211 



contrariwise, collected his fungi on fallen tree-trunks in a rather moist 

 and dense forest, a locality much better fit for the development of 

 such organisms. He mentions in his paper mushrooms and toadstools 

 probably meaning by the first of these popular terms edible species, 

 by the second inedible ones. Such a mere culinary distinction has to 

 be considered out of place in a phyto-geographical study. As to the 

 great variety of these mushrooms, the list of fungi given in the first 

 Appendix includes but 3 species known to be edible: Schizophyllum 

 alneum Schroter (= Sch. commune Fries); Auricu/aria auricula /udae 

 Schroter and Polyporus grammocephalus Berkeley, whilst a fourth 

 species, Pycnosporus sanguineus Murrill (~ Polystictus sanguineus 

 Fries) is a native medicine. But of these 4, only Schizophyllum alneum, 

 being somewhat fleshy, might with some show of right be named a 

 mushroom, so that there is no question of a ,,great variety" of these 

 plants. 



Of the 3 new species of terrestrial orchids which were found 

 in the dry water-channel, one ') (Nenilia aratjoana Gaud.) had 

 already been collected on the same side of the island in 1908; it is 

 recorded for this trip by Mr. Docters van Leeuwen himself 

 in Appendix I to his paper. Arundina speciosa Bl. and Spathoglottis 

 plicate Bl. being heliophilous kremnophytes (See p. 107), one need not 

 wonder that these species were not found in the dense forest. But 

 it is by no means proven that they were not present elsewhere; the 

 less so because Appendix I mentions them both as found in 1919. 



The most remarkable discovery of Job- and lugworms" on 

 Krakatao appears to be due only to an error in the translation 

 of the Dutch into the Hnglish text. For the lob- or lugworm, 

 Arenicola marina Malmgr. (= A. piscatorum Lamk.) recognizable 

 i. a. by a row of tufted gills along each side of the back, is a 

 chaetopode only found burrowing in sandy beaches between the 

 tide-marks 2 ). But as may be derived from the addition Lumbricus 

 sp. and from the Dutch text, no lob-worms were found by the 

 zoologist but earth-worms. From their presence may be inferred 

 that the soil in the forest was rather moist and not lacking in 

 humus. 



') Mr. Docters van Leeuwen | Handelingen Eerste Ned. Ind. Natuurw. 

 Congres (1920), p. 62, No. 141 and Ann. |ard. Bot. Buitenzorg XXXI (1921), p. 131, 

 No. 141] mentions Eulophia mocrostachya LinJI. (see lierebefore p. 207) also for the 

 expedition of 1908. This is an error, the species collected in that year was Eu. macror- 

 rhiza Bl. See p. 180. 



-) Hence the Dutch name zeep/er ( sea-worm). 



