14d ANALYTICAL KEY. 



* * * Shrubs or trees; leaves alternate, entire {except in the last). 



Calyx tubular, bearing the stamens; akene tailed Rosaceae, 49 



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



Calyx 4-5-cleft, gi'eenish; fruit cherry-like Rhamnaceae, 35 



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



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



* * * * Trees ; leaves opposite, pinnate. 



Fruit a slender samara Oleaceae, 73 



Fruit a double samara Sapindaceae, 37 



***** -4 half-woody climber; leaves opposite. — Clematis, 16. 

 CLASS II.— ENDOGENS OR MONOCOTYLEDONS. 



A. Periantli adherent to the ovary (ovary inferior). 



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



Flowers regular. Stamens 3, anthers extrorse IridaceaB. 110 



B. Perianth free (ovary superior). 



Flowers in whorls. Carpels 8 to many , Alismaceae, 108 



Pistil 3-celled; stamens 3 to 6 Liliaceae, 110 



Flowers greenish in a spiko Triglochin in Alismaceae, 108 



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



Vistil 2-celled; red flowers in an umbel CUntonia, 119 



