, THE PHALLOIDE^ OF CEYLON. 173 



examined in the fresh specimen . Colus has an external median 

 groove on each arm, but this is formed by two thin wings which 

 spring from the edge, and are continuous along the whole length 

 of the arm : and in Colus javanicus, Penz., the inner side of the 

 arm bears small groups of processes, which Penzig says are 

 additional chambers with perforated walls : these latter bear 

 the gleba. On the other hand, the median groove of Colus 

 Gardneri is a gap in an otherwise continuous series of close- 

 packed lamellae which cover the arm everywhere else : the 

 species differs in the structure of the arm, the gleba-bearing 

 processes, and the stem, leaving nothing but the general 

 appearance to justify its inclusion in the genus Colus. 

 Following Fischer's classification according to the general 

 shape of the receptaculum, the species must remain as Colus, 

 but it would seem preferable that the structure of the gleba- 

 bearing portion should be taken into account, and Colus Gard- 

 neri separated from such a totally different species as Colus 

 javanicus. Neither Colus javanicus nor (apparently) Colus 

 Garcice belong to the " rugulosi." 



Wlien Fischer wrote his " Untersuchungen zur vergleichen- 

 den Entwicklungsgeschichte und Systematik der Phalloideen " 

 in 1890 he had examined one of Berkeley's Ceylon specimens 

 in the herbarium of the Paris Museum. He says that this ex- 

 ample did not allow the arrangement of the dorsal median 

 line and the apex to be clearly understood. In 1893 he writes : 

 " In Berkeley's and the Kew Herbarium there are numerous 

 examples of this fungus, all from Ceylon. I was able to 

 determine with certainty on some of them that the arms are 

 actually united at the top, though the junction is extraordi- 

 narily thin. But the possibility is not excluded that examples 

 may occur in which the arms are free. Further, it is a charac- 

 teristic of this species that the lowest part of the arm is non- 

 sporiferous, and correspondingly not transversely wrinkled." 

 The last phrase indicates that Fischer did not discover that tiie 

 species belongs to tlie " rugulosi " section of Phalloids, for the 

 transverse wrinkles which he refers to are the ends of the gleba- 

 bearing plates : as our photograph shows, the lower parts of 

 the arms are transversely wrinkled, though not in the sense 

 intended by Fischer. 



