12 



AllT. d. T. ICHlMUllA ! ON THE FORMATION: OF 



Lead acetate. 



Sodium carbonate. 



Potassium carbon- 

 ate. 



Potassium bichro- 

 mate. 

 Ferric chloride. 



Ferric cliloride + 

 potassium fer- 

 rocyanide. 



Ferrous sulphate. 



Silver nitrate. 



Millou's reagent. 



Iodine in potas- 

 sium iodide. 

 Quinine sulphate. 



Potassium cyanide. 



Flemming's solu- 

 tion. 



Chloral hydrate, 

 a Naphtol + sul- 

 phuric acid. 

 Alum. 



Antipyrine. 

 Cafleine. 



Deep green prc»ipilate. 



Dark green (contracts into 

 a globular mass). 



Black (deep green) (con- 

 tracts into a globular 

 mass). 



No reaction. 



Black precipitate. 

 Deep blue ]>rccipitale. 



No reaction. 



;) 



(Violet, brown, dark). 



Reddish brown precipitate, 

 (later dark brown). 



No reaction (contracts 

 inlo a gloljular mass). 



Violet, green, yellow, 

 (granules dissolve later). 



CIrccn, yulldw (ccmlraets 

 into a globular ma^s). 



Violet, them black, brown- 

 ish yellow. 



No reaction. 

 Dissolves. 



No reaction (slightly 



violet). 

 No reaction. 



( Jreen (precipitate ?) 

 Greenish yellow. 



Slightly red. 



Momentarily red, then 

 black. 



Momentarily red, then 

 black and blue pre- 

 cipitate. 



No reaction. 



» 

 (slightly brown). 

 Momentarily red and then 



reddish brown. 

 No reaction (slightly 



black). 

 Violet, green, yellow. 



(granules dissolve later). 

 Sligiit green, yellow. 



Momentarily red, then 

 slightly black, brownish 

 yellow. 



No reaction. 



Slightly red (dissolves). 



No reaction. 



Here tue presence of «ngar mostly around the libro-vaseular 

 luiiulle of the calyx-leaf cau be denioustrated. 



The Fourth or Last Phase. 



Duratiou of ol)servatiou : August 1 — Septeudjer 1. 

 External form, — Flowers standing erect cau no longer be 

 fo\ind. The cT^yx-leaves nutate and are soon reddened on the 



