1176 Mycelia eterilia, RhizOctonia. 



palmatim radbntibus, arachnoideis, passim mf tnbranaceo-connexis, 

 usque 30 cm. expansis ex incarnato baclio-rufis-, ambitu candidis; 

 tuberculis membranae innatis, applanatis, plact iLtiformibus, lobatis 

 badio-rufie, e 3-5 mm. usque 25 mm. diam., intus aIbidi8,cellulo- 

 sis, 2-4 mm. cr., extus tomenteilis. 



Hab. sub cortice putridi trunci maximi latissime expansa, 

 Bethlehem Amer. bor. 



4. Rhizoctonla rariiciformis Scliw. Syn. N. A. F. n. 2397. — Tuber- 4771 

 culis majusculis compresso-plicatis, valde difformibus, stepe oloU'^ 

 gatis, pallide carneis, intus albis, 20-30 mm. long., interdum in 

 n)inora secedentibus ; fibris himantioideis, crassis, longe lateque sub 

 cortice repentibus, tuberculis interpositis. 



Hab. in corticibus corruptis humi fusis, New York (Torbey), 

 Bethlehem (Sghweinitz). — Rhizoma Iridurn in mentem revocat. 

 Rhizoctonia Himardia Schvv. 1. c. vidotur ex ipso auctore status 

 junior hujus speciei. 



5. Rhlzoctonla aurantlaca Ell. et Ev. Bull. Torr. 1884, p. 17. — 4770 

 Suborbicularis, applanata, 1 cm. diam v. confluendo 2 cm. et am- 

 plius, fibris pallidis parcis repentibus iaxe aiiixa, extus rufo-he- 

 patica, intus aurantiaca. 



Hah. sub cortice rami putresoentis Aceri^, Newfield N. J. 

 Amer. bor. 



6. Rhizoctonia monlllformls EU. et Ev. Buli. Torr. 1884, p. 17. — 4773 

 Flavido-alba tam extus quam intus, cylindracea, 3-5 mm. diam., 

 constricto-moniliformis, plura cm. longa, ligno adhserens, articulis 

 rnanc connatis, nunc per filamenta alba junctis; substantia carno- 



sa, satis firma. 



Hab. sub cortice ramorum Nyssse, Newfield N. J. Amer. bor. 



7. Rhizoctonia hlcoior Ellis N. Am. Fungi n. 977. 4774 



Hah. sub cortice Pini emortuse, Silver Lake pr. Vineland 

 Amer. bor. (G. N. Copp). — Tubercula sinuoso-cerebrina, depres- 

 sa, extus nigricantia, levia, 1-2 cm. lata, intus rubescentia. 



8. Rhizoctenta Brasslcarum Lib. Orypt. Ard. n. 240 (1834), — Tu- 4775 

 bcrculi.s conglomeratis, subglobosis, albo-iutescentibus, 2-4 mm. 

 diam., fibrillis ramosis, albis cinctis, 



Hab. ad radices Brassicae. oieracCfn rubrae in Arduennis. 

 0. RhlzGCtinia Napi West. ap. Kickx Fi. or. i I. II, p. 470. — Glo- 4776 

 bulosa, confluens, tubercula 1-3 cm. diam. 3-5 mm. cr. formans, 

 extus brunneo-nigricans et tomentosa, fibrilJi.-: fascicuiatis, ramesis 

 cincta, intus grosse cellulosa, flavo-aurea. 



