108 



THE LICHEN FLORA OF QUEENSLAND, 



Sn small, flat, lobed, rayed, with a very thin, little raised 

 margin. 



Hab. — On bushes and trees, Gowrie Mountain. 



11. Usnea elegans, Stirton (K — C — ) 



Fronds arising from a small horizontal circular thallus 

 (diam. 6 m.m.), filamentous, pale yellow, well rounded, firm, 

 erect, 1 — 2 in. high, sparingly divided, sometimes simple 

 Sn and then stiff, in every part densely fibrillose ; medullary 

 axis slender, almost filiform (K — C — ); apothecia of Similar 

 colour throughout and moderat ly pale, terminal, flat, — 13 

 m.m., receptaculum fibrillose, especially the margin, disk 

 enamelled ; spores 8, colourless, ellipsoid or broadly ellip- 

 soidal, simple, -0085 — -Oil x -008 m.m. Hym. gel. with 

 iodine intense blue, then obscure. 



Syn. — Usnea dasypoga v. elegans ; Eumitria elegans, St. 

 I fab. — Gowrie Mountain, Darling Downs. 



Trihk VriL— Alectoriei, Nyl. 



Thallus terete or compressed, erect or pendulous, filiform, 

 intricately branched, internally with a woolly medulla. 

 Apothecia usually dark-coloured, concolorous or discolorous, 

 lecanorine, with an entire thalline margin. Spores various, 

 * often ellipsoid. Spermatia various. 



• I. — Alkctoiiia. 



Characters similar to those of the tribe. 



1. A. australiensis, C. K. 



Thallus black-brown, thread-like, with long, terete, shining, 

 non-lacunose threads, somewhat unitedly twisted below ■ 

 above with distant divergent branches. Apothecia not seen. 



