950 CXVIL, CYCADER, [ Cycas. 
unknown in the grea ority of the Australian specimens. I have only seen tw 
both i in F. Mueller 8 vcra ; in both the scales are much smaller than in the cae 
cies. one, belonging to Hull's Escape “Cliff pure they are rather narrow, 
1 
in 
1 to ui in. long, an the anther- -cells cover rather less of the under surface, not reaching 
to the ,and ceasing rather lower down. ese were descri y Miquel as his 
e gracilis, but there are no leaves with them. In the C. gracilis of our gardens, the 
ds are small with the rhachis s furfuraceous. In Castlereagh bay specimens 
similar small leaves are slightly wo ubescent; in almost all other specimens the 
- aves are very glabrou e have female cone-scales of several specimens 
varying much in the number of ovules or seeds they bear, 2 argi 
I am quite unable to connect thes nr kane with any characters vable from the 
leaves. Iti ed on resident botanists in tropical otra carefully to 
co to match with accu al emale cones with the s of all these 
species or varieties of Cycas, in order to determine their systemic va 
2, MACROZAMIA, Min. 
on the under side, with several parallel equal veins, the who'e le 
RERUM: slightly twisted in some species, but not constantly so in 
any one. 
The genus is limited to ined d there represents the South African Ence- 
rios, with which F. Mueller proposes to reunite it. The latter e! has, ae 
ever, a much more rigi ie ed very bid or truncate cone-scales, which, togethé 
with the geographical distribution, s to warrant the following Mique bl 
Candolle, in maintainin o genera as distin Still less does it seem advisa ea 
again to reduce these Ola World forms to the American genus Zamia, haracterized 
the articulate attachment of t æ as well as he cones. It owever, a mue f 
ul: tter to characterize the species of Macrozamia. With regard to two 9 
. Paulo-Gulielmi, there can be no doubt, but the T^ 
ainder are very puzzling; for although we pare at ^ Mie appa rently distin 
forms of fructification, and at least, twice as many marked form f foliage, ne d 
ery bona matched with c eino in our wild specimens, and ver | fov have produc it 
consen our garden collections. Thus, after having spent "much time over the genus, 
ve really foe variable species, or what number from to re or less wei 
stantly di Most if not all the Macrozamie when very jas have their le ó, 
(— deniclate at the end, as fa sented by yor Monogr. Cy 
r the n of Encephalartos trident 
Pio nne very narrow, bier nearly terete. idi small, rarel - 
above 4 in. Fruit v Wool. : J . 1. M. Paulo- Gulielmi. 
Pinnæ "flat, inserte x i i margins of the rhachis, e on- 
tracted at the base, the larger ones usually above 3 lings 
broa nes e: io 10 in., glabrous. ‘Trunk glabrous or 
rarely loosely 
Rhachis of the rires. usually raised rid rin between 
the run one-sc = wma cv 
Eastern species, the inse iun — san 
tudinal. . Points of the arc of the pi short . 2. M. spiralis. 
