THE VEGETATION OF THE JLAN FERNANDEZ, ISLANDS 



91 



Campyhpus introflexus 

 Ditrichum afjine 

 Fissidens pycnotylus 

 RImconiitrium symphyodontum 

 Thysanoniitrium Richard: 

 Tortula scabrinertns 



Frullania stipatiloba 

 Jamesoniella colorata 

 Lepicolea ochroleuca 

 Plagiochila hyadesiana 



Blastema femandeziana 

 Buellia sp. cop. 

 Cahplaca rubina 



y> Selkirkii cop. 



Caiillaria i/ieobromina 

 Cladonia gracilis cop. 



Lecidea cyanosarca 

 » enteroleuca 

 » inactiva 

 » 7'iridans 

 Pamielia caperata 

 » laevigatula 

 » pilosella 

 Pertusaria hadrocarpa 

 Pseudocyphellaria argyrcuea 

 Psoroma sphinctrinum 

 Ramalina linearis 

 Schismatomma accedens 



» JnelancJiolicum 



Stereocaulon proximum 

 » ramulosum 



Sticta lineariloba 

 Usnea dasypogoides 



36. (5 B.) Community of Bryophytes and Lichens. Portezuelo de \'illagra, 



c. 600 m, 2512 1916. Vertical wall facing S\V. 



Anacolia subsessilis 

 Dicranoloma Billardieri 

 Ditrichum afjine 

 Fissidens pycnotylus 

 Rigodiutn toxarium 

 Thysanomitriu})i Richardi 

 Weymouthia mollis poor 



Lepicolea ochroleuca 



Lecidea enteroleuca 

 Parmelia laei'igatula 

 Pertusaria hadrocarpa 

 Pseudocyphellaria argyrcuea 

 Stereocaulon ramulosum 

 Theloschistes flavicans 



37. (7 B.) Ramalina line ar is -comriwxxiwx . South side of island, Loma de las 

 Cabras, rock pinnacle, 380 m, 5 i 191 7. Sea-birds often perch on this rock, which 

 was spotted with their droppings. 



Ramalina linearis, covering 



the west face, otherwise scattered 



Parmelia perlata, forming a fringe 



around the base 



Gyalecta jenensis 



Lecidea ai'ium 

 Pertusaria hadrocarpa 



» melanospora 



Physcia picta 

 Stereocaulon proximum in fissures 



The \'egetation at the streams and cascades. 



Innumerable rills come down from the ridges in the wooded country, where most 

 of the valleys from Frances to Juanango carry some water most of the time; the 

 current is as a rule swift and the water leaps over the thresholds formed by harder 

 layers of basalt, which are covered with luxuriant verdure. 



38. (6.) The canyon of Pangal, at the first waterfall counted from below, 

 200 m, I I 1917. PI. 98. 



a. Gumiera peltata-Cladium-Fissidens rigidulus-^oc\zX\ox\ . In the spray on the 

 side of the running water and probably more or less inundated after heavy rains. 



