428 Myxomyeeteae, Arcyrinceie, Arcyria. 



Comatricha alha Schulzer iii Jiist. Bot, Jahresb. 1877, p. 155. — 

 Peridiis gregariis, stipitatis, ovoideis vel ovoideo-ellipsoideis ; st^ 

 pite simplicl, stricto, levi, longo ; capillitio et sporis vulgo dihr 

 cinereis; tubulis capillitii in centro peridii 4-5 jl. crassis, verru( 

 pncditis, versus marginem tenuioribus, 2 y.. crassis, spinulosis; spr.- 

 ris levibus, G-8 a. diara. 



liah. in lignis putrescentibus in Gallia, Germania, Suecia, Bri- 

 tannia, Fennia, Italia, Belgio, America, Australia et Africa austr. 



4. Arcyria digitata (Sz.) Rost. Mon. pag. 272, Arcyria Leprieurii 

 Mont., Guyan. n. 603 et Syll. u. 1076, Arcyria hicolor B. et C. 

 Cuban Fungi 11, p. 86, n. 542, Stemonitis digilata Schw. km. 

 n. 2350. — Sparsim gregaria; peridiis congestis, linearibus, stipi- 

 tatis; stipitibus plerumque coalitis; capillitio elongato cylindrico 

 sporisque argillaceo-umbrinis, levibus, 7-9 y.. diam. 



Hah. ad ligna putrescentia, Cuba et Cayenna (Leprieur). — 

 Stipites cylindrici, elongati, basi crassiores, subuigri, formant plu- 

 res fasciculos, 3,5 mm. altos. Aliqui stipites in tota longitudine 

 connati et vertice gerunt peridia totidem, cyliudrica, vertice ar- 

 cuata, furva, aliquantulo humiliora ; capillitium gerit tubulos, ex- 

 teriores 2,5 ad 4,2 u.. latos, et cum protuberantiis in forma puncto- 

 rura, interiores vix 1,2 ad 1,6 a. latos et valde aculeosos. 



Subp. 2. Arcyreila Rost. Add. p. 36. 

 Capillitiura tantum medite columellse adnatum et lacile recedens (Rost. 1. c.t. 



5. Arcyria adnata (Batsch) Rost. Sluzowc. Add. pag. 36, Clathrui- 

 (les piirpiireum Mich. t. 94, f. 2, Arcyria sessilis HIl. pag. 47, 

 Clathrus ramosus a, Retz. Vet. Hand. 253, Lycoperdon hypo- 

 (cylon Pallas II, 503, Claflirus adnatus Batsch. p. 141, Ste/no- 

 nitis irichia Roth. FI. Germ. I, 549, Stemonitis lilacina Schr. 

 Fl. Bav. II, 1784, Slemonitis incarnata Pers. in Gmel. 1467, 

 Trichia cinnaharis Bull. t. 502, i.\,d, Arcyria incarnaia Pers. 

 Obs. t. V, f. 4, 5, Eng. FI. V, 318, Rost. Mon. p. 275, f. 187, 199, 

 Pat. Tab. An. Fung. p. 84, fig. 197, Cooke My.\. p. 71, fig. 187, 

 199, Schroet. Krypt. Fl. Schles. Pilze p. 110, Siemoniiis carnea 

 Trent. p. 222, Stemonitis glohosa Trent. p. 222, Trichia fle.raom 

 Schum. Saell. 1465, Arcyria lilacina Schum. Saell. 1476, Arcy- 

 ria carnea Schum. Saell. 1477, Arcyria dentaia Schum. Saell. 

 1478, Arcyria incarnata, ,1. /lexuosa Fr. Syst. Myc. III, p. 179. 

 Arcyria nutans ,3, exigua Bong. in Weinm. 609, Arcyria fc- 



