PI, cell, aph, 6. SARCOTHALAMEiE. 145.Circin. 521 
1. Circinostoma pulchellum, Pretty eircinostome 
Thecce close, deep, very much crowded, inclined, black ; 
mouths very long, cylindrical, bent. 
Sphwria pulchella, Persoon Syn. 43. 
Upon cherry-trees. 
Thecce ovate, collapsed ; mouths pressed together, mostly 
flexuous ; perforated at the tip. 
2. Circinostoma ambiens. Girding eircinostome, 
Thecce rather ovate, girt with a white disk. 
Sphaeria ambiens, Persoon Syn. 44. 
On hawthorn and beech trees. 
S. Circinostoma quaternatum. Quaternion eircinostome , 
Thecce in fours, depressed; mouths very short, blunt, 
joined together. 
Sphaeria quaternata, Persoon Syn. 45. 
On dry beech and maple trees. 
Thecce lying down ; mouths bent inwards, very short. 
4. Circinostoma conjunctum. Conjoined eircinostome 
Thecce 3 to 9, depressed ; mouths conjoined into a black, 
shining, umbilicated disk. 
Sphaeria conjuncta, Esenbeck Syst. 80. 
On the branches of hazel-trees ; spring. 
5. Circinostoma convergens. Converging eircinostome . 
Thecce ovate, nearly upright; mouths straight, cylin- 
drical. 
Sphaeria convergens, 2'ode Meckl. 2, 39; Soiverby Fungi , 374, 6. 
On the branches of trees. 
Thecce scarcely decumbent ; mouths converging. 
6. Circinostoma umbilicatum. Umbilicated eircinostome * 
Thecce small, crowded, nearly cupshape, rough. 
Sphaeria umbilicata, Persoon Syn. 45. 
On hazel-trees. 
Mouths rather prominent; tip deeply umbilicated. 
XII. 146. EXORMATOSTOMA. Exormatostome. 
Thallus 0 ; thecce growing under the epidermis of plants 
and perforating it, scattered ; mouths upright. 
