38 Addisonia 



from which the illustration was prepared was added to the col- 

 lections of that institution in 1916. 



It is readily propagated from seeds, but the seedlings are of slow 

 growth, taking many years to produce a goodly sized tree. The 

 sourwood is of little economic importance ; the leaves, which have a 

 pleasantly acidulous taste, are said to allay thirst when chewed; 

 they are also said to be tonic. The genus contains but the one 

 species. 



George V. Nash. 



Explanation of Plate. Fig. 1. — Portion of inflorescence. Fig. 2. — Flower, 

 corolla removed, X 5. Fig. 3. — Stamen, X 7. Fig. 4. — Fruiting branch. 



