WuitE: THE NIDULARIACEAE OF NortH AMERICA 257 
which has not since been reported. Cyathus rufipes was described 
in 1897 by Ellis & Everhart * from Kansas, and the next year 
Hennings, || described Cyathus niveotomentosus from California. 
The following summary will show the distribution of the 
known species of Cyathia: 
Europe, 7 species: C. complanata, C. deformis, C. fimetaria, C. hirsuta, C. 
lentifera, C. subiculosa, C. umbrina. 
Asta, 6 species: C. emodensis, C. Hookeri, C. intermedia, C. minima, C, Mon- 
tagnet, C. sulcata. 
AFRICA, 5 species: C. affinis, C. dasypus, C. pallida, C. hirsuta, C. lentifera. 
AUSTRALIA, g species: C. Batleyi, C. desertorum, C. fimicola, C. intermedia, C. 
stercorea, C. Montagnei, C. pezizoides, C. pusio, C. lentifera. 
NEw ZEALAND, 3 species: C. Colensoi, C. Novae-Zelandiae, C. similis. 
NoRTH AMERICA, If species: C. intermedia, C. lentifera, C. melanosperma, 
C. Berkleyana, C. rugisperma, C. rufipes, C. hirsuta, C. stercorea, C. pallida, C. 
Wrightii, C. Sragilis. 
Cua, 7 species: C. intermedia, C. Montagne, C. pallida, C. limbata, C. Poep- 
pigit, C. Berkieyana, C. stercorea. 
Sout AMERICA, 12 species: C. ambigua, C. dasypus, C. limbata, C. micro- 
spora, C. Montagnei, C. plicata, C. Poeppigii, C. Puiggarii, C. scutellaris, C. hirsuta, 
C. lentifera, C. Gayana,. 
S) nopsis of the Species of Cyathia~- 
_ Peridium sulcate-striate within. xe 
Spores large, more than 35 long. . 1. C, Poeppigi. 
Spores small, less than 8 u long. 2. C. Berkleyana. 
Spores of medium size, 12-20 long. 
Peridium sparingly clothed with short fasciculate hairs without. 
gic, intermedia,X 
Peridium thin, shaggy-tomentose without. 4. C. hirsuta. = Stv/at us % 
on 7 
aE e Peridium very tough and brittle, rough tomentose. 5. C. dura. * 
éridium faintly striate near the mouth, not sulcate within. 6. C. Montagnet. 
Peridium 
; smooth within, not sulcate. 
Spores large, more than 40 # long. 7. C. melanosperma, ¥ 
Spores small, less than 15 long. 
Sporangioles darkish ; margin of peridium straight. 
Peridium smooth or nearly so. 8. Cp ome 
Peridium strigose-tomentose. g. C. rugisperma 
Sporangioles light colored ; margin of peridium often recurved. rmicos 
10. C. dentifera. 
Spores of medium size, [5-304 long. 
Peridium with a red felt-like mycelial bulb at base. 11. C. rufipes. > 
Peridium with a thick bulb of whitish mycelium. 12. C. Wrightii. > 
Peridium scarcely thickened at the base. 13. C. stercorea. 
@ Bull. Torrey Club, 24: 125. 1897. 
THedwigia, 37: 274. 1898. 
