IRIS. 



109 



Table A 32. 



i Ihloral hydrate: 



I. cengialti 



1. pallida queen of may. 



I. mrs. alan grey 



Chromic acid 



1. cengialti 



!. pallida queen of may 



I. mrs. alan prey 



Pyrogallie nrid: 



I. cengialti 



I. pallida quern ni maj 



1. mrs. alan grey 



Nitric acid: 



I. cengialti 



I. pallida queen of may 



I. mrs. alan grey 



Sulphuric acid: 



I. cengialti 



I. pallida queen of may 



I. mrs. alan grey 



Hydrochloric acid: 



I. cengialti 



I. pallida queen of may. 



1. mrs. alan grey 



Potassium hydroxide: 



I. cengialti 



I. pallida queen of may 



I. mrs. alan grey 



Potassium iodide: 



I. cengialti 



I. pallida queen of may . 



I. mrs. alan grey 



Potassium sulphocyanate: 



I. cengialti 



I. pallida queen of may 



I. mrs. alan grey 



Potassium sulphide: 



I. cengialti 



I. pallida queen of may 



I. mra. alan grey 



Sodium hydroxide: 



I. cengialti 



I. pallida queen of may 



I. mrs. alan grey 



Sodium sulphide: 



I. cengialti 



I. pallida queen of may . 



I. mrs. alan grey 



Sodium salicylate: 



I. cengialti 



I. pallida queen of may. 



I. mrs. alan grey 



Calcium nitrate: 



I. cengialti 



I. pallida queen of may 



I. mrs. alan grey 



Uranium nitrate: 



I. cengialti 



I. pallida queen of may 



1. mrs. alan grey 



Strontium nitrate: 



I. cengialti 



I. pallida queen of may 



I. mrs. alan grey 



Cobalt nitrate: 



I. cengialti 



I. pallida queen of may 



I. mrs. alan grey 



< topper nitrate: 



I. cengialti 



I. pallida queen of may . 



I. mrs. alan grey 



Cupric chloride: 



I. cengialti 



I. pallida queen of may. 



I. mrs. alan grey 



Barium chloride: 



I. cengialti 



I. pallida queen of may 



I. mrs. alan grey 



Mercuric chloride: 



I. cengialti 



I. pallida queen of may. 



I. mrs. alan grey 



si 



66 



, 

 1 



5 



0.5 



(I:", 



71 7s 

 54 63 

 13 50 



7. 



6 



curve of the hybrid to either paTeni or to intermediate- 

 iii.--. in fact, there is an inclination for the parental 

 curves to !»■ paired in their course and for the hybrid 

 curve in I"' distinct] or below tin- parental curves. 



In tie - well-marked in- 



termedial d, and in those with potas- 



sium, iodii am sulphide, and cupi ic chloi 



transient intermediateness during thi i minutes; 



i this group, with the exception of the pota 

 iodide reai tion, the differences in tin- curve- <,f the three 

 -tan hes are slight ami fall within the limits of error of 

 riment. 



(2) 'I'lic lower reactivity of /. cengialti in compari- 

 son with tlic other parent in th - with chloral 

 hydrate ami sodium salicylate; the In -her reactivities in 

 tluc-e with chromic acid, pyrogallie acid, potassium io- 

 dide, uranium nitra ntium nitrate, ami copper 

 nitrate; tin- same or nearly the same reactivities with 

 hydrochloric acid, potassium hydroxide, p i sul- 

 phocyanate, sodium hydr dium sulphidi 

 nitrate, cupric chloride, and mercuric chloride; and 

 tin 1 same reactivities also with nitric acid, -ulphurie acid, 

 potassium sulphide, cobalt nitrate, and barium chloride, 

 in which the reactivities of all three starches are the 

 same nr practically the same. 



(3) The curves of the hybrid bear varying relations 

 to the parental curves. The absence of sameness in any 

 instance to the seed parent, the almosi enl re 

 intermediateness of the curve, and the i j irked ten- 

 dency to the curve being the highest or lowest of the 

 three are very striking. This low tendency is a 

 interesting peculiarity considering the very close rela- 

 tionship of the patents, and it recalls the same bul 

 more marked peculiarity of the hybrids of the well- 

 separated parents — Amaryllis belladonna and Brunsvigia 

 Josephines. 



(4) In a few reactions there is evidence of an early 

 period of resistance, and this may he noticeable in r 



to one or more of three starches in any reaction. This 

 resistance is seen in all three starches in the reactions 

 with chloral hydrate, chromic acid, pyrogallie acid, nitric 

 acid, strontium nitrate, and cupric chloride ; with /. cen- 

 gialti in the sodium-sulphide reaction; with both parents 

 in that with calcium nitrate; and with the hybrid in 

 that with cupric chloride particularly. 



(5) The earliest period during the fin minutes at 

 which the three curves are host separated to differentiate 

 the starches varies with 1 ents. Approxi- 

 mately, this period occurs within 5 minutes in the reac- 

 tions with nitric acid, sulphuric acid, potassium hydrox- 

 ide, potassium iodide, potassium sulphocyanate, sodium 

 hydroxide, and sodium salic] -; at 15 min- 

 utes with chloral hydrate, chromic acid, pyrogallie acid, 

 hydrochloric acid, sodium sulphide, calcium nitrate, and 

 strontium nitrate ; at ■'!<) minutes with copper nitrate and 

 cupric chloride; and at GO minutes with potassium sul- 

 phide, uranium nitrate, cobalt nitrate, barium chloride, 

 and mercuric chloride. I n a number of cases the assign- 

 ment is very questionable, so that the classification must 

 be looked upon as having merely a tentative value. 



Reaction-intensities of the Hybrid. 

 Tin- section treats of the reaction-intensities of the 

 hybrid as regards sameness, intermediatem -. and 



deficit iii relation to the parents. (Table A 3'.' and 

 (harts D421 to D441.) 



The reactivities of the hybrid are the same 



I patent in no reaction: thi ose of 



the pollen parent in that, with cobalt nitrate: the same 

 as those of both parents in those with nitric acid, sul- 

 phuric acid, and barium chloride, in all of which the 



