702 Pyrenoniycefeaf*, Sphneriaceae. l-Iyatoclidymae, Diaporthe. 



Hah. iri rriinis einortuis Salicis, London Cariada Amer. bor.- 

 Sperrnogonia adsunt; peiithecia lif^no basi insculpta. 



HERCOSPORA Tul. — Syil. 1. p. 605. 



1. Hercospora tiliacea (Kll.) Sacc. Diatrype HUacea Elli.<^ Atner. Nat. ^^'^ 

 1883, F'''br. p. 105. — I^eritheciis subelongatis. '/^-Vs "'"^i. diatn., 

 cortico paruin niutato iinrnersis, 5-10 aggregatis. ostiolis fascicu- 

 latis rugulosis, conico-cylindricis, erurnpentibus, in Jis<;um vix co- 

 ha^.reutibus; ascis late oblongis, 80-90 ^ 18-22, parapbysatis ^?), 

 octosporis ; sporidiis 2-r)-stichis, oblongo-cyliiidraceis, leniter cur- 

 vis, obtusis, constricto-1 -septatis, 2-nncleatis, 22-30:= 7-8, hyalinis. 

 Hab. in cortice T i 1 i .t arnericanre, Aines Jowa Ainer. bor. 

 /J. C. Arthur). — « An mera forma H. Tilicu^ » — Ostiola '/g-l 

 mm. longa, denique apice irregulariter dehiscentia; acervuli peri- 

 thecioruin lineola stromatica superficiali circumscripti. 



DIAPORTHE Nits. — Sacc. Syll. I, p. 007. 



1. Chorostate Nits. 



1. D. Chorostate Bloxami (Cooke) Berl, et Vogl. Add. Syll. p. 105. oc.-^ 

 Valm Bloxami Cooke in Grevillea XIV, p. 47. — Pustulis con- 

 vexis, eraergentibus ; peritheciis 12-20 congestis, piriformibus, in 

 collum elongalnm productis, pulvere aureo-fulvo obductis; disco 

 orbiculari, fusco; ascis cylindricis, ociosporis; sporidiis uniseriali- 

 bus, ellipticis vel sublanceolatis, medio uniseptatis, leniter constri- 

 ctis, hyalinis, 22 >- 6. 



Hah. \n rarnis Fagi? Twycross Britanniaj (Bloxam). 



2. D. Chorostate punctata (Cooke) Berl. et Volg. Add. Syll. p. 108 2S74 

 ValHu piinclata Cooke in Grevilloa XIV, p. 47. — Pustuli^ con- 

 vexis, emergeniibus, ostiolis brevibus, in discufn orbiculai-em con- 

 gestis ; ascis clavatis, breviter stipitatis, octosporis ; spori'Iiis bise- 

 rialibus, ellipticis, rolundatis, medio uniseptatis, nec consftrictis, 

 hyalinis, 20 := 7. 



Ilah. in ramis Tilire et Salicis in Sydenham Britarmia^. 



3. D. Chorostate fafinosa Peck 40 Flep. \\ 09. — Stromate sub- 2m 

 pulverulento sordide alutaceo, e cortice parum mutato formato, iu 

 discum pai-urn exsertum minuluin erumponte; peritheciis valsoideo- 

 circinantibus, 1-10 in quoque circulo, ostiolis atris discura alutaceum 



v. dernuin brunneum punctatum reddentibus; ascis subcylindricis, 60- 

 70 i 8-10; sporidiis confertis v. biseriatis, obloagis v. subfusifor- 

 mibus, 1 -.<^eptatis, vulgo 4-nucleatis, 15-20 s 4-5. 



