A LIST OF THE ABBREVIATIONS AND SIGNS USED. 



Cult. Culture and propagation. 

 Clt. Cultivated since. 

 Fl. Flowering. 

 Tr. Tree. 

 Sh. Shrub. 

 PI. Plant. 

 Far. Variety. 

 cl. climbing. 

 tw. twining. 

 /*. foot or feet. 

 fl. floating- on water. 

 tr. or trail, trailing. 

 pr. procumbent. 

 Lin, syst. Linnsean system. 

 Hort. or Hortul. signifying of the gardens or of 



gardeners. 



Sect. Section, a division of species. 

 v. s. herb. Lamb. See Specimen in the Lamber- 



tian herbarium. 

 I. c. in loco citato, signifying in the place or work 



cited above. 



D. Dry, succulent plants requiring a dry atmosphere. 



S. Stove or hothouse. 



G. Greenhouse. 



F. Frame. 



H. Hardy. 



W. Aquatic. 



B. Bog. 



Tj . Tree or shrub. 



y. . Perennial herbaceous. 



$ . Biennial. 



O- Annual. 



lw) . Climber. 



< ~ 1 . Twiner. 



f Doubtful, not ascertained. 



?. Expresses a doubt. 



Indicating subsections or divisions of orders, genera, and 

 species. 



* Stars indicate divisions of species founded on slight cha- 

 racters. 



a 2 



