4 



34:0 ON THE TEGETATION OP DIEGO GAECTA. ' . 



areolatam patentia oblongo-ligulata, apice obtiisiuscule mucro- 

 nata s^pius autem angustata anomala, cellulis miniitissimis hand 

 opacis areolata, nervo crassiusciilo dorso minute scabro percursa, 

 margine incurva integerrima, limbo iibiqiie carente. 



" Island of Diego Grarcia, M?\ G. C, Bourne. 



" More slender than the best known species of this group, which 

 agree generally with the African C. Afzelii, and differing in 

 the entire absence of the marginal or intramarginal limb. In 

 some species from the islands of the Pacific the limb becomea 

 obsolete, but in these the leaf-outline is usually wider." 

 W. Mitten. 



AlG-3^. 



Cavlerpa mamillosa, Mont. 



MSS. 



speciem banc referre ausus sum. 



" De hac mihi adnotavi: 



'' Ad Confervam Echinus habitu paulisper accedit, at structura 

 abunde diversa, fere Valoniam referent (insunt inter fila Coufervse 

 fragmenta Coralliiiae et Microdictyi). — J. Gr. Agahdh." 



" Dasta indica, J". Aff, MSS.y est species nondum descrlpta. 



'' De hac specie mihi adnotavi : Nonnullis characteribus ad 

 Dasyavi stuposam J. Ag. (Sp. Alg. vol. ii. pars 3, p. 1197) 

 D. crassipes^ Harv. Alg. Ceylon, no. 7 (non Harv. Austral.) ; 

 aliis characteribus ad Dasyam Cardicanam accedit. Frons est 

 inferne corticata, ramulis fasciculato-fastigiatis sursum porrectis, 

 subsecundatis, inferiore parte articulata at corticata, superiore 

 monosiphonia. — J. Gr. Agahdh." 



Halimeda Opuntia, Lamour. 



Saegassttm, sp- (too imperfect for determination). 



L 



TURBII^AIMA TITLGAKIS, var. DECUEEEyS, J". Ag, 



Eungi. 



PoLTPORrs SA:N'GTJiNErs, T'rie^. An almost cosmopolitan 



species 



