EXPLANATION OF THE ILLUSTRATIONS 
Pirate XII. MaspevaLiia PANDURILABIA C, Schweinf. 
1, plant, natural size. 2, flower expanded, from 
above, twice natural size. 3, column with foot, 
from side, five times natural size. 4, petal, five 
times natural size. 5, lip from side, five times nat- 
ural size. 6, lip from above, expanded, five times 
natural size. 
Pirate XIII. Srevis concavirtora C. Schweinf. 
1, plant, one half natural size. 2, flower, from 
side, five times natural size. 3, petal, ten times 
natural size. 4, lip, from above, fifteen times natu- 
ral size. 5, lip from side, fifteen times natural size. 
STELIS GRANDIBRACTEATA C. Schweinf. 6, plant, one 
half natural size. 7, flower, from above, five times 
natural size. 8, petal, ten times natural size. 9, 
lip from above, ten times natural size. 10, lip, 
from side, ten times natural size. 
Pirate XIV. Srevis prrrusa C. Schweinf. 1, plant, 
one half natural size. 2, flower, from above, five 
times natural size. 3, lip, from above, fifteen times 
natural size. 4, petal, ten times natural size. 
StreLis mMinutTA C. Schweinf. 5, plant, natural size. 
6, flower, from above, twenty times natural size. 
7, lip, from above, thirty times natural size. 8, 
petal, thirty times natural size. 
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