22 MYXOMYCETE8. 



17. Tilmadoche mutabilis. Rtfki. 



Sporangia globose, flattened, or lenticular, plane below or con- 

 cave, usually cracked in many places, umbilicate, yellow, greenish- 

 yellow, or rusty orange, stipitate, nodding, splitting irregularly, or 

 in a reticulate manner ; stem variable in length, subulate, cernuous, 

 straw-colour, yellow, scarlet, or ferruginous ; capillitium coloured 

 the same as the sporangia, strongly developed ; tubes strongly 

 developed, containing fusiform colourless granules of lime ; spores. 

 Rtfki. Man., 130. 



On decayed wood (figs. 123-127, 132). 



a. lutea. (Bull.) 



Sporangium variously yellow, now and then greenish-yellow ; 

 stem similarly coloured, or now and then ferruginous, usually 

 irregularly, more rarely reticulately splitting. 



j3. aurantiaca. (Bull.) 



Sporangium coloured orange or rusty-orange ; stem more 

 rarely similarly coloured, usually dark brown, splitting in a 

 reticulate, or now and then irregular manner. 



Stemonitis viridis, Gmel. Sys., ii. ; 1469 (1791). 



Stemonitis aurautia, Gmel. Sys., ii., 1469 (1791). 



Stemonitis bicolor, Gmel. Sys., ii., 1469 (1791). 



Splicerocarpus luteus, Bull., t. 407, f . 2 (1797). 



tSphcerocarpus viridis, Bull.,t. 407, f. 1 (1797). 



Splicerocarpus aurantius, Bull., t. 484, f. 2 (1797). 



Pliysarum aureum, Pers. Disp., t. i., f. 6 (1801) ; Grev., t. 124 ; 

 Ditni., t. 23. 



Physanim viride, Pers. Syn., p. 172 (1801); Ditm., t. 24; 

 Nees., f. 108. 



Pliysarum aurantium, Pers. Syn., t. iii., f. 7 (1801). 



Pliysarum luteum, Pers. Syn., 172 (1801). 



Tricliia viridis, DC. Fl. Fr., ii., 252 (1805). 



Trichia auranlia, DC. Fl. Fr., ii., 253 (1805). 



Plysarum nutans, ft- viride, Fr. S. M., iii., 129 (1829) ; Cooke 

 Hdbk. No. 1135 var. B. 



Physarvm nutans, y aureum, Fr. S. M., iii., 129 ; Cooke Hdbk., 

 No. 1135, var. 7. 



Pltysarum nutans, . coccineum, Fr. S. M., iii., 129. 



Pliysarum striatum, c. aurantiacum, Fr. S. M., iii., 131. 



Phi/saram nutans, c. luteovirens, Rabh. Fl. Cr., 2,268 (1844). 



Pltysarum viride, Fr. S. V. S., 453 (1849). 



Pliysarum aureum, Fr. S. V. S., 453 (1849). 



Pliysarum coccineum, Fr. S. V. S., 453 (1849). 



