No. 14.] FLOWERING PLANTS AND FERNS. 459 



Robson. Stephen Robson. England. Author of a British 



flora, published 1777. 

 Roem, Johann Jacob Roemer, 1763-1819. Switzerland. Prof. 



at Zurich. 

 Rostk. Friedrich Wilhelm Gottlieb Rostkovius, 1770-1848. 



Germany. 

 Roth. Albrecht Wilhelm Roth, 1757-1834. Germany. 

 Rottb. Christian Fries Rottboell, 1727-1797. Denmark. Prof. 



of Botany at Copenhagen. 

 Rouy. Georges-C-Ch. Rouy. France. 

 Roxb. William Roxburgh, 1759-1815. India. Director of the 



Botanic Garden at Calcutta. Wrote on plants of India. 

 Rudge. Edward Rudge, 1763- 1846. England. 

 Ruiz. Hipolito Ruiz, 1754-1815. Spain. Joint author (with 



Pavon) of a flora of Peru and Chile. 

 Rupr., Ruprecht. Franz J. Ruprecht, 1814-1870. Russia. 



Curator of the Herbarium of the Imperial Academy of 



Sciences, St. Petersburg. 

 Rusby. Henry Hurd Rusby. United States. Prof., Depart- 

 ment of Pharmacy, Columbia University. 

 Rydb. Per Axel Rydberg. United States. Curator, New 



York Botanical Garden. Author of several monographs, 



floras of Montana and Colorado, etc. 

 Salisb. Richard Anthony Salisbury, 1761-1829. England. 

 Sarg. Charles Sprague Sargent. United States. Prof, of 



Arboriculture and Director of the Arnold Arboretum, 



Harvard University. Author of Silva of North America, 



etc. 

 Sartwell. Henry Parker Sartwell, 1792-1867. United States. 



Student of Carices. 

 Schk. Christian Schkuhr, 1741-1811. Germany. Author of a 



work on sedges. 

 Schlecht. Diedrich Franz Leonhard von Schlechtendal, 1794- 



1866. Germany. Prof, at Halle. 

 Schleich. J. C. Schleicher. Author of a flora of Switzerland, 



1800. 

 Schleid. Matthias Jacob Schleiden, 1804-1881. Germany. 

 Schmidt. Wilhelm Ludwig Ewald Schmidt, 1804-1843. 



Germany. 

 Schneider. Camillo Karl Schneider. Austria. 

 Schott. Heinrich Wilhelm Schott 1794-1865. Austria. 



Director of the Imperial Garden at Schonbrunn. Author 



of a monograph of the Araccae, etc. 



