- relatives of the Abieteae. 
104 BOTANICAL GAZETTE 
masses are generally present in the mature archegonium, one # 
contact with or surrounding the egg nucleus, the other near the 
base. 
10. The ventral canal nucleus is not separated from the pe 
toplasm of the egg by a membrane. It persists for some tit 
after fertilization and probably assists in nourishing the embry®. 
11. The pollen tube enters the archegonium to discharge 
contents. 
12. Four divisions of the fusion nucleus occur before «# 
walls are formed. 
13. The proembryo consists of three tiers of cells, the = 
two of fourteen each, the lower of one cell containing two 
14. A heavy cellulose plug is formed between the eae 
_and the rosette. 
15. The suspensors may separate and several — 
_ develop from one archegonium. 
|) 16. The Podocarpeae are oie as the nearest I : 
- a LITERATURE CITED. 
Anxoxn, W. Die Patwicklang des Endosperms bei i de 
(B rage zur Morph. des Gymn. I.). Bull. des Nat. de 
"80. (Separate, 13 pp. 2 pls -] 
oe : eutsch, bot. Gesell. 11: 196-201. P/. 72. 1893- 
a Raearnippen Re jt Oogenesis i in Pinus Laricio. . GAZ, 
o “Counrer, J. M, i; and Popa c. jez Morphology o 
oo Patt, “New York. : 
___ FERGUSoN, Miss M. Ce we The development of the pollen t 
division of the generative nucleus i in certain ——e Pin 
2 fete beds ee * He Igor. : 
