( 75 ) 



Plate V. Longitudinal section of (17) D. qucssita showing streaked 

 heartwood of varying width, transverse section of (18) D. Gardneri, 

 longitudinal and oblique sections of (19) D. ^lontana, and (20) D. 

 Embryopteris. 



Plate VI. Nat. size. (1-4), D. oppositifolia ; (1) female flower termi- 

 nating young twig ; (2) mature fruit and fruiting calyx ; (3) and (4) 

 male inflorescence and flowers from woody twig ; (5-9) D. qucesita ; 



(5) female flowers, young and mature ; (6) seed showing transverse 

 striae on testa and young seedling stage ; (7) male inflorescences : 

 (8) fruit in longitudinal section (reduced ); (9) longitudinal section 

 of seed showing embryo in situ. 



Plate VII. Nat. size. (1-7), D. oocarpa ; (1) male inflorescences ; (2) 

 section through male flower, showing position of stamens ; (3) mature 

 male flower showing calyx with insignificant segments ; (4) female 

 flower ; (5) fruit showing insignificant straight rimmed calyx ; (6) 

 seed; (7) leaf. (8-14), D. acuta ; (8) male inflorescence ; (9) corolla of 

 male flower ; (10) female inflorescence ; (11) solitary female flower ; 

 (12) corolla of female flower ; (13) fruit with calyx ; (14) pistil from 

 mature flower. 



Plate VIII. Nat. size, except (2) and (4). 



1-5, D. crumenata ; (1) male inflorescence ; (2) section of male 

 flower enlarged to show position of stamens ; from drawings in the 

 herbarium ; (3) solitary female flower ; (4) dissected corolla of female 

 flower showing position of staminodes (enlarged) ; from herbarium 

 drawing ; (5) fruit and recurved fruiting calyx ; (6-9} D. Melanoxylan : 



(6) female inflorescences ; (7) fruits ; (8) male inflorescences ; (9) male 

 flower. 



Plate IX. Nat. size. D. Embryopteris. 1, 2, 3, 4, stages in the 

 development of the female inflorescence showing positions of bracts 

 (for description see Parti, p. 72); (5) mature female inflorescence ; 

 (6) fruit covered with reddish-brown glandular and unicellular hairs ; 

 7, 8, 9, and 10 stages in the development of male inflorescence ; 

 described in Part 1, p. 73-74 ; (11) mature male inflorescence; 12 

 section through male flower showing position of stamens. 



Plate X. Nat. size, except 4 and 10. 1-6, D. affinis ; (1) mature 

 female flower ; (2) fruit showing insignificant calyx ; (3) male 

 inflorescences showing positions of detached flowers; (4) section 

 through male flower showing position of stamens and rudimentary pistil 

 enlarged ; from herbarium drawing ; (5) polygamous inflorescence, 

 median female, and lateral male flowers ; (6) fruit from polygamous 

 tree ; 7-10, D. Toposia ; (7) young and (8) mature male inflorescen- 

 ces ; (9) female inflorescence ; (10) fruit, young, * size of mature 

 specimens. 



