to the Genera.] 
XXI._—MONG@CIA. 143 
stamens connate in one or in 4-5 phalanges, ovary 
with ar l-ovuled; fruit indehiscent; leaves 
oppo reinia. 
}Pe oe pia in a salver-shaped sorties leaves 
142 604. Cordi 
seus te [p. 
+Ovary not more than 2-3-locular, or if (Quercus rarely) 
4-5-locular the male flowers in catkins :—[p. 142] 
sta 
mens 6-12; cells ee ovary sora 
Involuere of bracts not armed ; nut satis rarely 
uite enveloped 877. Quercus. 
Involuere of  heenate armed with spines; nuts often 
2.or more, usually quite schinaterrn 
8. Castanopsis. 
Male a. not in c 
"| Ova: 
atkin 
y 2-3-, — ielestoentil ovules 2 or 1 
lus :—{p. 149 
in oc loculu 
Flowers sanseaiaies: -moncecious, many males (con- 
sisting of each a solitary pedicelled stamen) 
surrounding a single central 3-carpelled pedi- 
celled female, all enclosed in a pseudo-calycine 
involucre ; perianth proper 0, or rarely of 1-3 
minute scales at the joint between pedicel and 
flower; cells of ovary J-ovuled ; herbs, shrubs, 
or trees with milky aa juice :— 
Involucre regular, campanulate or turbinate 
with segm ; up 
Involucre oblique, irregular, slipper-shaped, 
eerie produced | into a spur glandular 
..812. Pedilanthus. 
Flowers pci nee -moneecious ; perianth of sepals 
almost always present, occasionally also a 
see ; stamens ~2-seriate or all in the centre 
va. wer :— 
sv of the outer or only series a 
the sepals, or if stamens all in the centre of the 
flower then the cells of the ~gegeghs ed 
ovary each 2-ovuled; petals when present 
small or minute; sepals — inflores- 
cence always lateral or axillary : 45 
