Stylophora -5 
r-J 
Key to Species* 
Calices with extended upper lip* 
Corallum ramose, forming thick cylindrical or slightly com* 
Surface of 'branches with monticules *** St, monticulosa Vaughan 
Surface of "branches without monticules 
Branches large compressed, 
no elevated line "between calices, second cycle of 
septa usually well developed - 5t »ant iguensis Vaughan 
with distinct, elevated line between the calices, 
pressed branches, St, afflnis Duncan, 
Calices without extended upper lip. 
Corallum ramose* 
second cycle of septa „ 3t» comrressa 
Duncan* 
Branches small compressed, 
calice shallow, second cycle of septa present. 
St* alumensis Vaughan, 
Branches elongate, 
extremely ai/te^ate , calices about «5 ram'* in 
diameter 
St, Adnutisaizaa Vaughan 
often much alternate, calices shallow, 1 mm, in 
diameter 
St, silicon sis Vaughan 
calices deep, about 1 mm* in diameter 
St, granulata Duncan 
