, 44 A. ZAHLBRUCKNER 



Stictaceae. 



Lobaria Schreb. 

 L. crenulata Trevis. 



Trevis. Lichenoth. Veneta, 1869, no. 75; Wain., Etud. Lich. Bresil, vol. I, 

 1890, p. 19;; Hue in Nouv. Archiv. du Museum, ser. 4, vol. Ill, 1901, p. 35. — 

 Parmelia crenulata Hook, apud Kunth, Synops. Plant. Aequin. Orb. Novi, vol. I, 

 1822, p. 23; Mont, in Annal. Scienc. Nat., Bot , ser. 2, vol. IV, 1835, P- tJ ° et 

 apud Gay, Hist. Fisic. y Polit. Chile, Bot., vol. VIII, 1852, p. 130; Johow, Estud. 

 Flora Juan Fernand., 1896, p. 199. — Sticta crenulata Del., Hist. Lich. Sticta, 1822, 

 p. 128, tab. XIV, fig. 53. — Ricasolia crenulata Nyl. in Memoir. Soc. Scienc. Nat. 

 Cherbourg, vol. V, 1857, p. 104 et Synops. Lich., vol. I, i8t>o, p. 372. 



Masatierra: auf Rinden in den Waldern der hoheren Berge (BERTERO 

 no. 1633); Quebrada Juanango, 250 m, auf Baumstammen, reichlich fruchtend 

 (C. und I. Skottsberg). 



Sticta Schreb. 

 Conspectus specierum: 



A. Gonidia nostocacea (Stictina). 



a. Thallus subtus cyphellis veris praeditus. 



I. Thallus monophyllus, saepe lobatus, lobis latis et rotundatis, 



in margine non isidiosis St. fuliginosa. 



II. Thallus laciniatus vel lobato-laciniatus, lobis angustionbus et 



in magrine plus minus coralloideo isidiosis St. Weigelii. 



b. Thallus subtus pseudocyphellis praeditus. 



I. Pseudocyphellae albae. 



1. Thallus superne maculis vel sorediis albis cinereisve or- 

 natus. 



a. Thalli lobi in margine nudi, esorediosi St. argyracea. 

 (3. Thalli lobi in margine albosorediati St. intricata. 



2. Thallus superne sorediis destitutus. 



a. Lobi thalli angusti, in margine integri, canaliculati 



St. fragillima. 

 p. Lobi thalli latiores, in margine rotundato-incisi, plani 

 vel subplani, nunquam canaliculati St. cinnaptomea. 

 II. Pseudocyphellae citrinae vel luteae. 



1. Thallus superne aequaliter reticulato-lacunosus 



St. Berleroaua. 



2. Thallus superne plus minus laevigatus, nunquam lacunosus. 

 a. Thallus superne plus minus hirsutus vel puberulus. 



§. Thallus superne hirsutus, cervinus vel rufescens, 



subtus concolor St. Jiirsuta. 



§§. Thallus superne puberulus, murinus, subtus cer- 



vino-pallidus St. Guillemini. 



[3. Thallus superne nudus. 



