Coccocarpia. 209 



liaud ramosae (H^SOJ. Asci clavati, circ. 0,oi2 0,oo8 millim. 



crassi, apice membrana leviter incrassata. S^jorae 8:nae, distichae, 



apicibus obtusiusculis aut acutis, simplices, decolores. 



Var. parmelioides (Hook.) Mlill. Arg., Lich. Beitr. (FL 1882) 

 11. 421, Rev. Teean. (1887) p. 15. Lecidea parmelioides Hook. in 

 Kimth Syn. Plant. Orb. Xov. (1822) p. 162. 



Thallus lobatus, lobis latis (circ. 10 2 millim.), cuneatis, 

 ambitu rotundatis, integris aut crenatis, isidiis destitutus, subtus 

 aeruginoso-nigricans. Apothecia atra aut fusconigra. 



Ad saxa prope Rio de Janeiro, n. 76, 207. TJiallus circ. 



0,2 0,19 millim. crassus. Stratum corticale superiiis circ. 



0,0 2 miilim. crassum. Stratiim corticale inferius aeruginoso- 



fuligineum. Rhizinae caeruleo-nigricantes. Excipulum extus cae- 



ruleo-smaragdulum, interdum inferne rhizinis instructum (in n. 207). 



Hijpothecium dilute fuscescenti- vel subviolaceo-fuhgineum. Hy- 



menium jodo persistenter caerulescens. Epithecium caeruleo- 



smaragduio-iuligineum, KHO non reagens (n. 76) aut violaceo- 



fuligineum (207). Sporae long. 0,oi3 0,0 8, crass. 0,oo5 0,oo4 



miUim., saepe guttulas duas continentes. Concepjtacula pycnoco- 



nidiorum (in n. 76) thaho immersa, verrucas thaUo obductas, he- 



misphaericas, apice nigricantes formantia, ceterum albida, hyme- 



nium sterigmaticum gyroso-lobatum continentia. Sterigmata 0,oo3 



0,0 04 miUim. crassa, constricte articulata, celluhs subgiobosis, 



numerosis. Pycnoconiclia cylindrico-oblonga, long. 0,0 o 4 0,oo3, 



crass. 0,0 01 miUim., recta, apicibus rotundatis. Apothecia juveni- 



lia in n. 207 semper ^,tric]iogynis'' vel hyphis rhizinoideis, 0,04o 



0,0 3 millim. longis, 0,oo4 0,oo3 millim. crassis, apicem ver- 



sus attenuatis, ex hypothecio parenchymatico excrescentibus abun- 



dantissime instructa. Pycnoconidia his ,,trichogynis" affixa (sicut 



in Stahl, Beitr. Entw. Flecht. I tab. 2 fig. 4 et 5) interdum obser- 



vavi. In n. 76, qui et apotheciis et pycnoconidiis est instructus, 



apothecia juveniha semper trichogynis destituta sunt. 



*Var. cronia (Tuck.) Mull. Arg., Lich. Beitr. (Fl. 1882) n. 421. 

 Tarmelia cronia Tuck., Syn. Lich. New Engl. (1848) p. 36. Fann. 

 inolyhdaea b. cronia Tuck., Syn. North Am. (1882) p. 125, Cocc. mo- 

 lyhdaea var. cronia Nyl., Fl. 1869 p. 119, Syn. Lich. II (1885) p. 43. 



Thallus lobatus, lobis latis aut sat latis, cuneatis, ambitu 



rotundatis, integris aut crenatis, isidiosus, subtus aeruginoso-nigri- 



cans. [A^wthecia atra aut fusconigra.] 



4 



