206 JAPANESE ISINGLASS SO-CALLED. 



i860. when moist and fresh, may be of a darker colour than when 

 in the hard and dry condition in which they reach this country. 

 We think it hardly probable that the dry specimens in our 

 possession should be brought to fructify, although the instance 

 of ergot of rye producing fruit after having been baked in an 

 oven shows that fungi may undergo a good deal of hard treat- 

 ment without losing their vitality. 



Mylitta We are experimenting with the Mylitta ; and if we succeed in 

 ns. caus ^ n g ft to produce fruit, we shall not fail to report the result. 



EXPLANATION OF PLATES. 



PLATES IX. & X. 

 Explanation Figs. 1, 2, 3. Specimens of Sclerotium stipitatum, Bk. and 



of Plates. 



Fig. 4. Thin section of the inner substance of Sclerotium 

 stipitatum, highly magnified. 



Fig. 5. Specimen of Pachyma Cocos, Fr., in the Linnean 

 Society's herbarium. 



Fig. 6. Longitudinal section of another specimen in the same 

 herbarium. 



Figs. 7 and 8. Thin sections of portions of the latter speci- 

 men, highly magnified. 



Fig. 9. Portion of another specimen of P. Cocos in the 

 Linnean Society's herbarium, showing cracks in the substance, 

 the walls of which cracks are united by woolly fibres. 



Figs. 10 and 13. Specimens of Choo-ling. 



Figs. 14 and 17. Specimens of Mylitta lapidescens, Horan. 



NOTE ON A MANUFACTUKED PRODUCT OF SEA- 

 WEED CALLED JAPANESE ISINGLASS. 



(Sogenannte Japanische Hausenblase.) 



*860. THE communication to the Acad^mie des Sciences of Paris 

 by M. Payen l of the results of his examination of a gelatinous 



1 " Sur la G&ose et les Nids de Salangane," Comptes Rendus, 17 Oct. 1859. 





