Class IV. TETRANDRIA. Stamens 



4, equal. 



Order I. MONOGYNIA. Pisiill. 



* Flowers monopetaloKs, superior, shigle-seeded. 



65. DIPSACUS. Common Col, of many leaves. Proper 



Col, single, superior, of 1 leaf, cup-shaped, crowning 

 the seed. 



66. SCABIOSA. Com. Cal. of many leaves. Prop. Cal. 

 double, superior, crowning the seed. 



** Fl. monop.^ superior^ 2-seeded. 



70. RUBIA. Cor. bell-shaped. Fruit pulpy. 

 69. GALIUM. Cor. flat. Fr. dry. 



68. ASPERULA. Cor. tubular. Fr. without a crown. 



67. SHERARDIA. Cw\ tubular. Pr. crowned v,ith the 

 calyx, each seed, with 3 teeth. 



*** FL monop.^ inferior. 



71. EXACUM. Coi\ salver-shaped, spreading. Stam. 

 shorter than the limb. Caps, with 2 valves, separating 

 at the top, many- seeded. 



72. PL ANT A GO. Cor. reflexed. ,S/r/w. very long. Caps. 

 bursting all round, of 2 or 4 cells. 



73. CENTUNCULUS. Cor. tubular, spreading. Stam. 

 within the tube. Caps, bursting all round, of 1 cell. 



Siome Gentiance. 



75. EPIMEDIUM. Neat. 4, hollow, lying on the petals. 

 Pod superior, of 1 cell, with many seeds. Cal. de- 

 ciduous. 



76. CORNUS. Nect. 0. Drupa inferior. Nut of 2 cells. 



Cardcnmne. Senehiera, 2. 



