EXPERIMENTS IN HYBRIDISATION, &c. Ti5 
P. x Pluto, [X.—P. Boxalli and P. venustum together predominate 
in habit, while P. Boxalli and P. barbatum together preponderate in 
colour of leaves. 
P. x Pluto, X.—P. Boxalli and P. venustum together predominate 
in habit, while P. Boxalli and P. barbatum together preponderate in form 
of leaves. 
P. x Pluto, XI.—The grandparent P. barbatum alone predominates 
in form, while the grandparents P. barbatum and P. venustum together 
preponderate in colour of leaves. 
P. x Pluto, XIJ.—P. Boxalli alone predominates in habit and form, 
while P. Boxalli and P. venustum together preponderate in colour of 
leaves. 
P. x Pluto, XIII.—P. barbatum alone predominates in form, P. 
Hig. 35. Eira. 36: Fie. 37. Fie. 38. 
P. Boxauut. P. Boxattt. P. BARBATUM. P. VENUSTUM. 
‘Fic. 33.—P. BoxaLLI ATRATUM. Fia. 34.—P. x PoLITUM. 
Two Parents and four Grandparents of Paphiopedilum x Pluto vars. I.-XXIV. 
venustum in habit, while P. Boxalli and P. venustum together prevail 
in colour of leaves. 
P. x Pluto, XITV.—P. Boxadliand P. barbatum together predominate 
in habit, form, and colour of leaves. 
P. x Pluto, XV.—P. Boxalli and P. barbatum together predominate 
in habit and colour, while P. Boxalli and P. venustum together prepon- 
derate in form of leaves. 
P. x Pluto, XVI.—P. barbatum alone predominates in habit, while 
P. Boxalli and P. barbatum together preponderate in form and colour of 
leaves. 
P. x Pluto, XVII.—P. Boxalli alone predominates in habit ; P. Box- 
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