250 
$ 17. Macrozamia corallipes Hook. 
Material: Bot. Gard. Sydney *. 
The organization of the strobilus and the seed is 
Fig. 1. Macrozamia coral- 
lipes ; seed seen from above, 
ten lobes surrounding the 
micropyle. The sarcotesta 
is peeled off. 
generaily the same as that of the 
above described Encephalartos. 
When the thick sarcotesta is 
peeled from the seed, no ribs can 
be seen on the sclerotesta, but the 
apical region is very remarkable. 
À ring of eight to eleven lobes, 
separated by short but deep grooves 
surrounds the micropyle (fig. 1) and 
thus gives the impression of free 
apical slips of units, entirely fused 
together, forming the integument. 
$ 18. Ceratozamia mexicana Brongn. 
Material: Garden Maastricht *. 
In general shape and organization the seed resembles 
that of Encephalartos and Macrozamia. 
Fig. 2. Ceratozamia mexicana; seeds without sarcotesta, 
showing ribs and ridges around the micropyle. 
On the sclerotesta about eight prominent ribs are found 
