X. Q. Rehderi Trcl. 



Hybrid of Q. vclutiiia and (J. illlcl folia has been collected in Charlcstown. 



Q. ilicifolia Wang. Bear- or Scrub-Oak. 



Common in southern and east central New Hampshire at low elevations, north in 

 Connecticut Valley to Charlestown, in central New Hampshire to New Hampton, 

 and in eastern New Hampshire to Conway ; in dry, sandy soils or rocky areas. 



Ulmus rubra Muhl. Slippery or Red Elm. 



Common and obviously native in alluvial soils along shores of middle and lower 

 Connecticut River north to Lebanon ; scattered or rare elsewhere ; probably much 

 planted in former times and perhaps now persisting in many localities. 



U. americana L. American or White Elm. 



Connnon tree of river valleys, swampy woods, and open areas at low elevations 

 throughout; several forms, varymig in pubescence of leaves and young twigs, occur 

 with the typical; these are f. fciidula (Ait.) Fern., leaves smoothish and branchlets 

 pubescent; f. lacvior Fern., leaves smoothish, branchlets glabrous; f. alba (Ait.) 

 Fern., leaves scabrous, -branchlets pubescent; /. uitcrccdcns Fern., leaves scabrous, 

 branchlets glabrous. 



Celtis occidentalis L. var. pumila (I'ursli) Gray. Hackberry. 



Very restricted in New Hampshire, being known only in the lower Connecticut 

 River V^alley, in alluvial soils, from Lebanon to VValpole ; common on banks of 

 Connecticut River and islands at Plainfield where trees one foot in diameter or 

 larger occur. 



Morus alba L. White Mulberry. 



Occasional escape in central and soutliern New Hampshire, probably not long 

 persistent : introduced from Asia. 



Clematis virginiana L. Virgin's bower. 



Common throughout at low elevations ; occurs chiefly in thickets, low woods and 

 along streams: /. missouricusis ( Ryhd. ) Fern., with leaves pubescent beneath is 

 occasional. 



C. verticillaris DC. Purple Clematis. 



Infrequent; chiefly in central and northern New Hampshire, outlying stations in 

 Durham and Windham ; occurs mostly in rockv woods, on talus-slopes and ledges, 

 often in calcareous areas: Rhodora 25:184, 1923 and 46:22-23, 1944. 



Berberis vulgaris L. Common Barberry. 



Frequent in central and southern New Hampshire, occasional in Coos County ; 

 commonest near habitations and in farmed areas ; thorouglnly naturalized in pastures, 

 thickets, open woods and fence-rows : from Europe. 



B. Thunbergii DC. Japanese Barberry. 



Becoming a frequent escape in pastures, open woods and fence-rows throughout : 

 introduced from Asia: Rhodora 15:225-226, 1913. 



Sassafras albidum (Nutt.) Nees. var. albidum. White Sassafras. 



Locally common in southeastern New Hampshire north to Wolfeboro, Hooksett, and 

 Tamworth (where originally planted) ; confined to more southern towinships in west- 

 ern New Hampshire ; thickets and woods, particularly on warm slopes ; occasionally 

 as trees to 30-40 feet high, but usually occurring as shrubs. 



Var. molle (Raf.) Fern. Red Sassafras. 



About equally common and often not clearly separable from var. albidum ; of 

 similar range and habitat in New Hampshire. 



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