- 113 - 



Hills near Klung. 



Area: A very large earth-fern of the whole Malayan region from E. Poly- 

 nesia and M. Australia to N. India, S. China, Japan, Ceylon and Madagascar. 



Parkeriaceae. 



Ceratopteris Brongniart. 



67. C. thalictroides (L. Spec. Plant. 1527 sub Acrosticho). 

 Common in pools and rice-fields throughout the area explored. 

 Area: Water fern, universal in tropical regions in ponds, tanks etc. 



Lycopodiaceae. 

 Lycopodium L. 



68. L. ceruuum L. 



Lem Dan, Klong Son, in open grassy country. 



Area: Universal throughout the warmer regions of the globe to the Azores, 

 Japan, the temperate Pacific islands, and S. Africa. Earth-fern. 



69. L. cariiiatum Desv. Encycl. bot. suppl. Ill, 559. 



258 g is a very elongated form with rather obscure carina. 



Koh Kong and Koh Kahdat on low trees in the jungle. 



Area: The Monsoon-region from S. India to Polynesia. Epiphytic. 



Selaginellaceae 



by G. Hieronymus — Berlin. 



Selaginella. 



70. S. argentea (Wall.) var. rubesceiis Hieron. non var. 

 Differt a forma iypica caulibus foliisque rubescentibus. 

 Klong Maium, alt. 700 ft., on rocks in the jungle. 



Area: Indochina. 



71. S. siauieiisis Hieron. n. sp. 



E subsectlone Microphyllarum sectionis Heterophyllarum; caulibus 

 longe et late repentibus, subteretibus, partim compressis, radiciferos 

 teretes rubescentes ramosos usque ad 2 dm. longos gerentibus, re- 

 mote foliosis ; foliis parum heteromorphis ; lateralibus e basi cordata 

 utrinque auriculata (auriculis rotundatis) ovatis, longe cuspidatis 

 (cuspide integro usque ad 1 mm. longo), inaequilateralibus ; semi- 

 facie apicem caulis versus spectante latiore, margine ciliis numerosis 

 usque ad 0,08 mm. longis ornata ; semifacie altera basin caulis ver- 



Botanisk Tidsskrift, 24. Bind. 



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