Notes on certain species of Pterostylis. I I 1 



/ ; . falcata. 



1. Labellum from the side, showing raised longitudinal line on 



upper surface of lamina and basal appendage. Seen in this 

 position the labellum is markedly falcate in shape. The 

 drawing is natural size. 



2. Labellum from top. The narrow base and raised line on upper 



surface of the lamina are shown, but not the tip, owing to its 

 curvature. Drawing natural size. 



3. Labellum from below, showing groove corresponding to the raised 



line. Natural size. 



4. Column from side. Natural size. 



5. Stigma, rather long and narrow. Enlarged. Drawings from 



herbarium specimens. 



P. a! pi tut. 



1. Labellum from the side, showing the raised longitudinal line 



on upper surface, and basal appendage, x 2. 



2. Labellum from above. Owing to the curvature the free tip of 



labellum is not seen in this view, but the raised line and the 

 appendage are both shown. x 2. 



3. Labellum from below, showing the lower surface with groove 



corresponding to the raised line, x 2. 



4. Column from the side, x 2. 



5. Front view of the short and rather Avide stigma, x 2. 

 The drawings are from herbarium specimens. 



