1() KEY TO FAMILIES. 



Ovary in ours 2-celled; flowers regular; fruit berry-like or dry, com- 

 monly separating into 2 one-seeded achene-like portions; leaves 



simple; herbs or shrubs Rubiaceae, p. 392. 



Ovary 2 to 5-celled ; (lowers regular or irregular; leaves simple or com- 

 pound; ered or twining shrubs Caprifoliaceae, p. 394. 



Stamens united into a tube around the style. 

 Flowers not in heads; Leaves alternate. 



Stamens 3 ; leaves palmately lobed; tendril-bearing herbs 



CUCURBITACEAE, p. 269. 



Stamens 5; leaves narrow; annual herbs Lobeliaceae, p. 401. 



Flowers collected into a head which is furnished with a calyx-like involucre, 

 the whole to the novice seeming like a single flower; stamens 5, rarely 

 4 ; fruit an achene Compositae, p. 403. 



ABBREVIATIONS. 



ace, according to. Muhl., Muhlenbergia, a journal of 



Co., county; cos., counties. botany. 



Erythea, a journal of botany. no., number. 



ft., foot or feet. 1'L, point. 



in., inch or inches. Zoe, a journal of botany. 



