LICHENES — DR JEAN" MULLER. 347 



Order II. EPICONIACE^E. 



Epiconiacece, Mull. Arg. Lich. Geneve 19. 

 Coniophorei, Nyl. Ess. 167 (sine charact.). 



Tribe Calicie^e. 



Caliciece, Miill. Arg. Lich. Geneve 19 ; Stitzb. Beitr. 157. 

 Caliciei, Nyl. Syn. 141. 



Obs. The tribe of the Sphserophoreee has not been observed in Socotra. 



1. CALICIUM. 



Calicium, De Not. iu Giorn. Bot. Ital. 2, p. 309 (ex Th. Fries); Th. Fries Heterol. 102; 



Stitzb. Beitr. 157. 

 Calicium, Ach. pr. p., Nyl. pr. p. 



A genus belonging nearly entirely to the northern hemisphere. 



C. leucinum, Miill. Arg. in Proc. Eoy. Soc. Edin. xi. (1882), 457. 



Thallus lutescenti-albus, sat crassus, subtartareus, minute rimulosus, superficie farinulentus. 

 Gonidia globosa, flavo-viridia. Stipites breves, cum capitulis circ. \ mm. longi, 50-80 //. lati, 

 fusco-nigri et opaci, nonnihil fusco-pellucidi et superne clavatim in capitula obovoidea 

 1 ^V mm. lata abeuntes ; capitula undique fusco-nigra et opaca, lateraliter nuda. Asci 

 lineares, 8-spori. Sporse 6-10 /a longae, 5-6 fi latae, ellipsoideae, biloculares, atro-fuscae. 



Juxta proximum C. populneum, de Brond. inserendum est. 



Socotra. Lignicolum. B.C.S. n. 1465 pro parte. 

 Distrib. Endemic. 



2. SPHINCTRINA. 



Sphindrina, De Not. in Giorn. Bot. Ital. 2, p. 309 ; Nyl. Ess. 168, Syn. 142 ; Th. Fries 



Heterol. 103; Stitzb. Beitr. 157. 

 Calicii sect. Sphindrina, Tuck. Gen. 241. 



A much dispersed but small genus. 



S. microcephala, Nyl. Prodr. p. 280. 



Socotra. In thallo Pertusarice cAcatricosce in ramis Balsamodendri supra 

 Wadi Digal alt. 300 m. Schweinf. 



Distrib. Europe and North and South America. 



