Plants Collected by the Author in Bermuda, Porto Rico, 



St. Thomas, San Domingo, Jamaica, Cuba, 



the Caymans, Cozumel and Yucatan, 



December, 1898, to March, 1899. 



ASPERGILLACE^:. 



Meliola Caymanensis E. & E. sp. nov. Plate xlix. 



Epiphyllous. Mycelium forming minute (i mm. or less) round 

 black spots, subreticulately branched, threads 6-7 /* diam., capitate 

 hyphopodia globose, subsessile 8 n diam., mucronate hyphopodia 

 ampulliform, prolonged above into a cylindrical tip 7-8 /* long, not 

 abundant; perithecia 200-250 /j. diam. collapsing, 2-6 on a single patch 

 of mycelium ; asci obovate, subsessile 75-85 x 20-25 /* 2-4-spored, 

 sporidia subfasciculate, oblong-cylindrical, 4 septate, not strongly 

 constricted 25-30 x 11-13 ,. 



On leaves of Pharbitis cathartica (Poir) Chois. from the coast of 

 Grand Cayman Island, near Georgetown (1403 part). 



MICROTHYRIACE^E. 



Asterella Erithalidis E. & E. sp. nov. Plate 1. 



Hypophyllous. Mycelium loose, spreading over the lower surface 

 of the leaf without forming definite spots ; threads sparingly reticu- 

 late-branched, capitate hyphopodia obovate, 15-20 x 5 //, mucronate 

 hyphopodia elongated conical 12-15 x 5'6 ! J -\ bristles arising from the 

 mycelium 150-250 x 5 // ; perithecia globose membranaceous, subasto- 

 mous, 80-100 >j. diam., asci oblong, 20-30x8-10 , ; sporidia subbis- 

 eriate oblong, uniseptate, hyaline, scarcely constricted 6-8 x 3-3.5 /a. 



On leaves of Erithalis angustifolia de C., shore of Grand Cay- 

 man, north of Georgetown (1251 part). 



Asterella Crustacea E. & E. sp. nov. Plate li. 



Epiphyllous. Mycelium subcrustose, forming black orbicular 

 patches 2-3 mm. diam., reticulately branched without hyphopodia or 

 bristles ; perithecia lenticular thin, flat, 2.5-3.3 mm. diam., ostiola 

 papilliform, sometimes compressed ; asci clavate oblong nearly sessile 

 70-80 x 15-20 IJL. Sporidia obpiriform, uniseptate, hyaline at first and 

 with a hyaline envelope, strongly constricted, upper cell elliptical 

 and broader, lower cell obconical 20-26 x 9-11 //., becoming brown. 



On leaves of Psidium Guajava L. from the center of the island 

 of Grand Cayman (1378 part). 



