OF ARTS AND SCIENCES. 115 



On rotten sticks, in the Bonin Islands. 



29. A. (Pleurotus) connatus, Berk. & Curt. : pallide luteus ; 

 pileis excentricis tenuibus nitentibus glabris ; stipitibus fibrillosis con- 

 natis ; lamellis decurrentibus ; annulo deflexo. 



Arakamtehetchene Island, Behring's Straits ; on decayed wood. — 

 This has the habit and colors of" A. pudicus ; but the gills are decur- 

 reut, and the spoi*es white. 



30. A. (Pleurotus) Prometheus, Berk. & Curt. : albus, phos- 

 phorous ; pileo tenui flabelliformi minutissime virgato-maculato in stipi- 

 tem brevissimum postice attenuate ; lamellis crebris angustis. 



On dead wood, Hong Kong. — The most delicate of the phospho- 

 rescent Agarics. 



31. A. (Pleurotus) alopecius. Berk. & Curt.: ex albo subful- 

 vus ; pileo excentrico subreniformi vel orbiculari glabro ; stipite brevi 

 sursum dilatato ; lamellis ventricosis confertis adnexis. 



On decayed logs, Bonin Islands. — A delicate and curious species. 



32. A. (Pleurotus) leiophtllus, Berk. «fe Curt. : albidus ; pileo 

 reniformi tenui ; stipite brevissimo ; lamellis angustis crassiusculis sub- 

 distantibus adnatis ; interstitiis lasvibus. 



On dead sticks, Bonin Islands. 



33. A. (Pleurotus) lividulus. Berk. & Curt. : resupinatus ; 

 pileo reniformi seu flabellato demum lobato purpurascenti-hvido pul- 

 verulento-hispidulo glabrescente ; stipite nullo ; lamellis pileo concolo- 

 ribus demum albis. 



On dead twigs, Bonin Islands. — Allied to A. spicuUferus, Berk. 



34. A. (Pleurotus) squamula, Berk. &Curt. : resupinatus, villo 

 albo afhxus, margine libero ; strato superiore gelatinoso ; pileo subor- 

 biculari glabrescente lamellisque crassiusculis luteis ; stipite nullo. 



On decayed, wood, Bonin Islands. — Allied to A. spicuUferus, Berk. ; 

 but the pileus is half attached, the stem wanting, &c. 



35. A. (Volvaria) micro spilus, Berk. & Curt. : pileo hemispha^- 

 rico tenuissimo badio sericeo particulis obscurioribus virgato; stipite 

 tenui e volva badia adnata emergente ; lamellis latiusculis liberis. 



On decayed wood, Bonin Islands. — An exquisite little species. 



36. A. (Pluteus) arenulosus, Berk. «fe Curt. : pileo convexo 

 candido centi'o difFracto verruculoso margine striato ; stipite tenui 

 flexuoso brevi ; lamellis ventricosis liberis remotis. 



On dead wood, Bonin Islands. — Analogous to A. cristatiis. 



