102 
of Nodi with two thorns and two common leaves. 
- yon ae « One thorn». three--, is ‘5 
Dacstow ite geadnad{ LOur = 
Sly 9) ) " oaly a swollen ring). 
In a ioe cases the oes is visible as an appendage at the 
base of a blade. The different shapes as produced by the 
coalescing leaves may be imagined from fourtopped pitchers, 
coalescence of two adjacent leaves to a circular whole, coales- 
cence of the midribs, two topped leaves and so on. 
As for the stem we record fasciation and alternation of 
ordinary internodes with such of 1—2 m.m. In these cases the 
lower internode produces only thorns. 
The deviations here described suggest both reversion to former 
structures and a close relation between Gnetum and Ephedra. 
LYCOPODIACEAE, 
Selaginella nummularia Warb. 
Habitat the Philippine Islands. 
Legit A. D. E. Exmer, but unearthed from the Buitenzorg 
Herbarium by Mr. C. R. W. K. van ALpERWERELT VAN ROSENBURGH. 
Two cones proliferating: from one springs a single, from the 
other a forked little stem. The same phenomenon has been 
observed and described by Goxsen with S. Lyanu, cfr. *Pxnzie 
Ill, p. 564. 
Lycopodium pinifolium BI. 
Habitat Sumatra. 
Legit H. A. B. Bonnemuyer, March 1920 but unearthed by 
Mr. van ALDERWERELT VAN RosENBURGH. 
Cones proliferating, according to Dr. Swrra of very frequent 
occurrence in this genus. 
Lycopodium phlegmaria L., var. filiforme. 
Legit H. A. B. Bonnemerer, April 1920, but unearthed by 
Mr. van ALDERWERELT. 
Foliar prolification as above. 
