SECTION PETALOIDES. 



13- 



POLYPORUS. FLESHY, THIN SPECIES, COLOR 

 WHITE OR PALE. PORES SMALL. 



ANNULATUS (Fig. 428). A small, white species with a short 

 stipe expanded into a disc at the base. Originally from Java (well 

 illustrated by Junghuhn). Found by me in Samoa. It grows attached 

 to sticks on the ground. 



RHIPIDIUM. Stipe lateral, expanding above. Color white ( ?) 

 when fresh, reddish when dried. Pores medium with thin walls. The 

 type form is rare in the United States. It is large, but otherwise the 

 same as the little form, called pusillus by Persoon, which occurs fre- 

 quently throughout the tropical world. 



FRACTIPES. White, with a lateral, white stipe. Pores small, 

 slightly rose colored. Surface dull. Rare in the United States. Also 

 found in Brazil, by Rev. J. Rick. 



Fig. 428 

 Petaloides annulatus. 



Fig 429 



Petaloides nivicolor. 



Flo. 430 

 Petaloides biokoensu. 



NIVICOLOR (Fig. 429). Pure white, with smooth surface. 

 Pores small, white. Not truly stipitate, but the pileus extends behind 

 into a stipe-like prolongation. Known only from New Zealand, but 

 there are abundant specimens at Kew. 



BIOKOENSIS (Fig. 430). Pileus clear yellow when fresh, 

 bleaching out to white in drying. Surface smooth, faintly zoned. 

 Stipe short lateral, concolorous. Pores minute, yellow when fresh, 

 isabelline when dry. Spores (conidial?) globose, hyaline, smooth, 

 4-S mic The plant contracts in drying and the color change 11 

 usual and marked. Very rare in Samoa, collected by me but ( 

 Named by Bresadola. Type unknown to me. 



I3 1 



