1920] The Lower Basidiomycetes of North Carolina 157 



Plant imieh thinner, color nearly white to creamy 

 or pale slate 



Spores 4.8-6.3 X 14.5-18;^ S. caJcea (1) 



Spores 3.5-4 x 5.;j-8.o/i ; basidia near the sur- 

 face S. sp. (No. 4118) (3) 



Spores 3.7-4..1 X 6-9.5^; basidia more deeply 



seated .S'. sp. (No. 4119) (4) 



Growinjj from the gi-oimd and running up and en- 

 crusting the bases of living or lifeless objects; color 

 buff 



Sometimes with branches or flaps; hymcnial layer 



60-150^ thick S. incnistans (5) 



Without branches or flaps; hymenial layer 200- 



300^ thick ."! .S'. Hclveloides (6) 



1. Sebacina calcea (Pers.) Bresadola 



Plates 46 and 60 



Entirel}' resupinate, closely attached, forming elong-ated and an- 

 astomosing patches from ver}- small np to about 5-6 cm. long and 

 6 mm. wide, very thin, only about 50-llOju, thick; surface minutely' pul- 

 verulent, dull, the closely adnate, well-defined margin white, the re- 

 mainder ver^- light drab gray. Substance sub-gelatinous or sub- 

 fleshy, not to be removed in flakes. 



Spores white, rod-elliptic, bent, 4.8-6.3 x 14.5-18/x, a few as short as 

 11.5/u. Basidia subspherical, 13-1 -I/a thick, divided into four cells by 

 longitudinal divisions; sterigmata long, thickish in the distal half; 

 paraphyses forming a transparent, almost structureless, layer above 

 the basidia, their finely branched tips loaded with crj-stals. 



This agrees well with ;S'. calcea as described by Bresadola and by 

 Burt. It is said to grow on both coniferous and frondose trees. In 

 the southern states it has been reported only from Georgia. 

 3963. On a dead branch of liobinia pseudacacia in Arboretum, .Tanuary 12, 1920. 



2. Sebacina sji. ? 



Plates 47 and 61 



Forming low, crowded and anastomosing, nodulated masses and 

 pustules looking very like a mixomycete; patches !) cm. or more long 

 and up to 1.5 cm. wide in our colh'ction (]n'ol)ably (juite iiulefinite as 

 to sizi' and form of area covered); lliickness up to 1 or 1.5 mm.; 

 color a i)alli(l creamy yellow or dusky cream; surface glabrous, shin- 

 ing unless getting rather drv. Te.xlurc succulent but not gelatinous 



