THE LICHEN FLORA OF QUEENSLAND, 



1. S. ramulosum, Ach. 



Thallus caespitose, ramose, pale hoary grey, 3-5 in. high, 

 stout, erect, granular, fibrils bearing spherical, pedicellate, 

 pale cephalodia. Apothecia terminal, distinct, or at times 

 two together, pale, reddish or brown, convex or sub-globose or 

 ~y\ kidney.shaped. without a thalline border. Spores sub-linear 

 or narrowly fusiform, 3-septate ; theca? broadly ovate 

 8-spored, blue with iodine ; paraphyses discrete, with pale 

 brown clavate tips. 



Syn. — S. macrocarpum, A. Richards. 

 Hub. — Maroochie. 



2. S. nanum, Ach. 



Thallus h in. persistent, crespitose, floccose-pulverulent 

 above, denudaxe below, simple or divided, easily breaking up 

 into powder. Branches sub-fastigiate, obsoletely arachnoid, 

 M granules albido-glaucescent or subreruginose, minute, nodu- 

 lose or powdery. " Apothecia lateral, convex, black, seldom 

 found." (Johannis Lennis in Deut. Crypt.) 



Hab. — Toowoomba, growing on the ground and on dark 

 shady rocks. 



?). S. arbascula, Nyl. 



Somewhat similar to S. nanum, Ach., but the podetia almost 

 M an inch in length, thickly dentritico-ramulose, soft, and of a 



soiled colour. 



ri be V. — Cladoniei, Nyl. 



Thallus partly or entirely laciniato-foliolose, or squamoso- 

 foliolose, or fruticulose or cajspitose, witli hstulose podetia, 

 often ramose. Apothecia biatorine, or cephalodine, convex, 

 immarginate, on the podetia, rarely on the leaflets. Spores 

 simple. Leigh. Lich. Fl. G. Brit. p. 54. 



I. — Thysanothecium, Nyl. 



Thallus horizontal, usually lurid-green, lobulate-squamulose ; 

 squamules congested into an areolate, granulate crust. 

 Podetia erect, stout, short, scyphiferous from dilating into 



