Heterobasidieae nondum descrîptae, 



par H. BOURDOT et A. GALZIN. 



1. Platyglœa miera. 



Parce effusa, mucosa, subopalea, dein maculseformis pallide 

 fulvescens. — Hypbœ conglutinatœ, vix distinctse, 0,5-2 \j. ; basidia 

 ovoidea, demum elongata, suberecta, 3-septata, 15-21 x 4-5 a, 4 

 sterigmatibus 9-12 a lg. patulis. unilateralibus ; sporœ oblonga?, 

 4,5-6 x 4 \j., promycelio brevi conidium ipsis conforme gignentes. 



Oct. ad ligna putrida Populi , Sous-Jumels, Aveyron. 



2. Platyglœa vestita. 



Effusa, mucoso-gelatinosa, v. subceracea, crassiuscula, sordide 

 hyalina sicco sœpius subevanida, lilamentis albis laxe intertextis 

 vestita. — Hyphse myceliales, 8-10 \j. , tenuiter tunicata? enodulosse. 

 ramos emittentes erectos, flexuosos torulososque, 60-100 x6-10 \j., 

 ad 40-50 [/. émergentes ; basidia obovata, dein cylindraceo-clavata, 

 40-50 X 9-10 \x, 1-3 septata, sterigmatibus conicis, dein gracilibus, 

 ad 20 [x longis ; spora? oblongo-ellipsoidea?, v. subcylindraceœ, 

 oblique basi acutatœ et lateraliter depressa?, 15-21-30 X 5-7,5-9 (x. 



Hieme. ad ramulos et frustula congesta, Ericœ, Genistœ, Rubi, 

 Quercûs. Alni, etc. Sat fréquenter in Aveyron collecta ; etiam in 

 Anglia a D. Pearson reperta. 



3. Tremella spicata. 



Ovoidea, dein depressa, 3-8 mm. granoso-tuberculata, gyrosa, 

 opalea, sicco pallide fuscidula. — Hypha? distinctse, 2,5-4 \j., tenui- 

 ter tunicatœ, plus minus nodulosa? ; paraphyses simplices v. ramo- 

 sse ; basidia subsessilia spicata disticha, obovata, 16-21 X 9-12 [x, 

 2-4 sterigmatibus subulatis : spora? ovoidea?, basi oblique atte- 

 nuata?, 7-10 X 4,5-7 a, sponte delapsa? albida?. 



Sept. -Nov. ad ligna cariosa Quercûs. 



4. Tremella glacialis. 



Ceraceo-subcartilaginea, limpida, sicco nitidula nec difluens ; 

 receptaculis minutis, 0,4-1 mm. mox reticulatim vel areolatim con- 

 tiguis, nec proprie confluentibus. Hypba? vix distincta?, 1-2 jj. ; 

 basidia ovoidea, 7-10 X 5-8 \j., 2 (-4) sterigmatibus subulatis, 

 10-20 x 1-1,5 ;j. ; spora? oblonga?, basi acutata?, sa?pe lateraliter 

 subdepressa?, 5-6-8 X 3-5 p, latere germinantes. 



