USNEACEAJE. 549 



2. Parmelia sulphurata Nees & Flot. Linnaea 9: 501. 1834. 



On trees, New Providence, at Maidenhead Coppice : — widely distributed In troti 

 leal regions of botli hemispheres. 



3. Parmelia flstva Krempelh. in Warming, Symtol. Plor. Bras, in Vidensk. 



Meddel. 9. 1873. 



On tree, Andres, along road to Conch Sound : — Brazil. 



4. Parmelia latissima Fee, Suppl. Essai Crypt. 119, pi. S8, f. 1. 1837. 



On trees, Abaco, New ProYidence, Watling's Island, Crooked Island : — widely 

 distributed In the warmer regions of both hemispheres. 



4a. Parmelia latissima var. cristifera (Taylor) Hue, Nouv. Arch. Mus. Hist. 

 Nat. Paris IV: 1: 204. 1899. 



Parmelia cristifera Taylor in Hook. Journ. Bot. 6: 165. 1847. 



On trees. New Providence, at Maidenhead Coppice : — distributed as in the typi- 

 cal form. 



5. Parmelia perlata (L.) Ach. Meth. Lich. 216. 1803. 



Lichen perlatus L. 8yat. Nat. ed. 12, p. 712. 1767. 

 On trees. Great Ba'hama, New Providence : — cosmopolitan. 



Family 14. USNBAOEAE. 



Medulla of loosely interwoven hyphae ; siwres two-celled. 1. Bamalina. 



Medulla with a tough central strand of compacted hyphae; 



spores simple. 2. Usnea. 



1. EAJVtAIiiNA Ach. 



Thallus more or less sorediate. 1. B. peruviana. 

 Thallus without soredia. 



Thallus elongated and pendulous. 2. B. usneoides. 

 Thallus short and erect. 



Branches flattened ; spores ellipsoid. 3. B. complanata. 



Branches more or less cylindrical ; spores fusiform. 4. B. Montagnei. 



1. Bamalina peruviana Ach. Lieh. Univ. 599. 1810. 



On trees. Crooked Island, road to Stopper Hill : — Jamaica ; Porto Rico ; Curasao 

 Island ; Peru. 



2. Bamalina usneoides (Ach.) Er. Lich. Europ. 468. 1831. 



Parmelia usneoides Ach. Meth. Lich. 270. 1803. 



On branches of trees, Abaco and Watling's Island : — ^widely distributed in trop- 

 ical regions of both hemispheres. 



3. Bamalina complanata (Sw.) Ach. Lich. Univ. 599. 1810. 



Lichen complanatus Sw. El. Ind. Oec. 3: 1911. 1806. 



Bamalina denticulata (Eschw.) Kyi. Bull. Soc. Linn. Norm. 11: 4: 129. 

 1870. 



On trees, Abaco, New Providence, Bleuthera and Long Island : — widely dis- 

 tributed in the warmer regions of both hemispheres. 



4. Bamalina Montagnei DeJSTot. Giorn. Bot. Ital. 2: 218. 1846. 



Bamalina rigida var. Montagnei Tuck. Syn. N. A. Lich. 1: 23. 1882. 



On twigs and branches. Great Bahama, New Providence, Cat, Watling's, and 

 Acklln Islands : — southern United States ; Cuba ; Jamaica ; Porto Rico. 



