332 VARIABLE DICECISM IN PITTOSPORIIM UNDUCATUM. 



all the plants hut five were lost sight of. These, however, are 

 now jrrowins in the Palace Ground section of the Botanic Gardens, 

 Sydney; they have not yet flowered, but will be kept under 

 observation. I shall endeavour to give Mi". Maiden a fresh 

 supply of similar seed, and it is proposed to continue the 

 experiment. 



For the drawings in illustration, I am indebted to my friend, 

 Mr. R. T. Baker. 



I am placing the illustrative specimens in the National 

 Herbarium, Sydney. 



EXPLANATION OF PLATE IX. 

 Pittosporum undulahim Andr. 



Fig. L— Flowering twig, male tree, siiowing A, normal, not producing seed, 



and B, abnormal flowers which proiluce seed. 

 Fig.2. — Normal male flower showing anthers. 

 Fig.3. — Normal male flower, dissected. 



Fig. 4. — Abnormal seed-produciug flower, male tree, dissected. 

 Fig. 5. —Normal female flower, dissected. 

 Fig. 6. — Intermediate flower, male tree, showing two normal and three 



abortive stamens, corolla removed. 

 Fig 7.— Abnormal flower from male tree, showing short abortive stamens^ 



corolla removed. 

 Fi)y. 1 natural size. Fig.2 slightly enlarged. Figs. 3, 4, and 5 consider- 

 ably enlarged. 



