78 
Alas see and Salmon — Researches on 
species. To the naked eye *S\ intermedia appears as minute yellow 
stalks bearing yellowish-brown shining globular heads. 
Piptocephalis Ereseniana, De Bary and Woron. ex Bain. ; Sacc. 
Syll. Fung, vii, 226 (1888). 
Hab . — On Hares’ dung, Kew, Feb. 1901. 
Gircinella umbellata, van Tiegh. and Le Monnier (Figs. 109- 
1 12). 
C. umbellata , van Tiegh. and Le Monnier, in Ann. Sci. Nat. s6r. v, 
xvii, 300, pi. 21, ff. 18-23 (* 87 3)>‘ Sacc. Syll. Fung, vii, 216 (1888); 
Fischer in Rabenh. Krypt.-Fl. Deutschl. Bd. i, Abth. 4, 216, Fig. 34 
(1892). 
At first colourless, then slightly brownish ; sporangiophore erect, 
1-6 cent, or more high, simple or branched, flexuous, aseptate, flaccid, 
terminating in a sterile apex, bearing in a sympodial manner two rows 
of alternating branches, which bear 2-20 short unbranched usually 
septate more or less crowded branchlets curved at the apex ; sporangia 
drooping, borne singly on each branchlet, subglobose, 60-1 20/x in diam., 
wall covered with minute particles of lime, columella large, oblong or 
pyriform, spores globose or subglobose, smooth, 7-10 ju diam. 
Nab . — On Ostrich-dung, Kew, June 1901 ; on dung of Cat, Kew, 
Oct. 1901. (Distrib. — France, Holland, Germany; on dung of Man, 
Dog, Gazelle, Rat, and on rotten vegetable substances; cultivated on 
damp bread, orange, and plum-decoction.) 
A somewhat variable species, but easily recognized by the sym- 
podially-borne ‘ umbels/ In its robuster form, which occurred on 
Ostrich-dung, each ‘umbel’ was composed of 12-20 more or less 
crowded branchlets ; in the smaller form, on Cats’ dung, the number 
of the branchlets was reduced to two or three. 
Helicostylum piriforme, Bainier (Figs. 105-108). 
II. piriforme , Bain., in Bull. Soc. Bot. France, xxvii, 227 , pi. 5, 
ff. 5-1 1 (1880) ; Bain, in Ann. Sci. Nat. sdr. vi, xv, 85, Taf. 4, ff. 5-1 1 
(1883); Sacc. Syll. Fung, vii, 210(1888); Fischer in Rabenh. Krypt.- 
Fl. Deutschl. Bd. i, Abth. 4, 252 (1892). 
Sporangiophore upright, smooth, colourless, aseptate, with or with- 
out a large erect terminal sporangium, irregularly branched with two 
kinds of branches : branches of the first kind long, solitary, spreading, 
sterile or terminating in a large sporangium ; branches of the second 
kind lateral, very short, thick, horizontally spreading, whorled, bearing 
at their apex numerous crowded, whorled, short, forked and lobed 
