l-i'I h'lKi.i) M.sxi'Ar. 



i'>4. I""ruit not a niodified cone, but a true l)erry. <»•"). 



(i.j. Berry-like drupe usually red <>r yellowish, with 4-? 



bony or crustaceous nutlets. Ilex. (36). 

 <)•"). Berry-like drupe l)lack. with 2-4 seed-like nutlets. 



Rhamnus. (34). 

 tio. Berry very saponaceous, dark; seeds 1-3, crustaceous. 



globose. Sapindus. (38). 

 Go. Berr}^ black, with 1 erect, shining seed. Bumelia. (69). 



65. Berry dark blue with 1 seed, i-i in. in diameter. 



Persea. (15). 



66. Fruit large, usually 2 in. or more in diameter ; stone or 



nut deeply pitted, corrugated, or sculptured, usually 

 1} in. or more long. 67. 



66. Stone not deeply pitted, corrugated, or sculptured, not 



more than f in. long; if reticulated, then less than ^ 

 in. long. 68. 



67. Flesh of fruit black or greenish, hard, with strong 



odor; seed in the nut much wrinkled. Juglans. (62). 



67. Drupe pubescent, its flesh sweet ; seed in the stone 



smooth. Amygdalus. (28). 



68. Drupe white-waxy, less than i in. in diameter, glo- 



bose, tuberculate. Myrica. (63). 



68. Drupe not white-waxy, if somewhat resinous then much 



larger. 69. 

 6!). Fruit superior, showing only a style or its scar at the 

 tip but usually the remains of a calyx below. 70. 



69. Fruit inferior, showing sepals, petals, and stamens or 



their remains or scars at the tip. 75. 



70. Drupe with red acid hairs, small. Rhus. (42). 

 7". Drupe light gray, small, stone striated. 



Toxicodendron. (43). 



70. Drupe not with red acid hairs nor gray with striated 



stone. 71. 



71. Drupe narrowly t^blong. about 1 in. long. 



Forestiera, (75). 



71. Drui)e globose, oval, or globose-oblong. 72. 



72. Stone ridged and reticulated, showing prominent teeth 



in cross-section. Celtis. (50). 

 72. Stone smooth, or if somewhat roughened then with a 

 prominent suture all around. 73. 



