KEY 7 



C 



FAMILY PAGE 



Flowers not in catkins ; alyx present, 



'- - sometimes petal-like. 



(1) Trees of shrubs. 



Flowers not hypogynous ; plants not climbing . 74. Dogwood . . . 175 

 Flowers not hypogynous ; climbing plants . . 24. Dutchman's Pipe 68 

 Flowers hypogynous. 



Style single, not cleft, fruit a key (Fraxinus) 79. Olive .... 189 

 Style single, not eleft, fruit a drupe . . . 38. Laurel .... 95 



Styles 2 or 2-cleft, fruit 1-celled ... . .19. Elm 62 



* Styles 2 or*2-cleft, fruit 2-cellecr ^ . . . . 59. Maple .... 151 



Styles 3, *ach 2-cleft. Ovary 3-celied ... 54. Spurge .... 145 

 ( t2) Herbs. 



Flowers'not hypogynous ; ovary 6-celled . . . 24."Du\hman's Pipe 68 

 ' -. jFlbwers not hypogynous ; ovary l-celled*; flowers 



ia umheKlke clusters 22. Sandalwood . . 67 



Flowers hypogynous. 



(a) Ovary 1-celled. 



^ "Stamens many . . .33. Buttercup ... 83 



Stamens few. 



Stipules sheathing the joints, 25. Buckwheat . . 69 



'4* Stipules wanting. 4* 



-: *,..V^Kather fleshy herbs .."*..!.. 26. Goosefoot . . . 72 

 , V^ot fleshy. **' 



i Ovules oil a free central j^gegpta ; deli- 

 cate, soft-leavedh^bs. (Stellaria) . . 31. Pink .... 77 

 ** Ovule single, coarse herbs 27. Amaranth. . . 74 



(b) Ovafy several-celled. ^C?-** 



Small prostrate herb; leaves spatulate,whorled 29. Ice Plant ... 76 



Stipules present, not sheathing, fy 



..... J- . . . 



Style single ..... J- . . . 21. Nettle .... 66 



Styles 2 ...... ... 20. Mulberry ... 64 



Flowers hypogynous, ovary 3-celled .... 54. Spurge .... 145 



Flowers hypogynous, ovary 5-10-celled; fruit a 



berry .............. 28. Pokeweed ... 75 



