Mr. 1). Don's Monograph of the Genus Saxifrage 431 



Ons. A S. ccespitosd longe discrepal : habitu, foliis creber- 

 rimis appresse imbricatis, petiolis latissime dilatatis, la- 

 ciniis calycinia acutis et petalia obovatis. 



91. S. Bonplandii, pubescens ; foliis congestis 5-fidis tii/i<:ir-.\ <- : 

 segmentis linearibus obtusis, laciniis calycinis taqceolatis 



acutis, petalis obovatis. 

 S. peruviana. Bo upland in Sternb. Saxif. p. 55, /. 2'2. 

 S. alpina. Pavon Mss. 

 Habitat in Andium Peruvianorum suinmis Cordilleras dictis. 



Pavon, Bonpland. 2/ . (v.s. in Herb. Pavon. nunc in Mus. 

 Lamb.) 



Herba densissime crespitosa, pilis brevissimis glanduiiferis 

 confertissimr obtecta. Snrculi l>iv\ i»s, adsrcmlcntcs, rre- 

 bre foliosi. Caides numerosissimi, unciales, erecti, oli- 

 gophylli, glanduloso-tomentosi. Folia radicalia e1 sur- 

 culina congesta, imbricata, quinque- vel tri-partita : seg- 

 menta linearia, obtusa, carnosa, enervia ; caulina infe- 

 riora tripartita : summis simplicibus lineari-lanceolatis. 

 Pctioli brevissimi, lineares. Flores albi, terminales, terni, 

 capitati, subsessiles, rarius solitarii. Calyces obconici, 

 tomento glanduloso dense tecti : laciniie lanceolatae, acu- 

 ta?, rectae. Petala obovata, triplinervia : limbo orbicu- 

 lato, patente : nervis simplicibus; lateralibus inemvis. 

 Stamina stylis longiora ; Jilamenta alba ; antherce flavte. 

 This is the only species of Saxifraga discovered by the illus- 

 trious travellers Humboldt and Bonpland in South America. 

 While in Paris, my esteemed friend M. Kunth, the celebrated 

 editor of the Nova Genera et Species Plantarum, had the kind- 

 ness to permit me to examine the specimens of this plant in the 

 Humboldtian Herbarium. These specimens appeared more dif- 

 fuse and stronger than those of S. alpina (Pavon) in the Lam- 



3 k 2 bertian 



