CONTENTS 



Part 1 



March 31, 1919 



PLATE PAGB 



121 Chamaecrista Deeringiana 1 



122 Sedum spectabile 3 



123 Crataegus succulenta 5 



124 Limodorum Simpsonii 7 



125 Celastrus articulatus 9L 



126 Okenia hypogaea 11 



127 Mentzelia floridana . 13 



128 Ipomoea tenuissima 15 



129 Forsythia Fortune! 17 



130 Penstemon Digitalis . . 19 



Part 2 

 June 30, 1919 



131 Urechites pinetorum 21 



132 Eupatorium maculatum 23 



133 Heliotropium polyphyllum 25 



134 Malus Halliana 27 



135 Heliotropium Leavenworthii 29 



136 Penstemon calycosus 31 



137 Rhabdadenia corallicola 33 



138 Crataegus macrosperma 35 



139 Oxydendrum arboreum 37 



140 Eupatorium coelestinum 39 



Part 3 

 September 30, 1919 



141 Paphiopedilum Rothschildianum 41 



142 Hamamelis virginiana 43 



143 Arctotis grandis 45 



144 Crataegus spathulata 47 



145 Penstemon hirsutus 49 



146 Orontium aquaticum 51 



147 Echinopsis leucantha 53 



148 Viburnum Lantana 55 



149 Centaurea montana 57 



150 Alonsoa meridionalis 59 



iii 



