I11ITI \-il:fM. 



TABLE A 2. 



cyanau (in on,. U - n ^ dowr to the Mod parent 

 three iiiid-iiitvrniediate) ; highcit with iK.lanzatmn. 

 imlin,.. ralphwie a-id. pota-.iuin hydroxide, and sodium 

 bydroxid* (m two being closer to the need parent 

 in three closer to tin- |K-ll<-n parent) ; and lowwt with 

 rhlc.ral hydrate, chromic acid, pyrogallic and. and ao- 

 .liuin ulicylate (in three being closer to the teed parent 

 and in one cloaer to the pollen parent). 



The following is a summary of the reaction inten- 

 sities : Same aa aeed parent, 8 ; aame u pollen pan < 

 MOW as both parent*, 8; intermediate, 4; higbtv 

 lowest, 4. 



The Med parent shows a stronger influence than the 

 pollen parent on the characters of the starch of the 

 hybrid. 



COMPOSITE Cairo OP TUB REACTION-INTENSITIES. 



The following section treat* of the composite curves 

 of the reaction-intensities showing the differentiation 

 of the starches of Hippeattrum titan. II. cltvnia, and // 

 *t7an-e/mM. ( Chart F 2. ) 



Among the conspicuous features of this chart are : 



(1) The closeness of all three curves, indicating a 

 very close relationship of all three starches and plaiit- 

 sourcea. 



(2) The generally lower position of the curve of 

 llippeaxtrum titan in relation to the curve of the other 

 parent, it being lower in the reactions with inline, gen- 

 tian violet, safranin, temperature, chloral hydrate, pyro- 

 gallic acid, nitric acid, hydrochloric acid, potassium 

 hydroxide, potassium iodide, potassium sulphocyanate, 

 odium hydroxide, sodium sulphide, and strontium m 

 trate; higher with polarization and chromic acid ; and the 

 same or practically the same with sulphuric acid, potas- 

 sium sulphide, sodium salicylate, calcium nitrate, ura- 

 nium nitrate, cobalt nitrate, copper nitrate, cupric 

 chloride, barium chloride, and mercuric chloride. 



(3) The curve of Hippttulrum titan is very high 

 in the polarization and chromic-acid reactions; high 

 with sulphuric acid and sodium salicylate; moderate 

 with iodine, gentian violet, safranin, and pyrogallic acid ; 

 low with temperature, nitric acid, hydrochloric, and 

 potassium hydroxide; very low with chloral hydrate, 

 potassium iodide, potassium sulphocyanate, potassium 

 sulphide, sodium hydroxide, sodium sulphide, calcium 

 nitrate, uranium nitrate, strontium nitrate, cobalt nitrate, 

 copper nitrate, cupric chloride, barium chloride, and 

 mercuric chloride. 



(4) The curve of II ippta.it rum clronia is very high 

 in the polarization and chromic-acid reactions ; high with 

 pyrogallic acid, sulphuric acid, and sodium salicylate; 

 moderate in the iodine, gentian violet, and safranin ; and 

 low with temperature, chloral hydrate, nitric acid, hydro- 

 chloric acid, potassium hydroxide, and potassium sulpho- 

 cyanate; and very low with potassium iodide, potassium 

 sulphide, sodium hydroxide, sodium sulphide, calcium 

 nitrate, uranium nitrate, strontium nitrate, cobalt ni- 

 trate, copper nitrate, cupric chloride, barium chloride, 

 and mercuric chloride. 



(5) The curve of the hybrid is very high in the 

 polarization and sulphuric-acid reaction! ; high with 

 chromic acid and sodium salicylate; moderate with 

 iodine, gentian violet, safranin, and pyrogallic acid ; low 

 .* i ih temperature, nitric acid, hydrochloric .;.!. |x>U*- 

 -ium hydroxide, and potassium sulphocyanate ; and very 

 low with chloral hydrate, potassium iodide, potassium 

 sulphide, sodium hydroxide, xodium sulphide, calcium 

 nitrate, uranium nitrate, trontium nitrate, cobalt ni- 

 trate, copper nitrate, cupric chloride, barium chloride, and 

 mercuric chloride. 



