234 ORGANOGRAPHY. BOOK I. 



when the end next it cohere with it : when they are 

 adnate, and at the same time do not terminate abruptly 

 at the stipes, but are carried down it more or less, they 

 are decurrent ; if they do not adhere to the stipes, they 

 are said to he free, 



8. Stroma, is a fleshy body to which flocci are attached ; as 



in Isaria and Cephalotrichum. 



9. Flocci, are woolly filaments found mixed with sporules in 



the inside of many Gastromyci. The same name is 

 also applied to the external filaments of Byssaceae. 



10. Orbiculus, is a round flat hymenium contained within the 



peridium of some fungi ; as Nidularia. W. 



11. Nucleus, is the central part of a perithecium. 



12. Sporangium, is the external case of Lycoperdon and its 



allies. 



13. Sporangiola, are cases containing sporidia. 



14. Perithecium, is a term used to express the part which 



contains the reproductive organs of Sphseria and its 

 co-ordinates. 



15. Peridium, is also a kind of covering of sporidia; peridio- 



lum is its diminutive. 



16. Ostiolum, is the orifice of the perithecium of Sphseria. 



17. Spherula, is a globose peridium, with a central opening 



through which sporidia are emitted, mixed with a gela- 

 tinous pulp. 



18. Capillitium, is a kind of purse or net, in which the sporules 



of some fungi are retained ; as in Trichia. W. 



19. Trichidium, or pecten, is a tender, simple, or sometimes 



branched hair, which supports the sporules of some 

 fimgi ; as Geastrum. W. 



20. Asci, are the tubes in which the sporidia are placed ; 



ascelli or theca are the same thing. 



21. Sporidia, are the immediate covering of sporules; spo- 



ridiola, are sporules. 



22. TJiallus, or thalamus, is the bed of fibres from which many 



fvmgi arise. 



23. Mycelia, are the rudiments of fungi, or the matter from 



which fungi are produced. 



