

F." ^ 



ILLUSTRATIONS. 



PLATES. 



Platio XVI. Echinocadas robudvs and Mam'dlorki angular}^ - 83 



XVIT. Opunila lanicala and J'A^kmocarlns mgcvs 83 



X V N I. Pilorereiis falv'iCf}*^ - ^'^ 



XIX. Cereus hoUinnua _ - 83 



XX. Cereus stelhitm - - ^3 



XXI, Cereus vrhcri . , _ - - ^^ 



XXir. Fouqulerld i^plno^d -. - ^^ 



XXIIT. Beaucarnea oedtjtn^ - - - - ^8 



XXIV. CaHbaitiis caeapUusas - 90 



XXV. CaUhanm caei^pilosu.^ ^0 



XXVI. PotentlUa lozavi _ . - 95 



XXVII. Alchemilla j^rocumhens ^6 



XXVIII. P'dhecolohhnii rerohiivm 96 



Iloffmanseggin <ivvh\ - - ^8 



, BentltantcaUha piuaHn - ^^ 



Coloqaala tennln - - ^^^ 



XXXII. (Mania Inaina ^'^^ 



XX XT II. Odonki viridljlora - ^^^ 



XXXIV. SphimiOKpenntttih eohdnclam 107 



XXXV. lonoxalis covfum, J. furrata, and /. jalhcana 110 



XXX VI. Terehirdhifs aridd ^^^ 



XXXVIl. Pohjgala calricohf - ^^^ 



XXXVIII. Pijbjgrdii nehoui - - - 122 



TOO 



, Pob/mht iurqldn - - - - - ^^"^ 



XL* AhutUon darangense ^^"^ 



1 94- 



XLI. Wissaduld lozam - - - ^^'* 



XLII. Calceolaria lumulk - - 1^^ 



XLIII. Escontria chlotUla and Cephalocerem macroeephalas 126 



TEXT FIGURES. PjLge. 



F]<i. 1. Beaucarnea gnatemcdcnsh ^^ 



2. Beaucarnea Inerm is 



CO 



3. Dasglirion quadrangidaifun _ 



4. Calibanus caespitosus - 



5. Nolina aliannranoana - 



6. Nolina elegans 



vu 



i h 



