X SYNOPSIS OF ORDERS AND FAMILIES, ETC. 



Family 15. Hamamelidaceae (Page 142) 



Flowers perfect or unisexual ; sepals 4, petals 5 (apetalous in 

 Liquidambar); ovary partly inferior ; fruit a 2-celled woody capsule, 

 dehiscent at the top; leaves alternate, simple, deciduous, with 

 stipules. 



Family 16. Eueommiaceae (Page 144) 



Flowers without perianth, dioecious; stamens 6-10 on short 

 filaments*; carpels 1 by abortion, with 2 stigmatic lobes at the apes; 

 fruit a samara. Leaves alternate, simple, deciduous, without 

 stipules. The leaves and other parts of the plant with elastic 

 threads. 



Family 17. Lauraeeae (Page 145) 



Flowers perfect or unisexual, apetalous ; fruit a drupe or berry ; 

 leaves alternate, persistent (except Sassafras), with stipules. 



Fa.mily 18. Rosaeeae (Page 163) 



Flowers perfect, sepals and petals 5; ovary inferior in Malus, 

 Sorbus, Crataegus and Amelanchier; fruit usually a drupe or a pome; 

 leaves alternate, simple or compound, deciduous or persistent, with 

 6tipules. 



Family 19. Leguminoseae (Page 176) 



Flowers perfect, regular or papilionaceous ; fruit a legume ; 

 leaves alternate, usually compound, deciduous or persistent, with 

 stipules. 



ORDER GERANIALES 



Flowers cyclic, with sepals and petals, or without petals, rarely 

 naked, mostly 5-merous; stamens coherent at the base; ovary superior; 

 carpels 5-2 (rarely more) whorled, usually separating from each other at 

 maturity, mostly with 2-1, rarely more, ovules; ovules pendent, anatro- 

 pous, with ventral raphae and the micropyle directed upwards. 



Family 20. Rutaceae (Page 190) 



Flowers perfect, regular ; fruit a fleshy drupe or berry, a capsule 

 or druplets. Leaves alternate, compound or simple, glandular 

 punctate, persistent, rarely deciduous. 



