332 m'LUvUN I CED STATES rl^ll COMMISSION. 



EUDENDBIUM. 



Characters of the family as given above'. 



A"*'*/ In xjH'fit'X of EudttldriWH /i"'//'/ in fix' 1\'ttIs Hull' i'i'<jnm. 



A. Main stem fascicled. (Larger spccii-s.i 



a. Stem and branches extensively annulated throughout. Hydranth b**ly vasilVrnt E. <.U*iia?. 



a'. Branches and pedicils annulnted at proximal ends only. 



6. Colony large, pinnately branched 1 . Male gonophores with 2 or Schamliers E. ramosuw. 



b f . Colony smaller, less than 3 inches. Male gonophores 4 or 5 clunnbered and borne on atrophied 



hydranths E. car it f nut. 



A'. Main stem not fascicled. (Smaller species, i 



n. Hydranth body globular; pedicils long, slender. Male gonophores 4 or 5 chambered E.tenuc. 



'. Hydranth body vasiform, colony bushy; pedicils siren;:, shorter. Female gonophorcs on aborted 



hydranths E. capillare. 



<i". Hydranth body vasiform: colony minute, about one-fourth inch, sparsely branched; pedicils very 



long, slender and pellucid. Uonuplmrc* Ixmic on aborted hydranths E. uttimn. 



Eudendrium ramosum 

 (Linn.) Fig. 7. 



(Tltbtttui-iit runt"*! Linn.. Syst. X;tt., 

 p. 13t.) 



Troplitinniie. Colony 

 bushy, attaining a height of 

 & inches; stem fascicled, the 

 main branches giving off 

 pinnately disposed branch- 

 lets; annulations confined to 

 bases of internodes and ends 

 of pedicils. Hydranth body ovoid. 



(liiwisoine. Male gonophores borne on bodies 

 of hydranths that are not often completely aborted, 

 2 or 3 chambered; female gonophores borne usually 

 on hydrantlis below tentacles, or on upper part ot 

 pedieils. 



Cnlnr^ General color greenish. The hydrantli 

 todies lined with vermilion pigment. Male gono- 

 phores vermilion; female gonophores orange red. 



Dixirilintiiin. Growing abundantly on piles of 

 U.. S. F. Co. wharf at Woods Hole. One of the com- 

 monest forms nourishing in shallow water. 



B. 



A. 



S. Kililfinti-hiHl i 



Eudendrium dispar Ag. Fig. S. 

 (Com. Nat. Hist. r...,iv,p.ais.) 



Trni>h<ixnin>'. Colony large, attaining a height of "> inches. Stem slender, slightly fawiclexl, with 

 extensively annulated branches and pedicils. Hydranth body vasiform. 



(liiiiimiiiif. (ioiKijihores Ixirne on hydranths, which are not aborted anil nstmlly not reduced 

 in size. 



Ciilor. General color greenish. Hyxlranths tose-colored. Male goronphores orange; female 

 gonophorea pink. 



Dixti-ilmtiiiii. Found in rather deep, clear water. Naushon. (A. Airassix). ('. S. Fish Commission 

 station 7CM0. off Bloek Island. (Nuttins.'. i 



