ARTIFICIAL KEY. 



Stamens or Anthers 6. 



Note. — Many plants of which the stamens are normally 5, occasionally 

 have 6 stamens. Vide also the following : Saraca St. 3-8. Schleichera St. 

 4-8. Salix St. 4-10. Symphorema St 8-6. 



Dicotyledons.— 



I. Perianth simple, or of two or more .whorls but not 



distinctly differentiated into calyx and corolla. 



A. Perianth regular. 



Herbs with ochreous stipules and fls. Polygonaceae 

 in spikes. St. 5-8. ... (p. 383) 



Climbers with palmi-nerved leaves 

 and small flowers with several floral 



whorls, of which inner may be Menispermaceas 

 petaloid ..... (p. 147) 



Trees or shrubs. 



Stamens central or below the pistil- Euphorbiaceas 

 lode. Fls. 1-sexual ... (p. 209) 



Stamens perigynous. Anthers open- Lauraceas 

 iDg by lids .... (p. 150) 



B. Perianth irregular. Stamens 



united into a column with the Aristolochia 

 style (p. 384) 



II. Flowers with distinct calyx, and corolla 



A. Stamens free. 



Herbs. Stamens 4 long and 2 Craciferaa 

 short (p. 155) 



Herbs. Stamens equal on a gyno- Capparidaceae 

 phore (p. 155) 



Shrub with yellow racemose flowers 

 and spines. Anthers opening by 

 lids . . . . , Berberis (p.149) 



109 



