NATURAL HISTORY MISCELLANY. 243 
and pungens, and Fagor hastata in — we have ninety American 
Species. But n this number may be in the future greatly reduced, 
particularly in sees Mexican species, i ws are founded on a limited 
ne of specimens, and with the habitat for the most part not 
state 
copiis attempted the first methodical disposition of the Peet as 
above mentioned, which was after him maintained by Pursh, Nuttall a 
Elliott. In Europe the important character taken from the ripening » 
the fruit was entirely neglected. Only Koch, in ** Flora Germanica," 1837, 
gives notice that Q. Cerris ripened its fruit in the second year. 
Then Spach, in Vol. XI. of his ** Histoire Naturelle des Veg. Phane- 
which is founded on the form and being of the leaves, the cup and 
the ripening. His disposition is thi 
I. DECIDUOUS LEAVES: ESCULUS. 
1. Robur: Leaves sin aa pinnatifid; lobes not bristle-pointed. 
lobes or teeth aad Female flowers often from buds 
ehe esh leaves, and so the fruit lateral on d year’s shoot. 
ration annual. igi of the cup echina 
b. datni: Leaves late deciduous, bec sa ‘yellow! ish and 
brownish; lobes or teeth bristle-pointed. Maturation biennial. 
Scales of ‘the cup short, appressed. 
II. LEAVES PERSISTENT: ILEX. 
6. Suber: Maturation annu 
T. ee: —,, biennial 
A nh T3 
Endlicher ti , only changing 
Cerroides into: Elmobalanus, and while Spach considers only the European, 
Western-Asiatic, and American species, he introduces the Easte rn Asi- 
cuspidata, which forms his —— Chlamydobalanus; the former are 
all in his subgenus Lepidobala 
Gay, in “ Ann. des Sc. Nat., mi Ir pointed out the errors in the above 
e ? 
So the whole group Cerris has the maturation biennial. 
Desf., and hispanica Lam., which Endlicher put as one species under rd 
