Bergen's botany, key and floraNorthern and central states ed . Utricle tubercles, ora tubercle. Two-lipped, havingthe limb of thecalyx or corolladivided into twolip-like portions,as in the LabiatcE. Two-ranked, withtwo vertical rowson a stem or axis. Unisexual, having in each floweronly stamens or only pistils, notboth. Utricle, a small bladdery ovarywall. Versatile, turning freely on itssupport, as an anther on itsfilament. Whorled, arranged in a circlearound an axis, as the leaves ofsome lilies. Wings, the side petals of a papilio-naceous Zygomorphic Zygomorphic, having bilateral sy


Bergen's botany, key and floraNorthern and central states ed . Utricle tubercles, ora tubercle. Two-lipped, havingthe limb of thecalyx or corolladivided into twolip-like portions,as in the LabiatcE. Two-ranked, withtwo vertical rowson a stem or axis. Unisexual, having in each floweronly stamens or only pistils, notboth. Utricle, a small bladdery ovarywall. Versatile, turning freely on itssupport, as an anther on itsfilament. Whorled, arranged in a circlearound an axis, as the leaves ofsome lilies. Wings, the side petals of a papilio-naceous Zygomorphic Zygomorphic, having bilateral sym-metry, as the corollas of manyLegiuninosoe. INDEX All names in italics are synonyms,—the preferred names are in Roman type Abies, 17Abutilon, 158Acanthacete. 224Acanthus Family, 224Acer, 151, 152Aceracese, 151Achillea, 240Aconitum, 90Acorus, 25ActcTsa, 90Acuan, 129Adders-Tongue, 37Adlumia, 98Adopogon, 250vEsculus, 153Agrosteninia, 79Aizoaceffi, 70Alder, 58Alfalfa, 135Alisma, 21Alismace?e, 21Allegheny Vine, 98Allium, 34Alnus, 58Alshie, 78Alum Root, 110Alyssum, 101Amaranth, 74Amaranth Family, 74Amaranthacefe, 74Amaryllidacete, 43Amaryllis Pamily, 43Amelanchier, 117AmiantIlium, 33Amorpha, 136Amsonia, 193Anacardiacea% 148Anagallis, 187Androsace, 185Anemone, 87 Anemone, Rue, 80Anemonella, 80Angiosperms, 20Anonacea3, 94Anthemis, 247Antirrhinum, 218Apocynacete, 192Apocynum, 193Apple, 117Aquifoliacefe, 149Aquilegia, 89Arabis, 100Arace?e 24,Aralia, 170Araliacete, 169Arbor Viti^, 18Arbutus, Trailing, 182Arctostaphylos, 182Argentina, 119Aris8enia,


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectplants, bookyear1908