;m:. 



Gl 



N. crispa is higher than the curve 

 of N. hi the n 



-:um snip te, uranium nitrate, and C 



nitrate; and i i chloral hydrate, chromic 



nitric acid, potassium sulphide, sodium hydroxidi 

 dium salicylate, ami strontium nitrate. 



i The curves of the hybrids show varying parental 



relationships, there being a well-marked tendency in the 



. dainty mediateness and a 



i than the parental curves, with a - 



what more marked while 



in N. queen of rotes there is less tendei rmediate- 



S iter tendency to highness with about an 



equal inclination to one or the other parent. 



An early period of comparatively marked re- 

 3 a rapid to mod ionization 



is seldom recorded, a; seen for instance in the curves 

 for chromic acid and potassium sulpho 



-: period of the 60 minutes thai 

 the best for the differentiation of the four starches is for 

 the reactions with nitric acid. :n sulphide, sodium 



salicylate, and strontium nitrate at 5 mill I - 'h the 

 chloral hydrate at 15 minutes: with chromic acid and 



■ :um sulphocyana:. I - ; .nd with : 



sium iodide, sodium hydroxide, uranium nitrate, and 

 copper ni: SO minutes. The other reactions are 



either slow that - -factory differentia- 



tion can be ma 



KlACTIOX-IXTEXSITIES OF THE HYBRID. 



This section .' the rea 



in1 



(Table A 1 

 rts 1» 1'.'" to D210.) 



The reactivities of the hybrid .V. dainty maid are the 

 same s those of the s in the s ranin re;< 



- pollen parent with polari 

 ■ and gentian violet; - - both parents with 



mi sulphide, sodium sulphide, 

 nitrate, eupri. . barium chloride, and men-uric 



chloride: intermediate with temperature, chloral hy- 

 drate, nitric acid, potassium iodide, sodium hydroxide, 

 sodium salicylate (in four bei: pollen 



parent, in one nearer the seed parent, and in one mid- 

 internied: with iodine, sulphuric acid, 



chloric acid, potassium sulphoeyanate. calcium nitrate, 

 uranium nitrate, strontium nitrate, copper nitral 

 three ser to the pollen parent, in four near 



parent, and in one as near I other 



. t ) : and lowest with chromic acid and pot 

 hydroxide (in one being nearei parent, and in 



one as near one - ther parent). 



The reactrn ities 



of the seed parent in the rea 

 with gentian viol safranin; the sami 



of the pollen parent with iodi 



parents with pyTOgallic acid, potassium hydroxide, so- 

 dium snlphidi 



chloride, and mercuric chloride ; intermediate with tem- 

 1, and potassium 



t, and in one mid-intermed 

 highest with chloral hydrate, sulphuric acid, hydrochloric 

 acid, potassium sulphoeyanate. potassium sulphi 



dium hydr iium sali ieium nitrate, ura- 



nium nitr 'ium nit: 



parent, and in one as 



and tl : ( in 



one being nearer the pollen parent and in the other 

 parent). 

 The followi tmmary of the reaction-int 



ties of the hybrid a- ' ••nnediateness, 



excess, and deficit in r- "lie pare; 



Same or practically the sai. 



Pollen parent 

 Be 



Highest 



Lowe? - 



Total. 



3 



3 

 14 



9 

 19 



4 



The hybrids differ from each other in the reactions 

 with polarization, iodine, gentian violet, safranin, tem- 

 perature, chloral hydrate, sodium hydroxide, strontium 

 nitrate, calcium nitrate, and copper nitrate, in several 

 to a minor degree. The hybrid N. dainty maid has a 



• reactivity than the other hybrid in the reactions 

 with polarization, iodine, calcium nitrate, and copper 

 nitrate, and a lower reactivity in those with gentian 

 mperature, chloral hydr I . sodium 

 hydroxide, and rn nitrate. The king 



differ, nee is s th chloral hy 



The hybrii s differ on 1 ss from each 



than • : 'Ut they difr 



from the : the parents from each other. 



parental relationshi - ary in the 



different react; - - sards sameness, intermediate 



ach hybrid -hips quite independent 



5, 



5 the pollen parent, while 

 N. queen of ros tivity and is nearer 



the pol at : in th h are 



intern at the former is nearer the pollen pa 



and the latter nearer t! trent; in the 



with chloral hydrate the former is intermediate and 

 nearer the pollen parent, and the latter highest and 

 nearer the pollen pare: - Chapter^ 



I -:rF. CrnvES of Reaction-ixtexsi: 



This section deals with t: ' the 



•n-inten- • -. - tiation of the 



starches of Nerine crtsj •. N. dainty maid, 



and N. I Chart E 10.) 



trt are: 



in the rises and 



d the 



iral hydrate, in which the curve of 



- - seending. As 



will be seen a'- urts (E 11 ai 



of the nerines are comparatively this 



irves run so closely 

 a ted plai 

 (.V. cri n variety and .V. elegans is a 



. 



