648 LICHENES ANTARCTICI. 
bifidis lobulis acutiusculis, gemmis marginalibus confertis 
granulosis vix elevatis subconfluentibus, cyphellis concolo- 
ribus pulverem albidum effundentibus, apotheciis sessilibus 
submarginalibus disco atro margine lacero-crenulato. 
Has. Lord Auckland's group and Van Diemen’s Land. 
A span long; ridges of the lobes transverse, curved; 
lobes nearly 4 inch wide; apothecia few, a little larger than 
turnip seed. Lobes sometimes one inch, sometimes only one 
line wide. 
88. S. impressa, n. sp.; thallo substellato lineari-lobato al- 
bido-olivaceo lacunoso subtus subrufo lobis subpatentibus 
truncatis, sorediis pallide flavis punctiformibus convexis 
apice impressis, gemmis marginalibus planis subrotundis, 
apotheciis confertis marginalibus plano-convexis disco ni- 
gro margine gemmis coronato. 
Has. Lord Auckland's group, Campbell Island, Falkland 
Islands and New Zealand. : 
89. S. flavicans, n. sp.; thallo expanso inciso-lobato glauco 
flavescenti-virescenti nudo glabro lobis rotundatis subin- 
tegerrimis subtus rufo-flavis nudiusculis, gemmis margina- 
libus confertis elongatis granulatis statim explanatis, sore- 
diis minutis sparsis flavis, apotheciis stipitatis concavis 
extus lanuginosis disco rufo-atro margine subintegerrimo. 
Has. Falkland Islands, Cape Horn and New Zealand. 
Nearly 1 foot wide. Towards the centre the thallus 1s 
sometimes rugose, but never scrobiculato-lacunose as in S. 
orygmea, Ach.; besides the soredia are fewer, the apothecis — 
receive a footstalk from the pinched up thallus, leaving? — 
corresponding cavity on the inferior surface, and they are 
not naked exteriorly as in the Acharian species. 
90. S. coriacea, n. sp.; thallo coriaceo rufescenti-cinereo 
margine subtusque albido-villoso celluloso-scrobiculato, 10- 
bulis margine decurvis subcrenatis subtus concoloribus, 
gemmis marginalibus planis villoso-ciliatis, cyphellis albis 
concavis marginatis, apotheciis sessilibus concavis extus. 
villosis disco rufescenti-nigro margine incurvo. 
Has. New Zealand, 
