132 NEW OR NOTEWORTHY FUNGI. 



37. Melanconis aceris Ph. et PI. Grevillea, xiii. 76 (1885). 

 (Tab. 256, fig. 2). 



On Acer campest re, Marston Green (Wk.), May. For descrip- 

 tion see Grevillea [l. c.\ I find the sporidia often 18-19 jm x Q i*. 



38. Diaporthe Tessella Rehm. Sacc. Syll. Pyr. i. 628 (1882) — 

 SphcBria Tessella Pers. Syn. Meth. p. 48 (1801). 



Perithecia arranged in a quincunx or circinnate, surrounded by 

 a black line ; ostiola subdistant, 4-7 together, appearing like 

 black dots on the sub-convex, slightly changed portion of the bark. 

 Asci elongate-oblanceolate 130-150 f* (pars sporif.) ; sporidia large, 

 biseriate, narrowly fusoid, somewhat curved, uniseptate, scarcely 

 constricted, filled with oleaginous granules, 55-65 ja x 11-12 /t, 

 each cell containing a large vacuole. (Tab. 256, fig. 3). 



On willow twigs, Boro' Fen, Peterboro' (Norths.), June. Con- 

 spicuous from the black ostiola, arranged somewhat like the pips 

 on cards or dice, surrounded by a narrow black line, which is the 

 edge of the conceptaculum. Collected during the visit of the 

 Midland Union of Natural History Societies to Peterboro'. 



39. LeptospJmria Lucina Sacc. Fung. Yen. ii. 311 (1875"*; Fung. 

 Ital. 263 (1878) ; Mich. ii. 64 (1880) ; Syll. Pyr. ii. 52 (1883). 



Spots epiphyllous, white, often with a brown border, irregular 

 and confluent ; perithecia few, rather remote, at first veiled by the 

 epidermis, then erumpent, punctiform, globoso-lenticular, 120 ft 

 diam., with an umbilicate broadly-pierced ostiolum; asci cylindrical- 

 oblong, attenuated below, 65 /x x 10-11 jx, with a few filiform 

 paraphyses, 8-spored; sporidia obliquely monostichous or sub- 

 distichous, fusoid, somewhat curved, 3-septate, slightly constricted, 

 18-20 /x X 4 /x, olivaceous greenish, obtuse at both ends. 



On leaves of Cytisr(s Laburnum, Bradnock's Marsh (Wk.) Aug. 

 — Oct. Detected by Prof. Saccardo on leaves, which I sent to 

 him, affected by Scptoria Cytisi and Phyllosticta Cytisi. 



40. Melanospora sphserodermoides, sp. n. — M. peritheciis 

 liberis, sparsis, fere IfBvibus, pallide luteo-fuscis, dein fuscis, semi- 

 pellucidis, rotundatis vel ovatis, in rostrum breve, pilis longis sub- 

 liyalinis continuis apico fimbriatum productis ; ascis clavatis, 

 stipitatis, maxime difiiaentibus, 8-sporis, 80-90 /x, x 30 (j. ; 

 sporidiis superne visis late fusoideis, a latere oblique ovoideo- 

 oblongis, curvatis, gutta magna instructis, hyalinis, dein olivaceis, 

 subopacis, 80-34 i^ x 15-17 /x. (Tab. 256, fig. 4). 



Ad culmos Heraclei, apud " Bradnock's Marsh " (Wk.), August. 

 Perithecii coutextus e cellulis magnis hexagonis constat. Huic 

 Bocium Sphreronema, *S. vitreo subsimile, spermatiis oblongis, 

 liyalinis, 6-8 j/, x 2^ fx. Quoad perithecium species hfec M. 

 Zohelii (Ca.) Fckl., Cooke, Handbook, p. 926 — quoad locum 

 natalem, ascos, sporidia Spharodermati theleboloidi, Fckl. magis 

 appropinquat. 



'^Ifi/pnmyces candicans Plow. Grevillea, xi. 50, pi. 157, fig. 2 

 (1882); Sacc. Syll. Pyr. ii. 471 (1883). 



On Stemonitis fusca, Trickley Coppice (Wk.), September. The 



