IN CEYLON. 
207 
Plate V. —Longitudinal section of (17) D. quœsita showing streaked 
heartwood of varying width, transverse section of (18) D. Gardneri, 
longitudinal and oblique sections of (19) D. Montana, and (20) D . 
Embryopteris. 
Plate VI. —Nat. size. (1 -4 s ), 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. quœsita ; 
(5) female flowers, young and mature ; (6) seed showing transverse 
striæ 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. ooearpa ; (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. Melanoxylon ; 
(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 seé Part 1, 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. 
