Qco C. SKOTTSBERG 



II: I I 



Adiantum chilense 4 B?yitm fcrnandesianum 



Asplenium obliquum v. chotidrophyllum 3 Fioiaria hy grometrica 



Oxalis corniculata 2 Symphyogyna cifcinata greg. 



Blcchnum aun'culattt/n i 



92. (19 B.) Colonists on coast cliffs between Quebrada Angosta and Punta 

 Negra, 162 191 7. 



Aspletiium obliguuvi v. chondroPihyUian, Eryngiwn sarcophyllutn 



common Libertia formosa 



Carex berteroniana ^^^'^'"' «^«^« ^"- rupincola, wet places 



Erigeron rupkola Xicotiana cordijolia 



93. (19 C.) Scirpus 7iodosus-'^oc\dX\ox\. Tierras Blancas, on a narrow talus 

 stip at foot of cliff, 162 1917. 



11:3 11:2 



Nicotiana coT-difolia, many shrubs Libertia formosa 2 



Scirpus nodosus 2 



94. (31.) Degraded Scirpus nodosusSocmX.\ox\. Playa Ancha, 123 1917. Level 

 beach with sandy-clayey soil, strewn with stones; along the water a wall of rounded 

 boulders. 



II: 2 Anagallis arvensis 2 



Chenopodium multifidum 2 Spergularia co?ifcrt{flora 2 



Sonchus oleraceus 2 Tetragonia expansa i 

 Scirpus fiodosus i I 



II: I Lecidea icterica on earth 

 Polypogon crinitus 3 



95. (23 D.) Littoral communities of lichens at south bluff of Casas near land- 

 ing. Exposed to surf and spray. 242 1917. 



A. Lowest zone, washed by the sea also in calm weather. No lichens or 

 algae. 



B. A narrow zone 3 — 4 m above high-water, protected by huge stone-blocks, 

 but sprayed in stormy weather. 



Buellia stellulaia cop. Pertusaria melanospora 



Calopiaca Selkirkii Rhizocarpon geographicum 



C. A little above and inside B, rarely reached by the spray. 

 Calopiaca elegans v. australis Parmelia conspersa var. 

 Lecanora atra Pertusaria hadrocajpa 



» dtspersa » }>ielatwspora cop. 



96. (26 C.) Lichen community on vertical dyke in coast cliff near Quebrada 

 del Mono, 27/2 191 7. 



Buellia stellulata cop. Lecanora atra 



Calopiaca elegans v. australis cop. Pertusaria tnelanospora 



» orthoclada large patches Rhizocarpon geograp/iicufn 



» Selkirkii 



