SPUING FLORA OF MANHATTAN. 



Compound 



Stamens as many as petals and alternate. 



Herbs, flowers irregular Violaceae 44 



Woody plants. 



Leaves simple Celastracrac 37 



Leaves compound. 



Ovary 1-celled Anacardiaceae 36 



Ovary 3-celled Staphykaceae. 38 



Stamens more numerous than petals, or only 2. 

 Flowers irregular. 



Sepals 2; petals 4; stamens 6 Papaveraeeae 25 



Petals 4; stamens usually 7 Hippocastanaceae 40 



Flowers regular. 



Stamens 10; petals 5. 

 Ovary 5-celled. 



Leaves simple Geraniaceae 32 



Leaves 3-foliate Oxalidaceae 33 



Ovary 1-celled Caryophyllaceae 21 



Stamens 6 (or 2); petals 4. 



Ovary 1-celled Cnpparidaceae 27 



Ovary 2-celled Cruciferae 20 



B. Ovary inferior. 

 Shrubs. 



Leaves opposite; petals 4 Cornnceae 47 



Leaves alternate; petals 5 Saxifrogaceae 28 



Herbs. 



Petals 4 Oenotheraceae 45 



Petals 5; flowers in umbels Umbellifeme 46 



II. Corolla and sometimes calyx absent. 

 Flowers unisexual; one or both sorts in catkins or heads; trees or shrubs. 

 Staminate flowers in catkins; pistillate single. 



Leaves simple Fagaeeae 12 



Leaves pinnate Juglandaeeue 9 



Both kinds in catkins or heads. 



Ovary 2-ovuled; anthers 1-celled Betulaceae 11 . 



Ovary 1-ovuled; flowers in heads Platanaceae 29 



Ovary 1-2-ovuled; flowers in short catkins; anthers 2 celled, 



Moraceae 14 



Ovary, many ovuled Salieaceae 10 



Flowers not in catkins. 

 Trees or shrubs. 

 Ovary not lobed. 



Leaves simple Ulmaceue 13 



Leaves pinnate Oleaceae 49 



Ovary 2-lobed Aceraceae 39 



Ovary 3-5-lobed; leaves pinnate Rutnceae 34 



Herbs. 



Ovaries several Ranimculaceae 23 



