24 
ON DACRYOPSIS. 
reliable test of affinity — life history — should endeavour to indicate 
affinity from analogy to such an extent as is too frequently done. 
The close morphological agreement between the gonideal condition 
in the present genus and in Coryne further illustrates the same 
idea. 
Dacxyopsis gyxocephala, Mass. Coryne gyrocephala, B. # C. f 
Grev. ii., 20. 
Gregarious or scattered ; head hemispherical, plane below, with 
ridges arranged in a gyrose manner, dark purple, blackish purple 
when dry ; stem equal or slightly incrassate above, smooth, even, 
pale, tan coloured, 2-3 J millim. long, 1J mill, thick ; gonidiophores 
covering every part of the head, simple, aseptate, straight, 40-50 
X 1^ n ; gonidia terminal, continuous, colourless, elliptic-oblong, 
2J x 1 /L6 ; basidia projecting beyond the gonidiophores, aseptate 
cylindrical, bifurcate near the apex, 60-65 x 6-7 /x ; spores con- 
tinuous, colourless, elliptic-oblong, slightly curved, with an oblique 
apiculus at the base, 15-16 x 4-4^- /x ; clavate, paraphyses 
numerous, shorter than the gonidiophores. 
On rotten wood. Lower Carolina. 
Dacxyopsis Ellisiana, Mass. Coryne Ellisii, BerJc. Grev. n., 33. 
Gregarious, head broadly elliptical or elliptic-oblong, smooth, 
even, pale brown, 4-6 x 2-4 mill., stem cylindrical, longitudinally 
wrinkled, 3-4 x 1^-2 mill., dark brown ; gonidiophores covering 
the entire head, straight, septate, with 1-3 short branchlets near 
the apex, 40-50 X 2J /x; gonidia continuous, colourless, elliptic- 
oblong, very slightly curved, 3 x 1 /x ; basidia cylindrical, bifurcate 
at the apex, aseptate, 50-55 X 6 /x ; spores elliptic-oblong, with 
an oblique apiculus at the base, 14 x 5 /x. 
On decaying basswood log. New York. 
Dacxyopsis unicolox, Massee. Coryne unicolor, Berlc. Sf Curt. 
Gregarious, entire fungus blackish brown ; head globose, small, 
smooth, even, 1^-2 mill. diam. ; stem elongated, erect, slightly 
attenuated upwards, vaguely longitudinally rugulose, 5-8 x 1-1£ 
mill. ; gonidiophores covering every portion of the head, linear, 
curved, septate, with a few short lateral branchlets, 70-80 x 1^ 
fx ; gonidia elliptic, oblong, continuous, colourless, 3 X 1 /x ; basidia 
appearing after the gonidiophores, aseptate, bifurcate at the apex, 
45-50 X 5-6 [x. Spores continuous, colourless, elliptic-oblong, 
with an oblique apiculus at the base, 15 x 4-4^ /x. 
On rotten wood. Cuba. 
Dacxyopsis xiuda, Massee. Ditiola nuda, BerJc. Ann. Nat. Hist., 
Ser. ii., Vol. II., 267. 
Gregarious ; head hemispherical, flattened below, at first even, 
then minutely rugulose, reddish, orange, 3-4 mill. diam. Stem 
short, stout, equal, white, or tinged with yellow, minutely 
tomentose, 3-4 x 2-2^ mill., even ; gonidiophores appearing 
before the basidia, linear, straight, aseptate, simple, or rarely with 
one or two short branchlets near the apex, 35-40 x H 5 gonidia 
