06 The New York State College of Forestry 



FRUIT KEY TO THE SPECIES — (Continued) page 



73. Fruits in lateral sessile umbels, rarely solitary; flesh thick and succulent. .74 



74. Flesh sweet or but slightly acrid Prunus avium 255 



74. Flesh perceptibly acidulous Prunus Cerasus 257 



75. Fruit aggregate, arising from the pistils of a single flower 76 



75. Fruit multiple, arising from a cluster of flowers 78 



76. Fruit a cone of imbricated indehiscent carpels (samaroids) 



Liriodendron tulipifera 221 



76. Fruit a cone-like cluster of coherent follicles 77 



77. Fruit oval or irregular, about 2 inches long; follicles scarlet 



Magnolia virginiana 217 



77. Fruit ovate to oblong, 2|-3 inches long ; follicles dark red 



Magnolia acuminata 219 



78. Fruit fleshy and more or less succulent at maturity 79 



78. Fruit dry at maturity 83 



79. Fruit subglobose to globular 80 



79. Fruit oval-oblong to cylindrical 82 



80. Fruit 3-5 inches in diameter, yellowish green Madura pomifera 209 



80. Fruit 1 inch or less in diameter 81 



81. Fruit dark blue and glaucous, j-^ of an inch in diameter 



Juniperus virginiana 105 



81. Fruit reddish, about f of an inch in diameter Broussonetia papyrifera 211 



82. Fruit purple, l-lj inches long, succulent and edible Morus rubra 213 



82. Fruit white or pinkish, 2/5-4/5 of an inch long, rather dry and 



insipid Morus alba 215 



83. Fruit subglobose to globular 84 



83. Fruit more or less elongated 86 



84. Fruit a cone, about j of an inch in diameter; scales peltate 



Chamaecyparis thyoides 101 



84. Fruit a head, f of an inch or more in diameter 85 



85. Head consisting of many beaked woody capsules; abortive seeds resembling 



sawdust Liquidambar Styraciflua 227 



85. Head consisting of many achenes, each with a basal ring of hairs 



Platanus occidentalis 229 

 86. Fruit a cone-like aggregate of saccate involucres, resembling the fruit 



of the hop Ostrya virginiana 157 



86. Fruit a cone of imbricated scales 87 



87. Cone-scales trilobed, each subtending 3 winged nutlets 88 



87. Cone-scales not trilobed, each subtending 1-2 winged seeds 92 



88. Cone oblong-ovoid to ovoid-cylindrical 89 



88, Cone cylindrical 91 



89. Cone slender pedunculate, maturing in the early summer; wing broader than 



the nutlet Betula nigra 165 



89. Cone short pedunculate, maturing in the autumn; wing not broader than 



the nutlet .90 



90. Cone-scale puberulous; wing narrower than the nutlet Betula lutea 163 



90. Cone-scale glabrous; wing as broad as the nutlet Betula lenta 161 



91. Cones about f of an inch in length, spreading or pendant. . Betula populifolia 167 



91. Cones 1-2 inches in length, drooping Betula alba, var. papyrifera 169 



92. Cone maturing the first season 93 



92. Cones maturing the second season 99 



93. Cones erect or ascending 94 



93. Cones pendant 96 



94. Cones ^-f of an inch long; cone-scales persistent 95 



94. Cones 2|-4 inches long; cone-scales deciduous Abies balsamea 97 



95. Cone-scales nearly orbicular; seeds terminally winged Larix laricina 89 



95. Cone-scales oblong; seeds laterally winged Thuja occidentalis 103 



96. Cones |- f of an mch long Tsuga canadensis 99 



96. Cones j-2| inches long 97 



97. Cones cylindrical Picea canadensis 91 



97. Cones ovate to ovate-oblong 98 



98. Cones brown or reddish brown, lustrous Picea rubra 93 



98. Cones grayish brown, dull Picea mariana 95 



