THE EDITORS MEDICAL BOTANY. 



FIFTEENTH CLASS, TETRADVNAMIA. 



Cuckoo Flower, or Ladies' Smock 

 ( Cardamine pratensis). 



This perennial plant, which be- 

 longs to the Jussieuan order, Cruci- 

 ferce, is a native of Britain, flowering 

 in April and May. The flowers, 

 which are pale purple, or rather 

 purplish white, grow in bundles. 

 The calyx is somewhat gaping and 

 yellowish green ; the corolla has the 

 petals large and slightly notched ; the 

 seed pod opens when ripe with an 

 elastic spring. The flowers are the 

 part used. 



a The six stamens, four long and 

 two short. 

 b The pistil. 



SIXTEENTH CLASS, MONADELPHIA. 



Tamarind Tree (Tamarindus In- 



dica). 



This tree, which belongs to the 

 Jussieuan order, Leguminosce, is a 

 native of the tropics, flowering in 

 April and May. The flowers, which 

 are yellowish, grow in loose bunches 

 of five or six ; the calyx is straw yel- 

 low and four parted; the corolla has 

 three egg-oblong, indented petals, 

 plaited at the margin ; the seed pods 

 contain a pulpy substance (the part 

 used) enveloping the seeds. 



a The three stamens, united by 

 their filaments into one body. 

 b The pistil. 



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