EXPERIMENTS IN HYBRIDISATION, &c. i is i 
parent P. insigne together predominate in the upper sepal, lower sepal, 
and staminode. . 
(9) P..x a. Hero.—P. Spicerianum and P. insigne together pre- 
dominate in the upper sepal and staminode ; while P. Spicerianum and 
P. villosum preponderate in the petals. 
(10) P. x a. Minos.—P. Spicerianum and P. insigne together pre- 
dominate in the staminode, P. insigne alone preponderates in the 
upper and lower sepals, and P. villosum alone in the petals. 
(11) P. x a. Gidipe.—P. Spicerianum and P. insigne together pre- 
dominate in the upper sepal and staminode, while P. villosum alone 
prevails in the petals. 
(12) P. x a. Olympia.—P. Spicerianum and P. insigne together pre- 
dominate in the upper sepal and staminode, while P. insigne alone 
prevails in the petals. 
(13) P. x a. Osiris —P. Spicerianum predominates in the upper 
and lower sepals; P. villosum alone preponderates in the petals, and 
P. insigne alone in the staminode. 
(14) P. x a. Polynice.—P. Spicerianum and P. insigne together 
_ predominate in the upper sepal, P. insigne and P. villosum in the lower 
sepal, and P. Spicerianum alone in the staminode. 
(15) P. x a. Pomone.—P. insigne predominates alone in the upper 
sepal, P. insigne and P. villosum together in the petals, and P. Spicer- 
ianum and P. villosum in the staminode. 
(16) BP. x a. Vertwmne.—P. Spicerianum and P. insigne together pre- 
dominate in the upper sepal and staminode, while P. villosum alone 
prevails in the petals. 
(17) P. x a. amena.—P. Spicerianum and P. insigne together pre- 
dominate in the upper sepal, P. insigne alone in the lower sepal, and 
P. Spicerianum alone in the petals and staminode. 
(18) P. x a. Cyrus.—P. insigne alone predominates in the upper 
sepal; P. insigne and P. villosum together preponderate in the petals ; 
and P. Spicerianum and P. villosum prevail in the staminode. 
(19) P. x a. delicatulum.—P. Spicerianum alone predominates in 
the upper sepal ; P. insigne and P. villosum together preponderate in 
the petals; and P. Spicerianum and P. insigne together prevail in the 
staminode. 
(20) P. x a. Mellona.—P. Spicerianum and P. insigne together pre- 
dominate in the upper sepal and staminode; P. insigne alone pre- 
ponderates in the lower sepal; while P. insigne and P. villosum together 
prevail in the petals. 
(21) P. x a. Micias.—P. insigne alone predominates in the upper 
sepal; while P. insigne and P. villosum together preponderate in the 
petals, and P. Spicerianum and P. villosum together in the staminode. 
(22) P. x a. tigrinwm.—P. Spicerianum and P. insigne together 
predominate in the upper sepal; P. insigne alone preponderates in the 
lower sepal; P. Spicerianum alone in the petals; while P. Spicerianum 
and P. villosum together prevail in the staminode. 
Apart from the above prepotencies the parts of these twenty-two 
hybrids are fairly intermediate in colour between the three ancestral 
I 
