Bibliography 
Singer, Agricultural History of Dumfries. 
Smith, R., (1) P. Perthshire Soc. Nat. Hist., 1898; (2) 
Botanical Survey of Scotland, North Perthshire, Edin- 
burgh. 
Smith, R. and W. G., Scot. Geog. Mag., 1904 and 1905. 
Smith, W. G., Scot. Geog. Mag., Nov. 1902; Botanical 
Survey of Forfar and Fife. : 
Smith, W. G, and Lewis, Geog. Jour., April 1903. 
Smith, W. G. and Rankin, Geog. Jour., August 1903. 
Somerville, T. Roy. Scot. Arbor. Soc., Jan. 1908. 
Sorauer, (1) see Jour. Roy. Hort, Soc., April 1902, p. goo ; 
(2), Zeits. f. Pf. Krankh., 1got. 
Spalding, Bull. Torrey Club, vol. xxxii. 
Spruce, Notes of a Botanist on the River Amazon, 1908. 
Stahl, Festschrift z. 70th Gebiirtstag v. E. Hackel, Jena, 1904. 
Stahlecker, Just (1), 1905, p. 644. 
Stant, Die Geschichte d. Genus Cinnamomum. 
Stebler and Schroter, The Best Forage Plants. 
Steinbrinck and Schinz, Flora, 1908. 
Stone, Hatch Exp. Si., Massa. Bull., xci., 1903. 
Stopes and Watson, P. and T. Roy. Soc. B., cc., p. 167. 
Suess, Antliss der Erde. 
Svendsen, Just (2), 1906, p. 386. 
Tansley, (1) New Phytologist, vii., Nos. 4 and 5 ; (2) ditto, 
iv., 1905. 
Terras, P. Scot. Micr. Soc., vol. iv. 
Thomas, (1) Annals B., 1902, p. 167; (2) Verh. Branden- 
burg, XCv., 1903. 
Thomson, J. Arthur, Heredity, 1907. 
Thorold, Jour. Linnean Soc., No. 206, 1894. 
Thwaite, Jour. Roy. Hort. Soc., June 1908. 
Timiriaseff, P. Roy. Soc., vol. lxxii., 1903, 1904, p. 424. 
Tischler, Flora, xciv., 1905. 
Tommasina, Com, Rend., vii., Nov. 1904. 
Treub, Warming (1), Schimper (1). 
Tschermak, Ber. d. deut. b. Ges., xxii., 1904, p. 445. 
Tschirch, Flora, xciv., 1905. 
Turnbull, P. S. 6. Edinburgh, vol. xxi., pt. ii. 
Ule, Engler’s B. J., Bd. xl., Heft iv. 
346 
