. 



Melampyrum lineare Lam. Cow Wheat. — Common in dry open woods. 



Pedicularis canadensis L. Common Lousewort. Wood Betony. — Com- 

 mon in dry oj^en woods and thickets. 



Pedicularis lanceolata Michx. Swamp Lousewort. — Frequent in wet and 

 marshy open places. 



Lentibulariaceae. Bladderwort Family. 



Utricularia vulgaris americana Gray. Greater Bladderwort. — Common in 

 ponds and slow streams. 



Utricularia resupinata B. D. Greene. Reversed Bladderwort. — Abmidant 

 in and aljout a large pond north of Sarnia. Not noticed elsewhere. 



Utricularia comuta Michx. Horned Bladderwort. — Occasional in ditches 

 near Blackwell Station. T. C. Wheatley. Abundant in wet sandy places at 

 Port Franks. 



Orohanchaceae. Broom-rape Family. 



Epifagus virginiana (L.) Bart. — Frequent under beach trees. 



Conopholis americana (L. f.) Wallr. Squaw-root. Cancer-root. — Occa- 

 sional in woods. T. C. Wheatley. 



Orobanche uniflora L. One-flowered Cancer-root.— Occasional in damp 

 woods. Noticed at Kettle Point, Newton Tripp, and on Squirrel Island, 

 Dodge. 



Bignoniaceae. Begnonia Family. 



Tecoma radicans (L.) Juss. Trumpet Creeper. Cultivated but not 

 spreading. 



Catalpa speciosa Worden. Catawba Tree. — Often planted, but not 

 spreading. 



Catalpa bignonioides Walt. Catalpa. — Cultivated as a street and lawn tree 

 but not spreading. 



Phrytnaceae. Lopseed Family. 



Phryma leptostachya L. Lopseed. — Frequent in moist open woods and 

 thickets. 



Plantaginaceae. Plantain Family. 



Plantago cordata Lam. Heart-leaved Plantain. — Frequent along streams, 

 in ])()ols, ditches, wet places and wooded swamps. 



