Fig. 13. 



FAMILY III. SERTULARIADiE. 



5. Thoa,* Lamouroux. 

 Character. — Polypidoms rooted, arbuscidar : the stem com- 

 posed of aggregated suhparallel capillary tubes ; the branches al- 

 ternate, spreading bifariously : cells tubular, indistinct, alter- 

 nate : ovarian-vesicles irregularly scattered. — Polypes hydraform, 

 scarcely retractile loithin their cells. 



1. T. HALECiNA, vesicles oval, the aperture shortly tubuloiis 

 subterminal. Mr. Newton. -f- 



Plate VL 



* From fleof, sharj) ; or more probably a mispelling of Thoe — one of the 

 Nereids. 



f Mr James Newton, a good practical botanist, contemporary with Ray, to 

 whom he sent many contributions for the Synop. Stirp. Brit., and the Hist. 

 Plantarum. He died before the publication of the 3d edition of the Synopsis 

 in 1724, but Dillenius acknowledges his obligations, and introduced several 

 species into our Flora, for the first time, on Newton's authority. I am not aware 



