28 BicKNELL : Ferns and flowering plants of Nantucket 



"^ HuMULUS jAPONicus Sicb. & Zucc. 



H 



Found in 1899 trailing all over a rubbish-heap by a roadside 

 north of the town ; not seen again until 1907, when a single plant 

 in full flower was observed Sept. 16, in waste ground less than a 

 mile south of the town. 



Cannabis sativa L. 



Two instances of the occurrence of this species in the town are 

 recorded by Mrs. Owen. I did not meet with it. 



Note. — A thick cluster of the white mulberry [Morus alba L,) 

 about four feet in height, from two main shoots, grew on Sept. 



r 



I r, 1907, on the edge of a field near a barn on the Wauwinet 

 road about two miles from the town. The tree may have been 

 originally planted at or near this station and the species is noted 

 here only for the purpose of a record in the case of a tree which 

 has shown a readiness to become naturalized in some parts of the 

 country. 



URTICACEAE 

 Urtica urens L. 



Mrs. Owen has reported this nettle as rare at the time her list 

 was pubhshed in 1888, but a not uncommon garden weed fifty 

 years earlier. I saw nothing of it. 



* Urtica Lyallii Wats. 



A vigorous patch in full flower growing by a fence near waste 

 ground in 'Sconset June 13, 1908. 



* Adicea pumila (L.) Raf. 



Rare, but growing in abundance in an open sphagnum bog 

 in Shimmo valley; also in Watt's Run bog; in full flower Aug. 

 29, 1904 and Sept. 11, 1907. 



BOEHMERIA CYLINDRICA (L.) Wllld. 



By the borders of several ponds and in low thickets west of the 

 town ; Trot's Swamp ; Polpis ; Watt's Run ; in full flower Aug. 

 14, 1906. 



* BoEHMERiA SCABRA (Porter) Small. 



Rather common in weedy meadows and wet places across the 

 northern side of the island from Long Pond to Polpis. In full 

 flower in early September, 



