34 



THE LICHEN FLORA OF QUEENSLAND, 



The following were given as Queensland plants in the Vic. Natura- 

 list for Oct., 1887 :— S. fragillissitna, J. Mud I; 8. sulphurea, 

 Schaer ; S. Karsteuii, J. Muell ; and S. Sayeri. J. MuelT 



IV. — Ricasolia, De Not. 



Thallus of Sticta, but usually without sored ia on the upper 

 surface or cyphelhe on the lower ; free cellular stratum of small 

 yellow-green gonidia ; rhizinse fasciculate. Apothecia with a 

 prominent margin ; spores often elongate-fusiform or acicular. 

 Spermagonia in prominent mamilhe. 



1. R. Sclnereri, Mnt. 



Thallus appressed, stiff, shining, smooth or slightly im- 

 pressed, laciniate-lobate, lacinise sinuate along the lateral 

 margins, and dividing, generally after one bifurcation, 

 into rounded marginal lobules similar in shape and size to 

 the lateral ones, upper surface glauco-pallescent, drying pale 

 reddish-brown, freely marked, especially at the apices of the 

 lobules, with the pertusarioid papillae of the spermagonia; 

 Sn. under surface vermilion, also smooth and shining. Apo- 

 thecia raised, receptaculum hemispherical, somewhat 

 oblique ; disk cinnabar-red ; margin inflexed ; spores 

 colourless or pale-brownish, fusiform, 1 — 3 septate, '035 

 x -01— -012 nun. 



Syn. Sticta Schaereri, A/nt, ; 8. laciniata v. macrophylla 

 Il n >p. 



//<tb. On moss, Blackall. 



2. R. rhaphispora, C. AT. 



Thallus unequally pale blue-grey, drying dull yellow or 

 dull yellow-red, thinly membranaceous, here and there 

 smooth, otherwise rugose, when young closely appressed ; 

 lobed, witli rotundate-crenate lobes, often cuneate in 

 general outline, the broad margins deeply and freely 

 incised ; towards the centre the margins of the laciniaj 

 are fimbriated; no prominent papillae ; under surface pale 

 yellow or fawn-yellow, with fuscous rhizina 1 , and small 

 flat, whitish cyphella?. Apothecia marginal 2-5 — 4 m.m., 



