14d ANALYTICAL ZEY. 



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



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



Calyx 6-j)arted, yellowish; leaves aromatic LauracesB, 106 



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



Calyx 3-4-cleft, yellowish; stamens 6-S Thymelaceas, 107 



Calyx 5-clef t, bright yellow; stamens 5, united Sterculiaceae, 20 



* * * * Trees ; leaves opposite, pinnate. 



Fruit a slender samara Oleaceas, 73 



Fruit a double samara Sapiudacese, 37 



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



CLASS II.~ENDOGENS OR MONOCOTYLEDONS. 



A.. Perianth adherent to the ovary (ovarj*" inferior). 



Flowers irregular. Anthers 1 or 2 on the pistil Orchidaceas, lOS 



Flowers regular. Stamens 3, anthers extrorse Iridaceae. 110 



S. Perianth free (ovar}^ superior). 



Flowers in whorls. Carpels S to many Alismaceae, 1 08 



Pistil 3-celled; stamens 3 to 6 , Liliacese, ] 1 



Flowers greenish in a spikn , Trinhchin in Alismaceae, 1 OS 



Perianth 4-parted; stamens 4. Stem 2-3-leaved Maianthcmuri, 1 1 5 



Pistil 2-celled; red flowers in cin umbel CUntonia, 1 19 



