134 



[Vol. 7 



ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Wisconsin: Ladysmith, C. J. Humphrey, 1914 (in Mo. Bot. 



Gard. Herb., 42916). 

 Idaho: Priest River, J. R. Weir, 362, 379 (in Mo. Bot. Gard. 



Herb., 16533, 17115). 

 British Columbia: Agassiz, J. R. Weir, 351 (in Mo. Bot. Gard. 



Herb., 8066). 

 Cuba: C. Wright, 269, type (in Kew Herb, and Curtis Herb.); 



Alto Cedro, Earle & Murrill, 491, comm. by N. Y. Bot. 



Gard. Herb.; Ciego de Avila, Earle & Murrill, 590, comm. 



by N. Y. Bot. Gard. Herb.; Herradura, Earle & Murrill, 



188, comm. by N. Y. Bot. Gard. Herb. 

 Porto Rico: Rio Piedras, J. A. Stevenson, 3360 (in Mo. Bot. 



Gard. Herb., 7584). 

 Jamaica: Constant Spring Hotel grounds, W. A. & E. L. 



Murrill, 34, comm. by N. Y. Bot. Gard. Herb.; New Haven 



Gap, W. A. & E. L. Murrill, 771, comm. by N. Y. Bot. 



Gard. Herb.; Port Antonio, F. S. Earle, 575, comm. by 



N. Y. Bot. Gard. Herb. 



36. S. saxitas Burt, n. sp. Plate 4, fig. 33. 



Type: in Mo. Bot. Gard. Herb, and N. Y. Bot. Gard. Herb. 

 Fructification thick, stratose, stony-hard throughout, resupi- 

 nate, effused, becoming narrowly reflexed, the reflexed portion 



black above, irregular, stony; 

 hymenium even or tubercular, 

 not shining, drying cartridge- 

 buff to whitish; in structure 1-5 

 mm. thick, stratose, composed 

 of alternating pale and darker 

 •S layers but with a horn-like 

 translucent luster throughout 

 when cut; a few vesicular or- 

 gans 20-25x12-15 M present 

 alon^ the under portion of each 

 stratum; no cystidia; spores 

 hyaline, even, 4-5 X 3-4 m- 

 Resupinate portion 3-6 cm. in 

 diameter; reflexed margin 2-4 mm. broad. 



On bark of apparently a frondose species. Mexico and 

 Jamaica. December and May. 



mmm 





Fig. 16. S. saxitas. Section of hy- 

 menial region X 90, showing vesicular 

 bod ies ; spores, s, X 665. 



