(399) 
23. Embryo and endosperm. XX 184. Endosperm somewhat disinte- 
grated, 
24. Embryo. XX 440. 
Melothria pendula (PLATES 59 AND 60). 
25. Megaspore-mother-cell. - of inner integuments, 72. > 4qo. 
26. Four-celled embryo-sac. 
27. i elias near maturity. aie: 
28. Embryo and endosperm. X 440. 
29. Ditto, atigutly later. XX 440. 
o. Embr 
ryo. 4 
31. Smabey: of 14 to 16 cells. X 440. 
32-34. Embryos of various stages. Magnified 440, 324 and 184 times re- 
spectively. 
Apodanthera undulata (PLATE 60). 
35. Definitive embryo-sac. > 440. 
36. End hairelai showing eae: x 440. 
37-38. Embryo: 440. 
g. Apex of ee pollen-tube, embryo and endosperm. Haustorial 
extension of endosperm 184. 
40. Embryo of 39, enlarged. XX 440. 
41. Anatomical relations of nucellus, embryo and endosperm. X 30 
. Apical region of radicle of young embryo, showing some differentia- 
tion of root-cap and dermatogen. 184. 
43. Same embryo showing region, from which stem apex is formed- 
184. 
43a. Schematic representation of same embryo. 
Bryonopsts laciniosa erythrocarpa (PLATE 61). 
Apex of nucellus showing primary sporogenous cell. X 312. 
- Siete. later. XX 312. 
46. Megaspores, ceaees one longest. XX 312. 
47. Two-celled embryo-sac. 440. 
48. Embryo-sac i. eight cells before migration of polar nuclei. >< 440. 
49. Embryo-sac near definitive stage. Starch-grains abundant. 
o. Embryo-sac after fertilization. Odspore and endosperm with scattered 
starch-grains. 440. 
Embryo and contiguous endosperm. > 440. 
Trichosanthes Anguina (PLATE 61). 
52. Apex of nucellus showing archesporial cell. > 440. 
53. Primary sporogenous cell and tapetal layers. >< 440. 
54. Concluding stage in second division of the sporogenous cell. Divi- 
sions apparently suppressed in the other c 440. 
Megaspore. Non-functional ones represented by black mass. & 440. 
56. Embryo-sac showing starch content. 4o. 
57. Two-celled embryo and upper portion of eae: X 440. 
58. Four-celled embryo. X 440 
