James Sturgis Pray,

Cambridge, Mazs,

HANDBOOK

OF

HARDY HERBACEOUS AND

ALPINE FLOWERS

WILLIAM BLACKWOOD AND SONS
EDINBURGH AND LONDON

MDCCCLXXI
I 8 7

The Right of Translation is reserved

CONTENTS.

37
39
39
41
43
44
45
45
47
48

51

52

52

54

54

57

58

59

64

64

65

65

66

67

73

73

75

76

79

80