328 A Monograph of the Myxogastres. 



elongated, becoming thinner upwards, usually slightly curved 

 at the apex, filled with irregular masses of lime, Irownish below, 

 2>ale upwards, expanding into a small hypothallus; capillitium 

 well developed, threads thin, combined to form a very irregular 

 network, furnished with scattered, small, elliptical nodes contain- 

 ing granules of lime ; spores globose, pale lilac, smooth, or very 

 minutely verruculose, 9 11 p diameter. 



Tilmadoche nutans, Rost., Mon., p. 127, f. 129 ; Cooke, Myx. 

 Brit., p. 21, f. 129; Sacc., Syll., vii., 1, n. 1244; Raunk., p. 76, 

 t. 4, f. 1011. 



Exsicc. Rab., Fung. Eur., 40 (the specimen shows a transition 

 to Physarum leuc^Jiaeuni) ; Sacc., Myc. Fenn., 1102; Syd., Myc. 

 March., 491; Fuckel, Fung. Rhen., 1456 and 1457; Jack, 

 Leiner u. Sitzenb., 423. 



On wood, bark, dead leaves, &c. Britain (Bournemouth, New 

 Forest, Kew, Chester, Scarboro', Carlisle, Inverness, N.B.) ; 

 Europe ; N. Africa ; United States ; Ceylon ; Australia ; India. 



From 1*5 2'5 mm. high, gregarious, stem slender, usually 

 slightly bent at the apex, consequently the sporangium is more 

 or less drooping. 



(Rostafin ski's Synonyms.) 



Spliaerocarpus allnis, Bull., t. 407, f. 3, c g (1791). 



Stemonitis alba, Gmel. Sys., 1469 (1791). 



Mucor alines, Sobolen. Petr., 324 (1779). 



Physarum nutans, Pers., Syn., p. 171 (1801 ; Berk., Eng. Fl., 



v., 314; Cooke, Hdbk., n. 1135 (partly). 

 Physarum subtile, Pers., Syn., p. 171 (1801). 

 Trichia cemua, Schum., Saell., 1410 (1803). 

 Physarum bulbiforme, Schum., Saell., 1432 (1803) ; Fl. Dan., 



t. 1974, f. 3. 



Physarum marginatum, Schum., Saell., 1440 (1803). 

 Physarum didymium, Schum., Saell., 1441 (1803). 

 Physarum albopunctatuin, Schum., Saell, 1433 (1803). 

 Physarum brc^^es, Schum., Herb. 

 Physarum cinereum, Schum., Herb. 



