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SELEcTION AND MUTATION II
MUTABILITY AND INDIVIDUAL VARIATION
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acters albida already amongst annual annual plants appeared arise arisen arose artiﬁcial biennial biennial plants biennis bracts brevistylis buds carpels characters constant cotyledons crop crossing crumples cultivated cultures curve DARWIN deﬁnite described developed difﬁcult Draba verna dwarfs elementary species elliptica example exhibited experiments fact fertilized ﬁeld at Hilversum ﬁgures ﬁnd ﬁrst ﬁve ﬂowering plants ﬂowers ﬂuctuating forms fruits garden gave rise genera germinated gigas grown harvested inﬂorescence inﬂuence laevifolia Lamarckiana-family lata lata-family lateral branches leaf leptocarpa main stem manuring marckiana mean muta mutability mutation nanella narrow natural selection nature number of individuals nutrition oblonga observed occur Oeno Oenothera Lamarckiana origin of species Pangenesis parent species partly petals petioles pollen proportion race result rosette stage rosettes rubrinervis scintillans seed-parents seedlings selection self-fertilized single sown speciﬁc square meters sterile subspecies sufﬁcient theory tion tricotylous umbel variability variation varieties whilst whole young plants