and varietal characters in wheat-ear carnation, in the green dahlias,
in white campanulas and others. Systematic latency of flower colors.

IX. Crossing of species and varieties. 247
Balanced and unbalanced, or species and variety crosses.
Constant hybrids of _Oenothera muricata_ and _O. biennis_. _Aegilops_,
_Medicago_, brambles and other instances.

X. Mendel's law of balanced crosses. 276
Pairs of antagonistic characters, one active and one latent.
_Papaver somniferum_. [xiv] _Mephisto Danebrog_. Mendel's laws. Unit-
characters.

D. EVERSPORTING VARIETIES.

XI. Striped flowers. 309
_Antirrhinum majus luteum rubro-striatum_ with pedigree. Striped
flowers, fruits and radishes. Double stocks.

XII. "Five leaved" clover. 340
Origin of this variety. Periodicity of the anomaly. Pedigree-
cultures. Ascidia.

XIII. Polycephalic poppies. 369
Permanency and high variability. Sensitive period of the
anomaly. Dependency on external conditions.

XIV. Monstrosities. 400
Inheritance of monstrosities. Half races and middle races.
Hereditary value of atavists. Twisted stems and fasciations. Middle