Tri.es of tiik Xokthkkx rMiKii States 17 



1"». Bundle soars several, scattered; leaves vvitliout 

 p^lands; buds clustered at the tip (»f the twij?. 



Quercus. (ofi). 



1<t. With stipules ov stipular scars. 17. 



lii. Without stipules or stipular scars; leaves sour, with 

 prominent scattered hairs on the midrib beneath; 

 fruit a capsule. Oxydendrum. (68). 



17. With typical lateral thorns; fruit a drupe-like pome 

 with bon}'' ripe carpels. Crataegus. <26). 



-17. Not with typical lateral thorns, but some may have 

 thorn-like stunted branches. 48. 



48. Leaves with 1 or more disc-like, wart-like, or tooth- 

 like glands on the petiole or at the base of the 

 blade. 4P. 



48. Leaves not with distinct glands on the top of the 

 petiole nor at the base of the blade, but they may 

 be glandular-hairy. oO. 



W. Twigs green, red, or red and green; nectar glands 

 disc-like, usually 2-4 near the base at the edge of 

 the blade; terminal bud present; fruit a velvety 

 drupe. Amygdalus. (28). 



4!>. Glands various; twigs not red and green, some with 

 cleavage planes in basal joints; terminal bud present 

 or absent, fruit a smooth drupe. Prunus. (27). 



■*nK .\xillary buds usuall}^ superposed; leaves lanceolate or 

 oblong-lanceolate, tapering towards the short 

 petiole; fruit a berry-like drupe. Ilex. (3(1). 



•'•<•. .A.xillary buds not superposed. 51. 



M. Leaves with gland-tipped serrations; terminal bud 

 absent on ripe twigs or if present then the lateral 

 veins prominent and nearly parallel and curving 

 upward at the margin of the leaf: fruit a berry-like 

 drupe. Rhamnus. CM). 



•M. Leaves not with gland-tipped serrations, or if so then 

 not as above; terminal bud present; fruit a pome. 52. 



52. Leaves sharpl}' and regularly serrate, glabrous when 

 mature, petioles long; jiome with grit cells. 



Pyrus. (22). 



52. Leaves irregularly dentate or serrate, or more or less 

 lobed; pome without grit cells. Malus. (28). 



