844 



C. SKOTTSBERG 



Fig. 12. a Robinsonia gayatia, apex of branch at end of March 1917; diagrammatic. I with old 

 terminal inflorescense from 191 5 — 16; II fruiting branches; III innovations, of which the larger 

 one is supposed to flower in Xov.-Dec. the same year. — b the same, innovation 3131917, 

 showing withered reduced leaves at base. 12 nat. size. — c juvenile leaf oi Robinsonia evenia, 

 nat. size. — d, e two seedlings oi Robinsonia gracilis, epiphytic on Dicksonia. Nat. size. — y^top 

 of fruiting branch oi Symphyochaeta macrocephala, showing position of innovations; diagrammatic. 



the first internode is long, as much as 3 cm and carries a leaf of reduced size. 

 The first leaves on the main stem differ considerably from the later ones, with 

 which they are united by transitions; they are succulent and densely hirsute, 

 and the limb is oval. The difference is seen in the specimen to the right in Fig. 13, 

 the left-hand one having shed all the juvenile leaves. One juvenile leaf is shown 

 in Fig. 12 c. The definite leaves are perfectly glabrous as in other species but 

 distinctly thicker, an adaptation to the epiphytic life. Flowers Dec. — Feb. 



Robinsonia Masafuerae Skottsb. Endemic on Masafuera, where it is scattered in 

 the highland between 650 and 1370 m, preferring the fern-beds along the gullies. 

 Hardly surpassing 2 m in height, with a short main stem. A well-developed 



