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129. Alnus glutinosa.The Black Alder. 1. Twig with leaves, and the gennsof male 

 and female blossoms of the next year. 2. Male catkin in full bloom. 3, 4, 6, f>. A 

 full-blossomed capsule, from different points of view. 7, 8. A feur-lobed single 

 blossom, side and upper points of view. 9. Female catkin, enlarged. 30, 11, V2, 

 13 14, 15, If). Enlarged view of female blossom, with appendages, and the fruit. 

 17. The ripe fruit-capsule, is. The same, opened. i'.. A twie;, with leaf-buds, 

 20. Cross-section of , twig. Of the above figures, only 1, 2, 17, 18, 19, and 20 are 

 of the natural size, the remainder being enlarged. 



