Q.2 C. SKOTTSBERG 



Peperotnia berteroana I 



Polypogon crinitus i Anthoceros Skottsbergii 



Verbena litoralis i Meisgeria decrescens greg. 



Riccardia nudbnitra 

 Syniphyogyna hymenophyllum greg. 



Mimulus glabraius v. externus 2 



Erigeron rupicola I 



B. Sociation of hygrophilous Bryophyies on the perpendicular wall, washed 

 by the cascade. 



Fissidens rigidiilus Pterygophyllum obscurum 



Philonotis vagans var. Sciaromiinn pachyloma 



krauseana LopJiocolea sp. 



73. (40 E.) Calystegia tiiguriorum-^oz\dX\oxi. North branch of Quebrada de 

 las Vacas, wet barranca not far from entrance, 10/2 + 13/2 19 17, Calystegia 

 forming a pure society at the foot of the cliff (PI. ^T- 1)- Width of canyon 

 about 10 m. 



11:3 ":i 



Dendroseris tnacrophylla I Cystopteris fragilis var. i 



Nicotiana cordifolia i Lobelia alata v. rupmcola i 



Mimulus crlabratus v. externus i 



11:2 



Calystegia tuguriorutn 5 



Bromus fernandesiatius i Bryum feniandezianum 



Hypolepis rugosuta I Eustichia Poeppigii 



Peperotnia berteroana i Gymnostomum calcareum 



Jernandeziana I Lophocolea divergenticiliata 



Pteris berteroana i Plagiochasnia rupestre 



The Vegetatio7i above the timber-Hue. 



I pointed out above that there is no continuous timber-line on Masafuera; 

 the wooded belt consists of separate stands filling the valleys between approx- 

 imately 300 and 700 m, in cases beginning lower down and extending higher up. 

 Along the intervening ridges the basal grass-land stands in open communication 

 with the Subalpine table-land. 



The Subalpine fern-grass heath. 



74. (40 F.) Dicksonia externa-Lophosoria-Gumiera Masafuerae-h^^\\\oy.2,n\.\\wxv>, 

 complex (p. 931). Quebrada del Mono, a little above the uppermost luma-grove, 

 c. 720 m above sea-level, 12/2 1917. Bryophytes and lichens not recorded. PI. 105. 



Ill Pernettya rigid a I 



Dicksonia externa i 



II: I 



11: 3 Rume.x acetosella 3 



Loplwsoria quadripinnata 3 greg. Blechnum auriculatuin 2 



Gunnera Masafuerae 2 greg. 



II: 2 Nertera granadensis var. i 



Anthoxanthum odoratum 5 greg. 



