14d ANALTTIOAL KlsY. 



* * * Shruha or trees; leaves alternate, entire [except in the last). 



Calyx tabular, bearing the stamens; akene tailed Rosaoeae, 49 



Calyx 6-parted, yellowish; leaves aromatic Lauraceae, 106 



Calyx 4-5-oleft, greenish; fruit cherry-like Rhamnaceae, 35 



Calyx 3-4-cleft, yellowish; stamens 6-8 Thymelaoeae, 107 



Calyx 5-cleft, bright yellow; stamens 5, united Sterculiaceas, 20 



« • • • Trees ; leaves opposite, pinnate. 



Fruit a slender samara , . Oleacea, 73 



Fruit a double samara Sapindacea, 37 



♦ * » ♦ • 



* A half-woody climber; leaves opposite, — Clematia, 16. 

 CLASS II.— ENDOGENS OR MONOCOTYLEDONS. 



A. PeriaDth adherent to the ovary (ovary inferior); 



Flowers irregular. Anthers 1 or 2 on the pistil Orchldaoeas, 108 



Flowers regular. Stamens 3, anthers extrorse Iridac ese. 110 



!B. Perianth free (ovary superior). 



Flowers in whorls. Carpels 8 to many Alismaceae, 108 



N^Pistil 3-oelled; stamens 3 to 6 Liliacese, We 



Flowers greenish in a spiko TrlijhcJiiii in Alismaceae, 108 



Perianth 4-parted; stamens 4. Stem 2-3-leaved Maianthemwm,, 115 



?istil 2-oelled; red Sowers in an umbel Clintonia, 119 



