Howe: Lichens from Jamaica 
261 
Cladonia aggregata (Sw.) Ach. “Lichen 34, Cladonia sp.? 
Cinchona Hill, V-20-06.” One specimen determined by Prof. 
Fink. 
Cladonia squamosa var. phyllocoma Rabenh. “ Lichen 44, Cla- 
donia sp. Clyde Valley, V-8-06.” One specimen determined 
by Prof. Fink. 
Stercocaulon ramulosum (Sw.) Ach. “Lichen No. 13, Cladonia, 
sp. Rd. to Morce’s Gap (?).” Specimen determined by Dr. 
Riddle, of which a part is now in his herbarium. 
Stereocaulon cornutum Mull. Arg. “ Lichen No. 14, Morce’s Gap, 
03.” One specimen determined by Dr. Riddle. 
Leptogium tremelloides (L.f.) Gray. “Lichens No. 2, New 
Haven Gap, IV-30-03,” and “ Lichen No. 30, Sir John, V-i- 
06.” Two specimens. Spores 28-32 X 14 Determined by 
Dr. Riddle. 
Leptogium phyllocarpum (Pers.) Nyl. “ Lichen No. 19,” and 
“20. Cinchona Hill, IV-28-03.” Two specimens. Spores 
28-40 X 10-18/1. Verified by Dr. Riddle. 
Leptogium “ Lichen No. 3, Morce’s Gap, IV-23-03.” One sterile 
fragment is perhaps referable to some form of chloromelum 
(Sw.) Nyl. 
Pannaria ( Parmeliella ) pannosa (Sw.) Delis. “Lichen No. 38, 
Portland Gap, IV-16-06,” and “ Lichen No. 39, Cinchona Hill, 
IV-28-03.” Two sterile specimens. Dr. Riddle refers a part 
of this material to P. Mariana var isideoidea Mull. Arg. ; a part 
to P. rubiginosa (Thurb.) Del., but in the absence of apothecia 
it is thought best to refer both to Pannaria pannosa. 
Coccocarpia pcllita (Ach.) Mull. Arg. “Lichen No. 10, Cin- 
chona Hill, IV-25-06 (on soil).” One specimen spores 8X 
16 /I. Verified by Dr. Riddle. 
Sticta Weigelli (Ach.) Wain. “Lichen No. 27, Cinchona Hill, 
IV-03.” Determined by Dr. Riddle. 
Sticta damaecomis (Sw.) Ach. Nos. 15, 17, 21, 22, 23, 29, 35, 
41, and 42. Nos. 29, 35, collected in “ V-06,” all other in “ IV- 
03,” and representing in all the following localities : Blue Mt., 
Cinchona Hill, New Haven Gap, Latimer River, and Sir John. 
The specimens exhibit the wide variation in form of thallus lo- 
cation shown by this species. The envelopes in which the spe- 
