136 REMARKS ON SOME ENDOPHYTIC ALG. 
in narrow longitudinal bands, which impart a striated aspect to the 
filaments. 
15. Piptocephalis Freseniana De Bary & Wor.; Fresenius, Bot. 
Zeit. p. 154 (1864); De Bary & itr. ii 
; e Mon. Rech. sur 
pp- 110-1 (1882); Sachs, Text-book of Bot., Eng. ed. ii. p. 266, 
fig. 175 (1882). | 
ertile stems scattered, from 6 to 8 times dichotomous above, 
Spores shortly cylindrical, 2-6-8-3 » broad (De Bary & Wor.), 
1:8-2°3 « (Brefeld), 4-2 » broad (Bainie)r, 8-5-4 , broad (mihi); 
about 6-7 u long (Brefeld says 8°3-5-1 «), but varying considerably. 
On horse-dung, with Mucor. Edgbaston (Wk.), January. Stem 
1-10th inch high, or higher, with about nine septa; a septum or 
two at each fork of the dichotomy. The heads fall off easily with 
the spores, from which circumstance the generic name is derived. 
mw, I fall, xepaay, a head.) Brefeld discovered the zygospores 
( b > ? 
of this species (/.c., p. 48), (Tab. 245, f. 11) 
(To be continued.) 
REMARKS ON SOME ENDOPHYTIC ALG. 
By Spencer Le M. Moors, F.L.S. 
Tue announcement by Cohn in the first volume of his ‘ Beitrage 
zur Biologie der Pflanzen,’ of the endophyte to which he gave the 
name of Chlorochytrium Lemn@, aroused general interest. Not 
very much more was done in this branch of botany until Georg 
gin to 
germinate in the sporange, growing out into oblong or elliptical = 
