344 BOTANY OF SOCOTRA. 



1. ANEMA. 



Anema, Nyl. in Flora 1878, p. 342. 



An African genus of which three species only are known ; two are Algerian. 

 Regarding the genus, see Ny lander in Flora 1878, p. 342. 



A. exiguum, Mull. Arg. in Proc. Roy. Soc. Edin. xi. (1882), 457. 



Thallus orbicularis, subangulosus, circiter |-f mm. latus, planus, crassiusculus, siccus niger et 

 minute gibboso-inaequalis, madefactus fusco-niger, monocarpicus. Gonidia 2-4-natim 

 aggregata v. solitaria, olivacea, vel minora et magis caerulescentia, loco filamentorum 

 ramosorum hypbemate copioso cincta. Apotbecia § mm. lata, sessilia, arete adnata, plana, 

 tenuiuscule tballodice marginata; epitbecium subplanum, crassum, intense fuscum ; lamina 

 et hypotbecium byalina. Parapbyses superne incrassatae et distincte articulatae. Asci 

 cylindrici, 8-spori, sporas globosas diametro 6-9 yu, aequantes gerentes. 



Planta babitu ad Omphalariam Notarisii, Mass. accedit. 



Soeotra. Calcicola. B.C.S. n. 1301 pro parte. 

 Distrib. Endemic. 



2. SYNALISSA. 



Synalissa, Nyl. Syn. 93; Stitzb. Beitr. 143. 



A small genus represented mostly in the Mediterranean regions, and in the 

 southern parts of the United States. 



S. nitidula, Mull. Arg. in Proc. Roy. Soc. Edin. xi. (1882), 457. 



Thallus evolutus 2-2^ mm. latus, umbilicato-affixus, supra undique dense caespitoso-ramilligerus 

 ramilli de supra visi subregulares, nod aliform es, teretes, circ. ^y mm. lati, rotundato-obtusi 

 et nitiduli, sicci fere atri, madefacti atro-virentes, lateraliter superne gibboso-nodulosi, 

 cseterum circiter duplo triplove longiores quam lati; filamenta interna tenella, circa gonimia 

 nodulosa. Gonimia solitaria v. 2-4-na. Apotbecia ignota. 



Evidenter juxta nigram Synalissam minusculam, Nyl. (Lich. Angol. p. 3) locanda est. Pars 

 exterior tballi sub microscopio nullibi rufescens, sed undique olivacea v. olivaceo-fuscescens. 

 Gonimia subtriplo majora quam in S. symphorea, Nyl. et olivacea et ramilli tballi longe 

 tenuiores. Structura thalli caeterum omnino ut in Synalissa et Omphalaria. 



Soeotra. Calcicola. B.C.S. n. 1467 pro parte. 

 Distrib. Endemic. 



Tribe 2. Colleme^e. 

 C'ollemece, Korb. Par. 408. 

 Eucollemem, Nyl. Syn. 63, pr. p.; Tuck. Gen. xii. pr. p. 



