— 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, 8. China, Japan, Ceylon and Madagascar. 
Parkeriaceae. 
Ceratopteris Brongniart. 
67. €. thalictreides (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 ete. 
Lycopodiaceae. 
Lycopodium L. 
68. UL. cernuum 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. carinatum Desv. Encycl. bot. suppl. III, 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 §. India to Polynesia. Epiphytic. 
Selaginellaceae 
by G. Hieronymus — Berlin. 
Selaginella. 
70. S. argentea (Wall.) var. rubescens Hieron. non var. 
Differt a forma typica caulibus foliisque rubescentibus. 
Klong Majum, alt. 700 ft.. on rocks in the jungle. 
Area: Indochina. 
71. §. siamensis Hieron. n. sp. 
E subsectione Microphyllarum sectionis Heterophyllarum ; caulibus 
longe et late repentibus, subteretibus, parum 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. & 
