The Scottish Nattiralist 299 



pedicellatoettubuloso-protracto; sporse, .025-.035 x .013-.021 

 mm. ; paraphyses graciles, filiformes, in gelatina firma in- 

 volutoe apicibus fuscescentibus conglutinatis. loclo thecae 

 coerulescentes cseteroquin gel. hym. non vel vix tincta. 

 Spermatia curvula vel arcuata cylindrica, .006-. 00 7 5 x 

 .007-.009 mm. Medulla alba (K — C — ) 



Ad ramulos prope Knysna in Africa Austral., a D*"^ J. B. 

 Knobel lecta. 



Pan7ielia siiffixa sp. nov. — Thallus parvus prostratus pallidus vel 

 pallide glaucescens vel pallide plumbeo-tinctus laevigatus, 

 fere totus laciniato-divisus, laciniis planis radiantibus angustis 

 (latit. circ. .5-1 mm.), sinuato-lobatis, subtus niger ambitu 

 spadiceus, creberriter nigro-rhizinosus, rhizinis ssepe divari- 

 cato-divisis ; medulla alba (K — C bene erythrinosa, sed C 

 seorsum, leviter vel obsolete erythrinosa). 



Ad cortices prope Knysna in Africa Austral., a D^^ J. B. 

 Knobel lecta. 



The colour resembles that of P. niolyhdiza (Nyl.), which has 

 also been sent from S. Africa by Prof P. MacOwan. 



Parnielia etiplecta sp. nov. — Thallus pallidus vel pallide virescens 

 adpressulus, interdum sorediiferus, lobato-divisus, subtus 

 niger parce rhizinosus, ambitu fuscescens ; medullse stratum 

 superius, album (K flavescens), inferius, tenue, flavescens vel 

 pallide flavescens (K rubens vel aurantiaco-rubens). Sterilis. 



Ad ramulos prope Brisbane (F. M. Bailey) etiam in Bahia 

 (Moseley). 



The specimen from Bahia has a paler thallus and is not so- 

 red iiferous, but it is very small and not in good condition. 



Parmelia nitescens sp. nov. — Thallus pallescens vel etiam pal- 

 lide cervino-fuscescens, nitidiusculus, laciniatus, laciniis im- 

 bricato-depressis sinuato-lobatis, margine planis vel recurvis 

 et tunc sorediosis, punctis albidis minutis (latit. circ. .1 mm.) 

 vel sulcis sorediosis parce adspersis, subtus niger, ambitu 

 spadiceus nudus (quantum video) nonnihil rugulosus ; med- 

 ulla alba (C erythrinosa vel cinnabarina) ; apothecia et 

 spermogonia ignota. 



Supra cortices prope Brisbane (F. T^I. Bailey). 



