ZYGNEMACER, 107 
ttt Sporoderm smooth. 
Staurospermum capucinum. Kutz. 
Sterile cells 6 to 14 times as long as broad. 
Zygospore quadrate, angles obtuse or truncate, sides often 
deeply sinuate. Sporoderm even. 
Size. ‘015 x02 mm. Zygospore 05 x -04 mm. 
De Bary Conj. p. 81. Rabh. Alg. Eur. iii, 259. 
Staurocarpus glutinosus, Hass. Alg, 177, t. 47, f. 1. 
Staurocarpus cerulescens, Hass. Alg. t. 47, f. 2. Jenner Fl. 
Tunb. Wells, 184. : 
Mougeotia glutinosa, Hass. Ann. Nat Hist. xxii. t. 7, f. 1. 
Staurocarpus capucinus, Hass. Ann. Nat. Hist. xii. p. 184, 
t. 7, f 2. 
Mougeotia cerulescens, Eng. Fl. v. 360. Harv. Man. 141. 
Eng. Bot. Ed. 2, t. 2506. 
Conferva cerulescens, Eng. Bot. t. 2457. 
Agardhia cerulescens, Gray Arr. i. 299. 
Leda capucino, Bory in Mong. & Nest. Ex. 793. 
In ditches and ponds. 
The filaments soon acquire a bluish tinge, and in drying assume a 
purple hue. 
Plate XLIV. fig. 1. a, sterile cells X 400; b, conjugating cells with 
zygospores X 400. 
Staurospermum viride. Kutz. 
Sterile cells 10 to 20 times as long as broad. 
Epispore quadrangular, angles truncate and replicate, sides 
concave, smooth. ; 
Size. Cells 008 mm. Zygospore 025 mm. 
De Bary Conj. p. 81, t. 2, f.17-18. Cleve Mon. Zyg. p. 84, 
t. 10, f. 4-5. Rabh. Alg. Eur. iii. 260. 
Staurocarpus gracilis, Hass. Ann. Nat. Hist. xii. 185, t. 7, 
f. 5. Hass. Alg. 179, t.49, f. 1. Jenner Fl. Tunb. Wells, 184. 
Staurocarpus virescens, Hass. Alg. 178, t. 48, f. 2. 
Staurocarpus affinis, Hass. Ann, Nat. Hist. xii. 185, t. 7, f. 4. 
Staurospermum franconicum, Reinsch. Algen. Fl. p. 217. 
In ditches. 
Plate XLIV. fig. 2. a, sterile cells xX 400; b, conjugating cells 
with zygospores X 400; c, development of zygospores from conjugated 
cells X 400, after De Bary, 
Sub-Family 3. GonaToNEMER. 
Cells cylindrical, much elongated, united in threads, with 
axile plates of chlorophyll. Agamospores produced without 
conjugation in cells continuous with, and partitioned from the 
mother cells. 
Q 
