BADTILUM. ACIA 641 



2171. R. tomentosum Fr. (? = var. of Odontia arguta (Fr.) Quel. sec. 

 Bourd. & Galz.) Tomentosum, downy. 



R. 2-5-13 cm., white, then yellowish, pallid wood colour when dry, 

 effused, irregular, innate; margin whitish, sometimes becoming ferrugi- 

 nous, swollen, erect, tomentose. Tubercles white, short, angular, obtuse, 

 crowded, confluent, smooth. Flesh floccose, crustaceous. Spores 

 white, " cylindric-oblong, slightly thinner, curved and apiculate at 

 the base, 8 x 4 /A" Massee. Pyrus aucuparia, willow, and pine saw- 

 dust. Nov. Dec. Rare, (v.v.) 



R. deglubens B. & Br. - Eichleriella spinulosa (Berk. & Curt.) Burt 

 sec. Wakef. 



2172. R. corallinum B. & Br. Kopd\\iov, coral; eZSo<?, like. 

 R. 5-15 cm., white, effused, shining. Tubercles white, 4-6 mm. long, 



fasciculate (fascicles 6 rnm. across), very irregular, coralloid, divided 

 downwards. Flesh very thin, pelliculose. Spores white, "subglobose, 

 apiculate, 5/z" Massee. Lichen covered oak branches. Sept. Rare. 



2173. R. epileucum B. & Br. eTrtXeu/eo?, whitish. 

 R. 5-20 cm., ochrey white, widely effused, adnate. Tubercles pale 



ochraceous, 2-4 mm. long, scattered, cylindrical, fimbriate at the apex, 

 deciduous, brittle. Flesh snow white, very thin, upper portion waxy. 

 Spores white, "cylindrical, slightly curved, 6-7 x 3-3-5/z" Massee. 

 Decorticated wood. Aug. Rare. 



R.fagineum (Pers.) Fr. = Radulum quercinum Fr. sec. Bourd. & Galz. 

 R. laetum Fr. = Peniophora incarnata (Pers.) Cke. var. hydnoidea 



(Pers.) Bourd. & Galz. 



R. botrytes Fr. = Corticium comedens (Nees) Fr. sec. Quel. 

 R. aterrimum Fr. = Corticium nigrescens (Schrad.) Fr. sec. Quel. ; 



Eutypa hydnoidea (Fr.) von Hoehn. 



Acia Karst. (=Hydnum (Linn.) Fr. p.p.). 



(d/crf, a point.) 



Receptacle resupinate, effused, waxy, inseparable. Spines subu- 

 late, generally entire, distinct, or connate at the base. Flesh dense. 

 Spores white, elliptical, oblong elliptical, or oblong subelliptical, 

 smooth; basidia with 2-4-sterigmata, with or without sterile basidia 

 (cystidioles). Cystidia none. Growing on wood. 



2174. A. uda (Fr.) Bourd. & Galz. (= Hydnum udum Fr.) 



Uda, moist. 



R. 5-13 cm., bright sulphur colour, lemon yellow, flesh colour, or 

 olivaceous, becoming watery yellowish, widely effused, adnate, smooth ; 

 margin lemon yellow, pruinose, or fibrillose. Spines concolorous, or 

 yellowish flesh colour, becoming tawny, 1-2 mm. long, subulate, thin, 



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