V. acerifolium L. Maple-leaved A'iburiuini. 



At low altitudes in dry or rock_\- woods; occasional in Coos County; coninion in 

 southern and central Xcw Hampshire. 



V. edule (Miclix.) Raf. St|uashberry, Monseberry. 



Infrequent; northern Xew Hampshire as far south as Conway, Waterville, and 

 Benton ; occasional at lower altitudes becoming more common at higher elevations, 

 ascending to alpine area of Mt. Washington; moist cold woods, talus slopes, and 

 along streams and shores. 



V. trilobum Marsh. Highbush-Cranberry. 



Moist often swampy woods at low elevations; fre(|uent in northern Xew Hamp- 

 shire, becoming local southward. 



V. Opulus L. Guelder Rose. 



Rare escape; only collection is fr(jm Plainfield ; introduced from F,urn]ie. 



Sambucus canadensis L. Common Elder, Elderberry. 



Moist or ricli soils in thickets, roadsides, and borders of woods anl streams, 

 mostly at low elevations; common and generally distributed throughout; one collect- 

 ion from summit of Mt. Washington ( E. F. Williams); not observed there recently. 



S. pubens Michx. Red-berried Elder. 



Rocky slopes, ledges, openings m woods, and roadsides; common northward, as- 

 cending to medium elevations: in open woods, clearings, an.i wind-blown areas: 

 forma calva Fern., with leaves glabrous beneath and branchlcts glabrous is about as 

 common as the species in X''ew Hampshire and occurs throughout. 



Iva. fruteseens L. var. oraria (Bartlett) Fer.i. & Grisc. Marsh-Elder, Highwater- 

 shrub. 



Reaches northeastern limit of range in United States in Portsmouth an:l along 

 shores of Great Bay in Durham and Xewmarket, reappearing however in Xova 

 Scotia; salt-marshes and rockv shores; rare and local in Xew Hampslrire : Rhodora 

 46:22, 1944 and 52:162-163, 1950. 



50 



