66 NOTICES OF NORTH AMERICAN FUNGI. 



At first forming a yellowish green mucus, which spreads 

 over the surface in patches ; 12-18 inches across, interlaced 

 with veins, from which spring the coffee -coloured attenuated stems 

 which penetrate the globose lilac-blue peridia; flocci abundant ; 

 yellowish ; spores black. Physarum roseum, B. § Br., is much 

 brighter in colour, but nearly allied. 



* Physarum Columbinum. Fr. — On dead wood. Michener. 

 No. 3817. 



356. Physarum Petersii. B. $ C. — Stipite a?quali lateritio, peri- 

 dio globoso luteo ; floccis subflavis ; sporis atris. On dead wood. 

 Alabama, Peters. No. 6072. 



Stem equal, brick-red ; head globose, delicate yellow when free 

 from the dark spores; flocci yellowish. 



357. Physarum chrysotrichum. B. $ C— Sessile, subglobosum, 

 peridio floccisque fulvis. On dead wood. Alabama, Peters. No. 

 5091. 



Sessile, globose ; somewhat depressed ; tawny ; the upper part 

 soon breaking off'; flocci springing from the base, tawny like the 

 peridium. 



358. Physarum Schweinitzii. B. — Gregarium nitidum flavuni, 

 floccis parcis spoiisque globosis granulatis concoloribus. Polyan- 

 gium vitellinum, Schwein. On vegetable fragments. Bethlehem 

 Schweinitz. 



Gregarious, minute, shining, yellow, globose, sessile ; flocci few 

 even and globose granulated, spores 0006* in diameter, sometimes 

 rather irregular. 



* Physarum connatum. Dittm. — Dklymium pohjceplialum. B. & C. 

 —On dead leaves. Car. Inf. No. 2589. 



859. Badhamia papaveracea. B. $ Rav.— Peridiis globosis bre- 

 vissime stipitatis utplurimum congestis albis rugosis ; floccis re- 

 ticularis niveis ; sporis atris. On decayed oak wood. Aiken. 

 Car. Inf. Rav. No. 1768. 



Peridia globose, very shortly stipitate, scattered, or more gene- 

 rally crowded ; white, wrinkled, so at first to look like a Didymium ; 

 flocci white, reticulated ; spores -0004 in diameter, somewhat obo- 

 vate, granulated above, about seven in a group. 



* Badhamia utricularis. B. $' Br. — Physarum utricular^. Fr. 

 Penns., Michener. No. 4408. No. 3553, on cherry, from the 



same locality, is apparently a very distinct species, with a yellow 

 peridium ; but the specimens are too imperfect to characterise. 



* Badhamia decipiens. B. — Car. Inf., No. 1333. 



360. Trichamphora oblonga. B. Sf C— Stipite lateritio compresso 

 sursum attenuato flexuoso ; peridio oblongo apice demum hyante 

 umbrino particulis nitentibus conspereo. On dead wood. Penns., 

 Michener. No. 3578. 



About ^ of an inch high ; stem compressed, fl,exuous, brick-red ; 



