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(二)各科分种检索表 (为了便于查索,科号按科名拉丁字母顺序编排) Ⅰ.裸子植物门 Gymnospermae 1.银杏科 Ginkgoaceae 鳞芽,侧芽单生,有顶芽;叶迹2个并生;双迹单叶隙,有长枝及距状短枝,枝、芽无毛;乔木……银杏 Ginkgoa biloba L.(图8) 2.松科 Pinaceae 有长枝及距状短枝;有顶芽,芽鳞复瓦状排列,枝、芽无毛;叶迹1个;乔木。 1.芽卵状球形,红褐色,芽鳞先端钝圆形;小枝浅褐色,明显被白粉……日本落叶松 Larix kaemferi(Lamb.)Carr. 1.芽卵形,灰褐色,芽鳞先端刺尖形;小枝淡灰褐色,无白粉……金钱松 Pseudolarix kaempferi Gord.
(B) the sub-species of the search table (in order to facilitate the search, Section number according to the Department of Latin alphabet order) Ⅰ. Gymnosperm gymnospermae 1. Ginkgoaceae Ginkgoaceae scales buds, lateral buds single, A single leaf gap, with long branches and distance spur, branches, buds glabrous; trees ... ... Ginkgo biloba L. (Figure 8) 2. Pinaceae Pinaceae long branches and short branches Buds, bud scales tile-like arrangement, branches, buds glabrous; leaf trace 1; arbor. 1. Buds ovate-globose, reddish brown, bud scales apex obtusely rounded; branchlets pale brown, apparently white powder ... Japanese larch Larix kaemferi (Lamb.) Carr. 1. Buds ovate, taupe, Spiky; branchlets grayish brown, white powderless ... Pseudolarix kaempferi Gord.