RIDDLE: NOTEWORTHY LICHENS FROM JAMAICA 329 
2c. MEGALOSPORA VERSICOLOR var. major (Wainio) Riddle, comb. 
nov. 
Lecidea versicolor var. major Wainio, Act. Soc. Sci. Fenn. 7*: 
36. 1890. Authentic specimen examined from Brazil! 
3. MEGALOSPORA SULPHURATA Mey. & Flot. Nov. Act. Acad. 
Caes. Leop. Carol. 19 (suppl. 1): 228. 1843. 
The species is represented in America by three varieties, as 
follows :— 
3a. MEGALOSPORA SULPHURATA var. genuina Riddle, nom. nov. 
Patellaria sulphurata var. vigilans Muell. Arg. Flora 69: 288. 
1886. Not Lecanora vigilans Taylor (compare discussion given 
above under M. versicolor var. dichroma). 
Apothecia primum pallida vel rufescentia vel tandem sub- 
nigrescentia. 
According to an authentic specimen in the Boissier Herbarium, 
these are the characters of the original type-form of Meyen and 
Flotow. 
Jamaica: Gordon Town, 1884, J. Hart. 
Specimens examined from Mexico, Colombia, Brazil, and the 
Philippines (spec. orig.!). : 
3b. MEGALOSPORA SULPHURATA Var. nigricans (Muell. Arg.) Riddle, 
comb. nov. 
Patellaria vigilans var. nigricans Muell. Arg. Flora 64: 227. 
1881. 
Specimens examined from Mexico, Venezuela, Brazil (type!), 
and Australia. . 
3c. MEGALOSPORA SULPHURATA var. megacarpa (Nyl.) Riddle, 
comb. nov. 
Lecidea megacarpa Ny}. Ann. Sci. Nat. IV. 11: 260. 1859. 
Specimens examined from Costa Rica, Brazil, Ceylon, and 
Mauritius (spec. authent.!). 
4. MEGALOSPORA CUMMINGSIAE Riddle, Mycologia 4: 129. I9I2. 
JaMarca: without definite locality, Clara E. Cummings 129 
(type!). Endemic. 
