NOTICES OF NORTH AMERICAN FUNGI. 67 



peridium oblong, sub-cylindrical, amber, sprinkled with sinning 

 orbicular particles, opening with a little orifice; spores minute. A 

 very curious plant, of which I have but few individuals. The mar- 

 gin of the spores is not marked with transverse lines as in T. 

 pezizoides, Jungh. 



361. Craterium minimum. B. $ C. — Pedunculo brevissimo, 

 peridio cyathiformi minimo, basi rufo, margine albo. On dead 

 grass, &c. Car. Inf., No. 2901. 



Extremely minute; stem very short; peridium cyathiform ; 

 rufous below; margin white, C.jloriforme, Schwein, is a Trichia. 



* C. globosum. Ft, — Car. Inf. No. 3841. 



* Dictydium microcarpon. Schrad. — Car. Sup. No. 60. 



* Dictydium umbilicatum. Schrad. — Var. laxum ; reticulo 

 laxiore, sporis pallidioribus majoribus. On planks. Car. Inf., No. 

 1150. 



Differs from the normal form in the looser network and paler 

 larger spores. 



362. Cribraria elegans. B. $ C. — Stipite sursum attenuato fusco ; 

 peridio globoso, purpureo basi leviter venoso ; capillitio reticulata 

 angulis incrassatis sporisque concoloribus. On decayed wood. Car. 

 Inf., No. 2992. 



About T ^- of an inch high ; stem much attenuated above ; peri- 

 dium nodding ; slightly venose at the persistent base, purple ; ca- 

 pillitium reticulated ; the angles of the network incrassated, purple 

 as well as the spores. 



363. Cribraria minima. B.$ C. — Stipite filiformi peridio globoso 

 nutante umbrino subtiliter striata ; capillitio laxo pallido ad angu- 

 los dilitato. On pine planks. No. 2717. 



364. Cribraria microscopica. B. S? C. — Stipite brevi peridio obo- 

 vato basi evenoso capillitio laxo, angulis non incrassatis. On 

 shingles. Car. Inf., No. 1182. 



Very minute, *012 high ; stem short, straight ; peridium obovate, 

 not venose below ; capillitium loose, not incrassated at the angles. 



* Cribraria intricata. Schrad,— On dead wood. Car. Inf., No. 

 1121, 1122, 1270, 1530. 



* Arcyria cinerea. P.— Texas, Lindheimer. No. 3631, Car. 

 Inf. Ray. No. 415, 1342, 1752. Ohio, Lea. No. 199. New Jersey. 

 No. 470 1. 



* Arcyria umbrina. Schum.— Car. Inf. No. 1434. 



305. Arcyria pallida. B. Sf C— Stipite sulcato ; peridio oblongo 

 capillitioquo pallidis. On bark. Car. Inf., No. 2236. 



Stems short, sulcate, fasciculate ; peridium oblong, pale, as well 

 as the smooth not echinulate threads. Much smaller than any 

 state of A.flava. 



