. Concord area trees and shrubs. Botany; Trees; Shrubs. BLACKBERRIES, RASPBERRIES, & DEWBERRIES BLACKBERRIES: Erect or arching stems; leaves of FIRST YEAR (NON-FRUITING, NON-FLOWERING) STEMS WITH 5 (OCCASIONALLY 3) LEAFLETS. BRISTLY BLACKBERRY Rubus setosus Leaves hairless beneath. First year stems with very many soft bristles. "Berries" dryish. River bottomlands, damp thickets, grassy swamps. Uncommon. VERMONT BLACKBERRY Rubus vermontanus Leaves essentially hairless beneath. Stems very prickly with stiff, needle- like prickles 2-4 mm. long. "Berries" poor to fair in qu
. Concord area trees and shrubs. Botany; Trees; Shrubs. BLACKBERRIES, RASPBERRIES, & DEWBERRIES BLACKBERRIES: Erect or arching stems; leaves of FIRST YEAR (NON-FRUITING, NON-FLOWERING) STEMS WITH 5 (OCCASIONALLY 3) LEAFLETS. BRISTLY BLACKBERRY Rubus setosus Leaves hairless beneath. First year stems with very many soft bristles. "Berries" dryish. River bottomlands, damp thickets, grassy swamps. Uncommon. VERMONT BLACKBERRY Rubus vermontanus Leaves essentially hairless beneath. Stems very prickly with stiff, needle- like prickles 2-4 mm. long. "Berries" poor to fair in quality. Sterile fields, thickets. Rare. ALLEGHENY BLACKBERRY Rubus allegheniensis Leaves velvety beneath. Stalk of fruit (flower) clusters hairy and with numerous stalked glands. Mature plants mostly 1-2 meters high. "Berries' of good quality. Roadsides, old fields, cut over woods. Common. BIGELOW BLACKBERRY Rubus semisetosus Like Vermont Blackberry but leaves clearly hairy or velvety beneath. Mature plant less than 1 meter high. â Berries' undeveloped or poor in quality. Thickets, open fields. Rare. PENNSYLVANIA BLACKBERRY Rubus pensilvanicus Stems with about 2 or fewer prickles per cm. Prickles mostly 2-4 mm. long. Stalks of fruit (flower) cluster hairy, essentially glandless, with mostly 1-2 leafy bracts. Mature plants mostly 1-2 meters high. 'Berries' fair to good. Thickets, roadsides, swamps, woods. 100. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Angelo, Ray, 1948-; Angelo, Ray, 1948-. Cambridge, Mass. : Concord Field Station, Museum of Comparative Zoology, Harvard University
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Photo credit: © The Book Worm / Alamy / Afripics
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Keywords: ., bookcentury1900, booksubjec, booksubjectbotany, booksubjectshrubs
