-'. J - _ 1 . 



146 



PLANT^ WRIGHTIAN^ 



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L. 1 



PLATE IX. B. LAPHAMIA HALIMIFOLIA, p. 100. 



FiG. 1. Vertical section of a head, enlarged. 



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2. A ray-flower, magnified. 



3. A disk-flower, magnified. 



4. Corolla of the latter laid open. 



5. A detached stamen, more magnified. 



6. Style of a dlsk-flower, highly magnified 



7. A ripe achenium, magnified. 



'^ 8. Transverse section of the same. 



PLATE X. ZINNIA (HETEROGYNE) ANOMALA, p. 106. 



FiG. 1. A plant with most of the ray-flowers destitute of ligules. 



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2. A branch of the variety with short ligules to all the ray-flowers. 



3. Vertical section of a head of the plant represented in Fig, 1, magnified. 

 4- One of the ray-flowers whoUy dcstitute of coroUa, more magnified, 



5. Another ray-flower from the same head, with a short ligule. 



6. Transverse section of a ray-achenium. 



7. Style of a ray-flower, more magnified. 



8. A disk-flower, magnified, with 



9. The accompanying palca of the receptacle. 

 10. A disk-coroUa laid open, and more magnified. 

 IL A detached stamen, more magnified. 



12, Style of a disk-flower, magnified. 



13, An achenium of the disk, with its subtending palea, transversely divided, magnified. 



14, Summit of a disk-achenium which exhibits a 4-awned pappus. 





EXPLICIT. KAL. J^IAET. MDCCCLII 



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