TkKKS of TIIK XokTllKKN L-NMTKH S r \ 1 1> ■il* 



a. Acer. ([]). 

 '22. Leaves o-foliate, pellucid-punctnate. wiilmiu siipule^ 



Sonic RUTACICAIC. 



a. Ptelea. (18). 

 2o. Calyx minute: trees or shrubs with siini)le mosllN' 

 alternate leaves. 1 r.icACKAK. 



a. Ilex. (30). 

 2o. C:ily\ not minute; trees, shrubs, or woody climbers 

 ours uiili opposite leaves and with minute fu- 

 gaceous stipules. Celastraceae. 



a. Euonymus. (85). 



I. I'erfect stamens 4. styles 2; leaves alternate, palmately 

 veined^ and lobed, or if pinnately veined then 2- 

 ranked. Hamameltdaceae, 



See 13 above. 

 i. Stamens ."t, lU, or many; styles 2-5; leaves alternate 

 with stipules. Rosaceae. (Malatae). 

 a. Leaves pinnate. Sorbus. (21). 



a. Leaves simple, b. - 



b. Cavities of the ovulary as many as the styles, c. 



b. Cavities of the ovulary becoming twice as many 



as the styles. Amelanchier. (25). 

 e. Ovules many in each cavity (carpel). Cydonia. (21). 



c. Ovules l-v3 in each cavity of the ovulary. d. 



d. Usually with typical thorns; ripe carpels bony. 



Crataegus. (20). 



d. Without thorns, but some may have thorn-like 



stunted branches; ripe carpels papery or 

 leathery, e. 



e. I eaves sharply and reL;ularly serrate, .ulabrons 



when mature, petit^les lontr; pome with crit 

 cells. Pyrus. (22). 

 e. Leaves irrej.?ularK- dentate or serrate, t.r nn)re or 

 less lobed; pome without s^rit ceJls Malus. (23). 



