DERIVATION OF THE FLORA AND FAUNA 253 



I. Andine-Chilean element. — ^106 (62.4%). 



a. Endemic species supposed to be most nearly related to Chilean species (7): 

 Psoroma vulcanicum, cephalodinum, dasycladum and angustisectum, Pseudocyphel- 

 laria berteroana, Lecidea avium, Pertusaria Skottsbergii. 



b. Also known from Chile (88): Verrucaria microspora, Normandina pulchella, 

 Pyrenula mammillana, Pyrenastrum chilense, Sphaerophorus melanocarpus, Arthonia 

 complanata, Dirina limitata, Schismatomma accedens, Byssocaulon niveum, Thelo- 

 trema lepadinum, Diploschistes scruposus, Dimerella lutea, Pachyphiale cornea, 

 Coenogonium velutinum, Racodium rupestre, Physma chilense, Leptogium molucca- 

 num, tremelloides, cyanescens, phyllocarpum and Menziesii, Parmeliella nigrocincta 

 and pycnophora var., Pannaria rubiginosa, Psoroma pholidotum and sphinctrinum, 

 Lobaria crenulata, Pseudocyphellaria argyracea, intricata, cinnamomea, hirsuta, 

 Guilleminii, gilva, mougeotiana and aurata, Sticta Weigelii, lineariloba and lati- 

 frons, Nephroma plumbeum and australe, Peltigera rufescens and polydactyla, 

 Lecidea leucoplaca, mutabilis and icterica, Catillaria melastegia and leucochlora, 

 Rhizocarpon geographicum, Phyllopsora parvifolia, Baeomyces chilensis, Cladonia 

 pycnoclada, bacillaris, didyma, coccifera, aggregata, furcata, gracilis, pyxidata, 

 fimbriata and pityrea, Stereocaulon ramulosum and implexum, Coccotrema granu- 

 latum, Melanaria melanospora, Lecanora coarctata, atra and polytropa, Placop- 

 sis chilena, fuscidula, parellina and gelida, Candelariella vitellina, Myxodictyon 

 chrysostictum, Parmelia saxatilis, laevigata, conspersa, perlata and caperata, Mene- 

 gazzia sanguinascens, Ramalina linearis and usnea, Usnea florida and angulata, 

 Bombyliospora dolichospora, Caloplaca elegans, Buellia stellulata, Theloschistes 

 flavicans, Cora pavonia. 



c. Widespread to cosmopolitan species expected to occur on the mainland 

 of Chile (11): Diploschistes actinostomus, Pseudocyphellaria fragillima, Sticta laci- 

 niata, Catillaria intermixta and endochroma, Bacidia endoleuca, Pertusaria leio- 

 placa, Parmelia revoluta, cetrata and cetrarioides, Physcia picta. 



II. Subantarctic-Magellaniati element. — 14 (8.2 %). 



a. Endemic: Pertusaria hadrocarpa. 



b. Also in W. Patagonia, Fuegia etc. (13): Pannaria fuegiensis, Pseudocyphel- 

 laria chloroleuca, nitida, endochrysea, Durvillei, flavicans, Freycinetii and Richardi, 

 Nephroma cellulosum and antarcticum, Stereocaulon patagonicum, Lecanora albel- 

 lina (endem. var.), Anaptychia pectinata. 



III. Neotropical element. — 26 (153%). 

 Endemic, or found or expected in South America, but not recorded for Chile. 



a. Endemic (5): Arthonia subnebulosa and berberina, Enterostigma Skotts- 

 bergii, Lecanora masafuerensis, Caloplaca orthoclada. 



b. Not endemic, some perhaps to be expected in Chile (14): Arthopyrenia 

 Cinchonae, adnexa and planorbis, Phaeographina scalpturata, Leptogium calli- 

 thamnion, Megalospora versicolor (endem. var.), Bacidia subluteola, Toninia bullata, 

 Acarospora xanthophana, Pertusaria polycarpa (endem. var.), Parmelia laevigatula, 

 abstrusa and microsticta, Anaptychia hypoleuca. 



