LIST OF ILLUSTRATIONS. 



Frontispiece, The Gate House. 



View of Mill Hill School Facim 



Plate 1, Yucca Guatemalensis « 



tt 



(C 



u 



a 

 a 

 u 

 a 

 a 

 tt 

 M 

 K 

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 (C 



a 



2, a Guatemalensis 



3, u Schottii 



4, " australis 



5, " australis 



6, u brevifolia 



7, " brevifolia 



8, " brevifolia 



9, " brevifolia 



10, u elata tt 



11-14, West Indian Plants Following 



15, Yucca elata aud filamentosa Facing 



16, Hesperoyucca Whipplei tt 



W> " Whipplei, var. gramiuifolia . . « 



18-23, Yucca Pollination Following 



[6] 



u 

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it 

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 a 

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page 38 



3 



5 



7 



" 11 



•• 14 



19 



23 



3G 



44 



47 



189 



202 



206 



215 



226 



tt 



a 



