210 



CXXXIII. ORCHIDE^ (rOLFE). 



[Rabenaria. 



Racemes elongated, usually over 4 in. long. 

 Western species. 



Leaves 1^ lin. broad . . . . 



Leaves 2-4 Hn. broad .... 

 Eastern species. 



Spur clavate ..... 

 Spur subclavate or filiform. 



Abyssinian species .... 

 Species found south of Abyssinia. 

 Spur 5 lin. long. 

 Spur filiform 



Spur narrowly fusiform . 

 Spur 7-10 lin. long. 



Anterior petal lobe longer than 

 the posterior. 

 Raceme 6 in. long 

 Raceme about 1 ft. long 

 Anterior petal lobe shorter than 

 the posterior . 

 ff Stigmatic processes 2 lin. or more long. 

 Spur 1 in. long or less. 

 Western species. 



Anterior petal lobe much longer than 

 the posterior. 

 Spur 10-11 lin. long 

 Spur 4-6 lin. long. 

 Spur subclavate 

 Spur strongly clavate . 

 Anterior petal lobe slightly shorter than 

 the posterior .... 

 Eastern species. 



Spur 4r-7 lin. long. 



Side lobes of lip well developed. 

 Racemes lax. 



Abyssinian species 

 Ruwenzori species 

 Racemes dense. 

 Spur 5 lin. long . 

 Spur 9 lin. long . 

 Side lobes of lip reduced to minute 



teeth 



Spur 8-12 lin. long. 



Lobes of lip 4-5 lin. long. 



Stigmatic processes slender, 



capitate . . . . 



Stigmatic processes clavate, 



obliquely truncate. 



Stigmatic processes 2 lin. long 



Stigmatic processes 3 lin. long 



Lobes of lip 6-7 lin. long. 



Raceme lax .... 

 Raceme dense 

 Spur much over 1 in. long. 



Raceme lax 



Raceme dense 



73. 



74. 



75. 

 76. 



IT. hiiettneriana. 

 H. cataphysema. 



H. Peltastes. 



H. chirensis. 



H. Holstii. 

 H. polyantha. 



S. ndiana. 

 H. sochensis. 



81. M. Kiliman 



ijam. 



82. H.. huillensis. 



83. H. icJmeiimonea. 



84. H. confusa. 



85. R. Vogelii. 



86. 



87. 



88. 

 89. 



S. schimperiana. 

 H. genujlexa. 



H. Thomsoni. 

 H. lyJcipiensis. 



90. H. ridleyana. 



91. B.. TiocTistetteriana. 



92. 

 93. 



94. 

 95. 



96. 

 97. 



H. pedicellaris. 

 H. ranicolorata. 



H. nyikana. 

 H. altior. 



H. plectromaniaca. 

 JET. decapiera. 



