394 ■ The Myxomycetes of the United States. 



65. Chondrioderma floriformf, (Bull.). 



Sphmnocarpus floriformis Bull., t. 371. 

 Diderma floriformeYevs., Syn., 164. 

 Leangium floriforme Schw., Am. Bor., 2302. 

 Leangium lepidotum Ditm., t. 21. 

 Diderma concinnum B. and C, Grevillea, No. 343. 

 Spores -01— •0125 mm . 

 On trunks. Car. (Schw., Curt.); Bethlehem (Schw.). 



66. Chondrioderma laciniatum (Phil.). 

 Diderma laciniatum Phillips, in Grevillea, V, t. 87, fig. 2. 



Spores dark violet, -013 mm . 

 On dead wood. California (Harkness). 



INCERTJE SEDIS. 

 67. Chondrioderma stipata (Schw.). 

 Leangium stipatum Schw., Am. Bor., No. 2304. 

 On rotten wood. Bethlehem (Schw.). 



68. Chondrioderma Crustacea (Peck). 

 Diderma crustaceum Peck, in N. Y. Reports. 



Spores globose, •0125 mm . 

 On sticks and leaves. N. York (Peck). 



69. Chondrioderma albuxa Howe. 

 Diderma albulum Howe, Bulletin Torre}' Bot. Club, pp. 30. 

 On bark and wood of Ailanthus. N. York (Howe). 



These last three species can only be entered provisionally, 

 until the examination of authentic specimens can determine 

 their proper position, for which the descriptions are insuffi- 

 cient. 



Genus 14. Lepidoderma DeBary. 

 70. Lepidoderma tigrinum (Schrad.). 



Didymium tigrinum Schrad., t. 6, f. 2, 3. 



Didymium rvfipes Fries, Sys. Myc, iii, 116. Curt., Cat., p. 111. 

 Physarum squamulosum Pers., Syn., 174. Schw., Am. Bor., 2279. 

 Physarum tigrinum Schw., Am. Bor., 2282. 



Spores •01—012.5""''. 

 On trunks. Car. (Curt., Schw.) ; Bethlehem (Schw.). 



