﻿Bicknell: Ferns and flowering plants of Nantucket 557 



EuPATORiuM verbenaefolium Michx. 



Common in low grounds, often about thickets and among 

 open growths of shrubbery. Flower buds visible July 4, 1912; in 

 full flower August 7, 1906; blooming through September. The 

 Nantucket plant, although often quite typical, is mainly the form 

 with narrowed deeply incised leaves^ — var. Saundersii Porter. 

 EUPATORIUM pubescens Muhl. 



A single cluster in full flower August 16, 1906, at the border of 

 a low thicket in Quaise. Collected on Nantucket twenty-three 

 years earlier, August 18, 1883, by Judge J. R. Churchill. Judge 

 Churchill has most kindly sent me for examination his specimen 

 collected at that time, which is of particular interest as having 

 been the basis of Mrs. Owen's record of Eupatorium rotundifolium 

 on Nantucket. It is one of those troublesome forms that seem to 

 lie midway between typical examples of E. rotundifolium and E. 

 pubescens, and is very similar to my own Nantucket specimens 

 which, after careful study, I do not doubt are properly referable 

 to E. pubescens. Judge Churchill's specimen is a stout and large- 

 leaved plant, the leaves reaching a size of 5-6 cm. in length by 

 4-5 cm. in breadth. As is the case with my own more slender and 

 smaller-leaved specimens the number of flowers in the heads is 



* Eupatorium hyssopifolium L. 



Dry open ground near Sachacha Pond, on the southwest side, 

 a considerable colony just in bloom August 13, 1906; Spotsor 

 Country, several scattered stations; two small plants below "the 

 Cliff," 1907; Pocomo, in full flower September 21, 1907. 



* Eupatorium aromaticum L. 



About dry thickets and in neighboring open ground, local. 

 Quaise; Polpis, at several stations, and in abundance at one 

 locality near Almanac Pond; by the railroad near the fifth mile 

 post; Siasconset. In full flower August 31, 1904, September 19, 

 1907. Collected by Mr. Floyd near Tom Never's Head in 1902. 



* Mikania scandens (L.) Willd. 



Wet thicket along Watt's Run where it twines in luxuriant 

 growth among the shrubbery and in late August and in September 



