CATALOGUE OF PLANTS. 



69 



Var. gracilens, Muell. 



Sandy soil. M*, shore of N. Reservoir. 



URTIC ACE/23. Nettle Family. 

 ULMUS, L. Elm. 

 U. Americana, L. American Elm. 



Moist woods, rich soil by river banks, etc. B, planted trees 

 are frequent by roadsides and old house-sites ; natives are 

 rare and are usually found in wet places ; one tree in a group 

 near the head of Marigold Brook valley has a diameter of 5 ft. 

 3 in., and spread of 50 ft. ; small trees at head of Beech Eun : 

 — M, common in pastures, open moist places, and occasionally 

 in woods ; planted by roadsides : — S, moist valley, W. of 

 Turtle Pond; planted on Washington St.: — BB, numerous 

 trees in both sections ; in S. section near the road is the largest 

 elm in all the Reservations, its circumference, 4 ft. above the 

 ground, being 17 ft. 5 in. 



MORUS, Tourn. Mulbeeey. 

 M. alba, L. White Mulberry. 



Cult, from Eu. B, old garden, Park's place, Hawk Hill. 



URTICA, Tourn. Nettle. 

 U. gracilis, Ait. 



Moist ground in waste places and by roadsides. M, com- 

 mon. 



PILEA, Lindl. Richweed. Clearweed. 

 P. pumila, Gray. 

 Moist shady places. B*, Jfand BB*, rare. 



BCEHMERIA, Jacq. False Nettle. 

 B. cylindrica, Willd. 



Wet shady places. B *, rare ; Cedar Swamp ; by Pine 

 Tree Brook : — M, rare ; by stream in Virginia Wood, etc. : — 

 S *, rare ; swamp near office : — B B, rare ; by the brook. 



