Principal Abbreviations employed in this Volume. xxi 



Pall. — Pallas, (Peter Simon.) Flora Rossica, 1784. 



Pers. Sgn. — Persoon's, (Chas. Henry) Synopsis Plantarum seu Enchiri- 

 dion Botanicum, 2 vols. 1805. 



Pet. TA.— Petit Thouars, (Du.) 



Pet. Th. gen. madag. — Petit Thouars, (Du.) Genera Nova Madagascarensia. 



Plenck. icon. — Plenck, (Jos. Jac.) Icones Plantarum Medicinalium, 1803, 

 et seq. 



Plum, et Burm. — Plumier, (Chas.) and J. Burmanno. Plantae Americanse. 



Plum. fil. — Plumier. Traite des Fougeres de I'Amerique, 1705. 



Pluk. aim. — Plukenet, (Leonard) Almagestum Botanicum, 1796. 



Pohl. pi. iraj.— Pohl's Brazilian plants. 



Poir. diet. — Poiret. Encyclopedie methodique Dictionnaire de Botanique. 



Pourr. — Pourret. A French botanist. 



Pros. Alp. uEgypt. — Prosper Alpinus, de Plantis ^gypti liber, 1592. 



Raddi. — Raddi, (Joseph.) An Italian Cryptogamic botanist, and traveller 



in Brazil. 

 Rafin. — Rafinesque, (C.) A modern writer on Botany. 

 Ramat. — Ramatuelle. 



Red. pi. HI. — Redoute, (P. J.) Les Lillacees, 1802. 

 Rees' Cyclop. — Rees' Cyclopedia. 

 Reichenb. — Reichenbach, (Lodov.) 



Retz. obs. — Retzius, (And. J.) Observationes Botanicse, 1774. 

 Rheed. auct. — Rheede. Author of Hortus Malabaricus. 

 Rich. cat. h. med. — Richard, (Louis Claude) Catalogue; Hortus Medicus. 

 Rich. {A.) — Richard Achille, son to L. C. Richard. 

 Richt.—VJichter, (Geo. Gott.) 

 Risso and Poit. — Risso and Poiteau. 

 Rohr skrift. naturh. selkh. — Rohr in " Skrifter af Naturhistoire Selskabet" 



of Copenhagen. 

 Rom and Sch. — Roemer, (Joh. Jac.) and Schultes, (Joh. Aug.) Authors 



of Linnsei Systema Vegetabilium. 

 Roth nov. spec. — Roth, (Alb. Will.) Novae Plantarum species praesertim In- 



dise Orientalis. 

 Rottb. nov. act. hafn. — Rottboli, (C. F.) Descriptiones et Icones Plantarum 



rariorum. Hafniee, 1773. 

 Rottl. — Rottler, (Dr.) of Tranquebar. 



Roscoe. — Roscoe. An English botanist and writer upon Scitaminese. 

 Royle, 111. — Royle's Illustrations. 



Roxb. Coram. — Roxburgh's Plants of the Coast of Coromandel. 

 Roxb. fl. ind. ed Carey. — Roxburgh's Flora Indica, edited by the. Rev. Dr. 



Carey. 

 Roxb. H. Bengl. — Roxburgh's Hortus Bengalensis. 

 Rudg. — Rudge, (Edw.) An English writer on Botany. 

 Rumph. Amb. — Rumphius, (G. Ev.) Herbarium Amboinense. 



