LINNEAN CLASSES, 37 



Class II, DiANDRiA (3ig, twice), with two stamens to each 

 flow^er. 



III, Triandria (roig, thrice), with three stamens.^ 



IV, Tetrandria (TSTQie, four times), witli four stamens^\ 

 V, Pentandria (ti£vt£, fivo), With five stamens^J 



VI, Hexandria (£§, six), with six stamens. ; 

 VII, Heptandria (cTTTft, seven), with seven stamens. 

 VIII, Octandria (oy.Tu, eight), with eight stamens. 

 IX, Enxeandria {^Eyvea, nine), Mdth nine stamens'; 

 X, Decandria (dexu, ten);- with ten stamens... 

 XI, DoDECANDRiA (dwSsHu, twelve),t^with twelve stamens. 

 2d. Position. The next two classes depend upon the posi- 

 tion of tlie stamens, i— the stamens being free and equal. 



XII, IcoSANDRiA (siy.oai, twenty),- includes those genera 

 of plants which have twenty or more stamens to 

 the flower, seated on the calyx (perigynous). 



XIII, PoLYANDRiA {noXv;, many), twcuty or more stamens, 

 ^ seated on the receptacle (hypogynous)J. 



3d. Relative letigth. The two following classes are founded 

 upon the relative length of the stamens, togetlier with their 

 number. . 



XIV, DiDYNAMiA {8i;, twice, 8vbi, two, vr^ua, a filament), 



\ includes plants with four stamens, of wliich two 



are long, and two are short.; 



XV, Tetradynamia [tetqu, four times, 8vm, »'?//,/«), u-ith six 



stamens, of wliich four are long, and t^\-o are shorty 



4th. Connection. The five succeeding classes' depend upon 



the connection of the stamens, in various ways.) 



XVI, Monadelphia (.Movof, uSelifo:, a brother), ■includes 

 plants with the filaments united into one set or' 

 fraternity. 

 XVII, Diadelphia {8v(o, ix8el(pog),.'xa.io two sets or fraternities, j 

 XVIII, Polyadelphia [nolvg, a8eX(foc), into many sets or fra- 

 ternities. ) 

 XIX, Syngenesia, ((Tvr, together, yereatg, origin), stamens 

 united by their anthers, into a tube.) 

 XX, Gynandria {yvvtj, ^57, note, a>'»?o); stamens consoli- 

 dated with the style. 



