1IYMEX0SCYPI1A. 



119 



Arrangement of the Species. 



A. Sporidia broadly elliptic or ovate. 



(a) Ou fruit 



(b) On twigs 

 L. Sporidia oblong or fusiform. 



(a) On fruit 



(b) On branches, twigs, or leaves 



C. Sporidia cylindrical 



D. Sporidia unknown 



Key to the Species. 



Hymenium pallid yellowish-green 

 Hynienium brown or greyish-brown 

 Hyrneniuiu yellow 



(Margin subserrate 

 Margin tomentose 

 Margin even . . 

 9 J Externally white 

 ' \Externally yellow 



I Stem long, slender, flexuous 

 Stem short, firm, thickish 

 Stem filiform . . 

 j Externally scabrous . . 

 ' (Externally glabrous . . 



IStem short, thick, flexuous, umber-brown 

 Stem slender, at first subtomeutose, pale brown 

 Stem long, slender, flexuous, pallid-brown 

 Stem attenuated downwards, blackish-brown 



species 8-10 

 „ 11 



„ 12-13 



„ H-17 



„ 18 



,, 19 



luteo-vireseens. 



1 



2 



bolari*. 



amentacea. 



4 



Aspegrenii. 



3 



Bryophila. 



serotina. 



tuba. 



pseudo tuber osa. 



5 



caucus. 



echinnphila. 



subularis. 



firma. 



A. SPORIDIA BROADLY ELLIPTIC OR OVATE. 



(a) On fruit* 

 8. Hymenoscypha pseudo-tuber osa. (Rehni.) 



Cup infundibuliform, when moist expanded, sub- 

 patelliform ; externally, as well as the stem, brown or 

 olivaceous brown, slightly scabrous ; hymenium livid or 

 livid-brown ; stem long, rather slender, subflexuous ; asci 

 cylindraceo-clavate ; sporidia 8, elliptic, obtuse at the 

 ends, 9 — 10 X 4 — 5/x ; paraphyses nliform. (Plate V. 



fig. 25.). 



Peziza pseudo-tuberosa — Rehm, " Asco.," No. 106 ; 



Pat., p. 171, f. 378. Sclerotinia Batschiana — Zopf. and 



* The terra " fruit " is used here in a popular sense to include the parts 

 closely associated with tbe fruit. 



