192 SIXTEENTH REPORT. 



Lonicera glaucescens Rydb. Douglas' Honeysuckle. — Frequent and 

 usually in dry and poor ground. 



Symphoricarpos occidentalis Hook. Wolf berry. — Occasional in dry and 

 sandy ground, usually not far from Lake Huron shore. 



Symphoricarpos racemosus Michx. Snowberry. — Occasional in dry shaded 

 ground. Alumdant along the Aux Sables River. 



Symphoricarpos racemosus pauciflorus Robbins. Low Snowberry. — Fre- 

 quent and usually in shaded places on poor and sandy ground. Noticed in 

 particular near Lake Huron shore north of Sarnia. 



Linnaea borealis americana (Forbes) Rehder. — Frequent in damp open 

 woods and thickets. 



Triosteum perfoliatum L. Tinker's Weed. — In rich ground on St. Ann's 

 Island, one of the delta islands of St. Clair River. 



Triosteum aurantiacum Bicknell. Scarlet-fruited Horse Gentian. — Fre- 

 quent in oyion woods and thickets, the usual form in this region. 



Viburnum opulus americanum (Mill.) Ait. Cranberry-tree. — Frequent in 

 woods, damp thickets and along streams. 



Viburnum acerifolium L. Dockmackie. — Frequent in dry woods and 

 thickets. 



Viburnum pubescens (Ait.) Pursh. Downy Arrow-wood. — Frequent in 

 dry woods and thickets. 



Viburnum dentatum L. Arrow-wood. — Abundant in rich woods northeast 

 of Sarnia. T. C. Wheatley. Not noticed elsewhere. 



Viburnum cassinoides L. Withe-rod.-^— Common in wet open ground. 



Viburnum lentago L. Nannyberry. — Frequent in rich woods, thickets, and 

 on banks of streams. 



Sambucus canadensis L. Common Elder. — Very common in damp 

 ground, rich open woods and thickets. 



Sambucus racemosus L. Red-berried Elder. — Common in swamps, wet 

 woods and thickets. 



Dipsacaceae. Teasel Family. 



Dipsacus sylvestris Huds. Wild Teasel. — Occasional on roadsides. In 

 this locality often growing very thick and taking almost entire possession of 

 damp pastures, thus becoming a pernicious weed. 



Cucurhitaceae. Gourd Family. 



Sicyos angulatus L. One-seeded Bur Cucumber. — Frequent as a weed in 

 alleys, back yards, and waste places of towns and villages. 



Echinocystis lobata (Michx.) T. and C. Wild Balsam Apple.— Frequent 

 as an escape from cultivation. 



Campanulaceae. Bluebell Familj-. 



Specularia perfoliata (L.) A. DC. Venus's Looking-glass. — Occasional in 

 dry open ground. Noticed in particular as a weed in the gardens of Indians 

 on Walpole Island. 



Campanula rapunculoides L. Creeping Bellfiower. — Occasional as an 

 escape from cultivation to roadsides. 



Campanula americana L. Tall Bellfiower. — Frequent in rich open woods 

 and thickets. 



Campanula rotundifolia L. Harebell. — Common in dry and sandy open 



