(Japan, 1895); Ikeno, Untersuchungen uber die Entwickelting dec Geschlechtsorgane und den Vorgang der J3efruchtung bei Cycas revoluta, Jahr.
Parmelia revoluta, var.
C. circinalis, C. revoluta, &c.) is briefly described.
In Cycas revoluta and C. circinalis each leaf-like carpel may produce several laterally attached ovules, but in C. Normanbyana the carpel is shorter and the ovules are reduced to two; this latter type brings us nearer to the carpels of Dioon, in which the flower has the form of a cone, and the distal end of the carpels is longer and more leaf-like than in the other genera of the Zamieae, which are characterized by shorter carpels with thick peltate heads bearing two ovules on the morphologically lower surface.
(1897); Ikeno, " Untersuchungen fiber die Entwickelung, &c., bei Cycas revoluta," Journ.