••SS ICOSANDRIA. 



spending number of seeds. Sprrcea, nearly 

 allied to it, stands here, most of its species 

 having five styles, though some have a 

 much greater number; see Engl. Bof, 

 t. 284, 96'0. Mesemhrijanthemum^ a vast 

 and brilliant exotic genus, of a succulent 

 liabit, abounding in alkaline salt, and a 

 few genera naturally allied to it, make up 

 the rest of the order. 



3- Tohjgijma. An entirely natural order of 

 genuine Rosaceous flowers, except possibly 

 CaJjicantlius, Here we find llosa, EngL 

 Bot. t. 187,990—2; Ruhus, ^.826,827, 

 716; Fragaria, t, 1524; Pofentilla, f. 88, 

 89,862; Tormeiitilla, t. 863,864'; Geim, 

 f. 106; Dn/as, t, 451 ; and Comarum, 

 t. 172 : all elegant plants, agreeing in the 

 astringent qualities of their roots, bark and 

 foliage, and in their generally eatable, 

 always innocent, fruit. The vegetable 

 kingdom does not afford a more satisfac- 

 tory example of a natural order, composed 

 of natural genera, than this; and Linnaeus 

 lias well illustrated it in the Flora Lap- 

 ponica. His genus Tormentilla, differing 

 from Fotentilla in number of petals and 



