63 HERBACEOUS PLANTS 



Ord. 7 2 . HALORAGEAE. Mare's-tails, Hippuris vutgaris 

 Gunnera scabra, from Chili, has handsome foliage. It is 

 unfortunately not quite hardy. 



MYRTALES 



Ord. 73. RHIZOPHOREAE. Mangroves of muddy estuaries in the 

 tropics. 



Ord. 74. COMBRETACEAE. Myrobalans of India. 



Ord. 75. MYRTACEAE. The Myrtle, M. communis, is the European 

 representative of an order which includes the Blue Gums, Eucalyptus, of 

 Australia, certain species of which supply the Karri and Jarrah wood- 

 paving blocks ; Brazil-nuts, Bertholletia excelsa ; Cloves, Guavas, and 

 Punic a granatum, of which a specimen is trained against the South Wall, 

 where it occasionally flowers. 



Ord. 77. LYTHRACEAE. To the Loosestrife Family belongs 

 Lawsonia inermis of Egypt, which supplies Oriental ladies with 

 the henna which fashion dictates as necessary for dyeing their 

 finger-nails. 



Ord. 78. ONAGRACEAE. Including the Clarkias and many 

 other beautiful garden plants, such as the Evening Primroses, 

 Oenothera ; Willow Herbs, Epilobium ; Enchanter's Night- 

 shade, Circaea lutetiana ; and to these are related the 

 Fuchsia of S. America. Oenothera lamarckiana is the classical 

 instance of a plant in a "mutable state," i.e. a plant from the 

 seeds of which new species are being produced per saltum at 

 the present time (de Vries, " Theory of Mutation "). 



PASSIFLORALES 

 Ord. 79. SAMYDACEAE. 

 Ord. 80. LOASEAE. Blumenbachia hieronymi. 



Ord.^Sl. TURNERACEAE. 



Ord.*82. PASSIFLORACEAE. Passion Flowers, from Asia and tropical 

 America, ripen fruit out of doors in warm seasons e.g. at Folly Bridge, 

 1911. (See Green-houses, p. 99.) 



The Papayaceae are a tribe of Pdssifloraceae. 



Ord. 83. CUCURBITACEAE. Gourds are for the most part 

 tropical plants ; Bryony, Bryonia dioica, being the only species 



