49 



Boodlea Murr. et De Toni. 



1. Boodlea Siaineusis Reinb. 



Reinbold, Th., in Schmidt, Flora of Koh Chang, part V (Bot. Tidsskr., 

 vol. 24, 1901, p. 107). 



For comparison 

 with my West In- 

 dian plant I have 

 had authentic ma- 

 terial preserved in 

 alcohol and col- 

 lected by Dr Johs. 

 Schmidt in Siam. 

 By means of it I 

 have been able to, 

 persuade myself as 

 to their identity. 



In agreement 

 with the Siamese 

 plant the West In- 

 dian form is found 

 as rather soft and 

 loose, sponge-like 

 clumps consisting of 

 the fdaments twist- 

 ed together. And 

 quite as is the case 

 in the Siamese plant, 

 as pointed out by 



Reinbold, the 

 primary fdaments 

 in the West Indian 

 form are also less 



ramified and have Fig. 34. Boodlea Siamensis Reinb. 



long cells up to 20 "> P^''*' °f thallus showing ramification, at its base 



,. jj. , with rhizoids; b and c, parts of the thallus with 



cliam. hligner up opposite branches getting herewith a Struvea-hke 



the ramification is appearance d and e, summits of branches with 



• , 1 11 tenacula. /, zoosporangia (/ from a specimen from 



richer, as each cell siam). («, about 15:1; i, c, d, /, 25:1; e, 35:1). 



here from its upper- 

 most end produces 1 — 2, sometimes even more branches. The 

 ramification is very irregular and the branches grow out in all 

 directions ; sometimes opposite branches occur and where this 



4 



