148 



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duced in size. This species, unlike the others, has a 

 whorl of white, spongy, inflated petioles encircling the 

 flowering stem, which are branched at the apex, and bear 

 a few thread-like divisions on which are scattered a few 



FIG. 5. — FLOWERING STEM OF PTRICULARIA INFLATA (REDUCED IN SIZK) 



