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PLctllaph. 6.SARC0THALAME.E. 145. Circin. 521
1 Circinostoma pulchelliim. Pretly circinoslome,
Theccs close, deep, very much crowded, inclined, black
mouths very long, cylindrical, bent.
SphKria puichella, Persoon Sjjn. 43.
Upon cherry-trees.
Thecce ovate, collapsed ;
flexuous ;
perforated at the tip.
mouths pressed together, mostly
2. Circinostoma amhiens. GircFmg circinosldme^
TheccB rather ovate, girt with a white disk.
Sphajria ambiens, Persoon Syn. 44.
On hawthorn and beech trees.
3. Circinostoma quaternatum. Quater?iio?i circinostome.
Thecce in fours, depressed; mouths very short, blunt,
joined together.
Sphaeria quateniata, Persoon Syn, 45.
On dry beech and maple trees.
Thecce lying down ; mouths bent inwards, very short.
4. Circinostoma conjuncium. Conjoined circinostome.
Thecce 3 to 9, depressed ; mouths conjoined into a black.
'shining, umbilicated disk.
Sphssria conjuncta, Esenbeck Syst. SO.
On the branches of hazel-trees; spring.
5. Circinostoma convergens. Converging circinostome,
Thecce ovate,, nearly upright; mouths straight, cylin-
drical.
Sphceria con\'ergeus, J'ode Meckl, 2, 39 ; Suicerby Fungi, 374, 6.
On the branches of trees.
Thecce scarcely decumbent ; mouths converging.
6. Circinostoma umhillcatmn. Umhilicated circinostome,
Thecce small, crowded, nearly cupshape, rough.
Sphasria iimbilicata, Persoon Syn. 45.
On hazel-trees.
Mouths rather prominent; tip deeply umbilicated.
XII. 146. EXORMATOSTOMA. Exormatostome.
Thallus ; thecce growing under the epidermis of plants
and perforating it, scattered ; mouths upright.