004050000a22001330004500060000800000082001900008100002000027245012600047250000600173260004500179260000900224300000800233650003000241  a100  a582.130 12 POO  aPool, Raymond J  aFlower and flowering plants: an introduction to the nature and work of flowers and the classification of flowering plants  a2  aNew York, Mc Graw- Hill Book Company Inc  c1941  a428  aFlowers/ flowering plants