170 SIXTEENTH REPORT. 



Amelanchier spicata (Lam.) C. Koch. Round-leaved June Berry. — Fre- 

 quent with other shrubs on sand ridges near Lake Huron shore. 



Crataegus. 



The Crataegi here given for Lambton Co. are taken from ''Crataegus in 

 Southern Ontario" by Prof. C. S. Sargent of the Arnold Arboretum, Jamaica 

 Plain, Mass. The finest and largest thorns the writer lias ever seen are 

 found on Walpole Island. The fruit of many is delicious. One tree noticed 

 has fruit nearly an inch in diameter. 



Crataegus oxyacantha L. English Hawthorn. — Cultivated and inclined to 

 escape. Often planted for a hedge, but not a success in this locality. 



Crataegus arduennae Sarg. Thorn. — Frequent on Walpole Island. No. 

 96 of C. K. Dodge. 



Crataegus punctata Jaquin. Large Fruited Thorn. — Very common. No. 

 103 of C. K. Dodge. North of Sarnia. Fruit usually large, reddish or 

 yellow. A beautiful tree in bloom or fruit. 



Crataegus confragosa Sarg. Thorn. — Occasional on the bank of St. Clair 

 River below Sarnia. A beautiful tree both in bloom and fruit. Fruit large, 

 red, smooth and shining, beautiful and very palatable. Type tree No. 122 

 of C. K. Dodge. 



Crataegus gravis Ashe. Thorn. — North of Sarnia in sandy ground. No. 

 59 of C. K. Dodge. Tree beautiful in bloom. 



Crataegus samiensis Sarg. Thorn. — On the bank of St. Clair River south 

 of Sarnia. Type tree No. 119 of C. K. Dodge. 



Crataegus matura Sarg. Thorn. — On the bank of St. Clair River south of 

 Sarnia. No. 120 of C. K. Dodge. 



Crataegus mollis (T. and G.) Scheele. Red-fruited Thorn. — On Walpole 

 Island. No. 52 and north of Sarnia 135 of C. K. Dodge. Fruit large, red, 

 beautiful, and very palatable. A fine thorn. 



Crataegus sera Sarg. Thorn. On the bank of St. Clair River south of 

 Sarnia. No. 53 of C. K. Dodge. Fruit medium size, red, beautiful, and 

 very palatable. Trees often large for thorns. 



Crataegus ellwangeriana Sarg. Thorn. — On bank of St. Clair River south 

 of Sarnia. No. 100 of C. K. Dodge. Also No. 60 north of Sarnia. Fruit 

 red, beautiful, large, palatable. A fine thorn in bloom or fruit. 



Crataegus miranda Sarg. Thorn. — On bank of St. Clair River south of 

 Sarnia. No. 99 of C. K. Dodge. Fruit, red, beautiful and palatable. 



Crataegus splendida Sarg. Thorn.^ — On the bank of St. Clair River south 

 of Sarnia. Type tree No. 101 of C. K. Dodge. Tree beautiful in bloom and 

 in fruit. Fruit large, beautiful and very palatable. 



Crataegus flavida Sarg. Thorn. — North of Sarnia. No. 102 of C. K. 

 Dodge. Very common on the Michigan side. 



Crataegus dodgei Ashe. Dodge's thorn. — On the bank of St. Clair River 

 south of Sarnia. No. 124 of C. K. Dodge. Very common on the Michigan 

 side. In general appearance this and the preceding thorn much resemble 

 each other. 



Crataegus tomentosa L. Pear Thorn. — Frequent on the St. Clair River 

 bank south of Sarnia and in other places. Nos. 54 and 55 of C. K. Dodge, 

 fruit, red, small, beautiful and palatable. Beautiful thorn in bloom or fruit. 



Crataegus pubifolia Ashe. Thorn. — On Walpole Island. No. 96 of C. K. 

 Dodge. Fruit small, red and beautiful. A beautiful tree in bloom or 

 fruit. 



