282 MR. F. CURREY ON THE FRUCTIFICATION OF COMPOUND SPH^RI^. 



175. S. (Nectria) coccinea, Pers. ; Fr. S. M. ii. p. 412. Tab. XLIX. figs. 174 and 175, 

 ascus with sporidia, and free sporidia, X 325. Sporidia almost always uniseriate, 

 colourless, uniseptate, frequently with a nucleus in each septum, elliptical, subacu- 

 minate, 0'0005 inch long. In the variety " sanguinella" I did not find any difference 

 in the fruit, except that the average size of the sporidia was somewhat smaller. 

 Fig. 175 represents free sporidia of the variety " cicatriciim," Desm., X 450. 



176. S. (Nectria) cinnabarina, Tode ; Berk. Engl. Flora, No. 77, imder " SphEcria." 

 Tab. XLIX. fig. 175, sporidia, x 450. Spoi-idia sometimes uniseriate, sometimes 

 biseriate, normally I beMeve uniseptate, frequently if not always constricted in the 

 middle, rather pointed at each end, colourless or pale sea-green, 0-0004 to 0-0006 

 inch long. I found some sporidia attached to long threads ; but whether they were 

 in the natm-e of stylospores, or whether the threads were the product of germination, 

 I cannot say. Several of the sporidia were biseptate. See a, fig. 175. 



177. S. (Nectria) decolorans, Pers. Syn. p. 49. Tab. XLIX. fig. 176, ascus with spo- 

 ridia, and free sporidia, X 325. Sporidia uniseptate, coloiu-less or greenish, 0-0005 

 inch long. Placed by Fries under S. cinnabarina, from which it differs in its more 

 compact habit and in the more broadly elliptical sporidia ; the perithecia, however, 

 are rugged as in that species, with which perhaps it ought to be united. 



178. S. Berberidis, Pers. ; Fr. S. M. ii. p. 415. Tab. XLIX. fig. 177, sporidia, X 325. 

 Sporidia uniseriate, but so overlapping as to be almost biseriate, yellow when young, 

 brown when mature, constricted in the middle, usually acuminate at the ends, O'OOll 

 to 0-0016 inch long. Quaere if distinct from S. Laburni ? 



179. S. (Nectria) cucurbitula, Tode ; Fr. S. M. ii. p. 415. Tab. XLIX. fig. 178 a, 

 sporidia ; b, spermatia ; and c, caudate irregular bodies : all X 325. Sporidia colour- 

 less, irregularly elliptical, 0-0004 inch long. Two membranes very visible in the 

 sporidia. Besides the normal asci and sporidia, the perithecia prodvice asci containing 

 the spermatia-like bodies {h) on the right : and the caudate bodies on the left also 

 appeared to proceed from the same perithecia ; but of this I am doubtful. The 

 length of the spermatia is 00001 to 0-0002 inch, of the caudate bodies 0-0006 

 inch ; what the latter may be I cannot say. 



180. S. Laburni, Pers. Syn. p. 50. Tab. XLIX. fig. 179, ascus, X 225, and free sporidia, 

 X 450. Sporidia, when perfect, multicellular, dark clear brown. I find in different 

 perithecia in the same stroma every gradation from colourless minute unicellular 

 spores (mostly wath a nucleus at each end), through septate, biseptate, and triseptate 

 forms, up to the multicellular. The colour varies by degrees, being at first coloiu'less, 

 then green, and eventually dark clear brown. 



181. S. PULicARis, Fr. S. M. ii. p. 417. Tab. XLIX. fig. 180, ascus with sporidia, and 

 free sporidia, x 325. Sporidia biseriate, colourless, elliptical, sometimes pyriform, 

 pseudo-triseptate from division of the endochrome, 0-0006 to 0-001 inch long. 



182. S. (Nectria) Purtoni, Grev. Tab. XLIX. fig. 181, ascus with sporidia, X 325. 

 SporicUa uniseriate, colourless, acuminate, elliptical, 0-0004 inch long. Fries joins 

 this species with S. Abietis ; I do not know why, as it is quite distinct in habit and 

 fructification. 



