PLTJMULARIA FUUTESCENS. 307 



capsule resembles that of Clytia Johnstoni, and the form is 

 unique amongst the Plumulariidce. 



The polypites have about 20 tentacles when mature. 

 Like others of their tribe they have the habit of throwing 

 the arms back and allowing them to droop gracefully round 

 the calycle. 



Hab. On stones, and amongst sponge &c. covering the 

 surface of the rock, near low-water mark. Cullercoats, 

 and elsewhere on the Northumberland coast, not common 

 (J. A.): Roker, near Sunderlaiid (Mr. A. Hancock): Shet- 

 land (Barlee) : the Capstone, Ilfracombe, in the lower rock- 

 pools (T. H.). In the last-mentioned locality it is not at 

 all uncommon. 



8. P. FRUTESCENS, Ellis & Soland. 



SERTULARIA G-ORGONIA, Pall. Elencluis, 158. 



FRUTESCENS, Ell is Sf Soland. 55, pi. vi. figs, u, A. and pi. ix. 



figs. 1. 2. 



AGLAOPHENIA FRUTESCEX.'?, Lama:. Cor. flex. 173. 

 PLUMULARIA FRUTESCENS, Lamk. An. s. Vert. (2nd ed.) ii. 1(50; Johnst. B. Z. 



100, pi. xxiv. figs. 2, 3. 

 PENNARIA FKUTICANS, Okcn, Lehrb. Nat. 1)4. 



Plate LXVIL fig. 3. 



ZOOPHYTE irregularly branched, shrubby, of a black or dusky- 

 brown colour, varnished; STEM tapering, composed of many 

 delicate agglutinated tubes, the branches much and irre- 

 gularly divided and subdivided into pfumous shoots ; pinna 

 approximate, crowded, alternate, bearing a brancklet a 

 little above the point of origin, which is generally bifid ; 

 HYDROTHEC.E deep, almost cylindrical, adnate, with a 

 slightly everted plain margin, from one to three on each 

 internode; NEMATOPHORKS funnel-shaped, the terminal 

 cup wide and shallow, a pair behind and above the caly- 

 cle, and one below it ; GONOTHEC.E pear-shaped, shortly 

 stalked, obliquely truncate above, with a very large oper- 

 culated aperture, about three times the length of the 

 calycle. 



x2 



