nis ,-,,,; \|, Howi to include ./. .)/./:<■/, vvould now have to be transferred 



to the thir.1 and last of the older West Indian spa / tordüla Crouan 



I ,.■],]) 



,„ i ; 8. p. 178 |>l p!. 24, figs. 2i, 22; Zool. XII. 



pi. 4 il 22. 



Mont. in Ann. Sci. Nat. VII. [857. p. 1 



mard. Plant, in Mare Rubro Enum. in Mem. Ist. Venct. VII. 1858. 



XIII, Ii;... 1. 



1 .nu Syll. Alg. 1. [889. |>. 509. 

 Hieron. 111 Engler Pflanzenwell Ostafrikas. Theil < . p. 24. 1895. 

 1 Harvey-Gibson in Journ. Linn. Soc. (Zool. XXXI. [908. p. jj. 



ialega, /.< Duc in Herb. Mus. Paris! .nul Herb. Kützing! Mauritius, Pike\ — 



Amirante, ;> fathoms; Coetivy reefs expo dead low tidej Saya de Malha, 25 & 29 



fathom .'l"s Carajos, 4- fathoms; Salomon Chagos Archipelago) reefs uxpn-ul ai 



ad low tide, J. Stanley Gardiner\ — Red Sea, Suez, f/or, Portier. Suez, Crossland. 



Plant erreen or brown, either consistiiiL' of numerous smal! conereeated fronds arisiiiLj 

 from a more <>r less thickened base (reef form); or of fewer and larger fronds borne upon 

 deep water form). Stalks rather thick, [—3 times dichotomously branched, 

 2 — 6 cm. high, bearing fronds which vary from 1-7.5 or even 10 cm. high, by 1 — 5.5 cm. wide 



Fronds trom a cuneate or shortly elliptic base, sub-rhomboid rotundate, zonate, rather 

 tliin. in reit' forms very much reduced by erosion. 



Filaments of frond slender, interwoven, cylindrical, towards the apices torulose, tortuous, 

 branched; branches curved, irrejjularly swollen, often unilaterally torulose and felted together 

 so as to form a pseudo-cortex of the flabellum, varying trom 25 ■>. inside tin- flabellum to 

 about 1 5 u at the apices of the filaments, and occasionally to 6 [x. [Figs. 112. 11 



fi irma Montagneana. 



Plants short (6 cm.), densely congregated, fronds very much eroded, obsoletelj zonate. 



forma suómersa. 



ïts tall up to iS cm.), fronds few, large, entire, zonate. 



The hrst record of this species is Montagne's description, under the name ol Udotea 



fe/p/ia, of the specimen (fig. 1121 collected by Li Du< at Galega in the Indian Ocean, 



1 in 1 s 5 - . The specimen in question is preserved in the Herbarium of the Paris 



portion of it came into the possession of Ki rziNG, and is in his herbarium, now 



of Madame Weber van Bosse. This fragment bears a label in Montacnk's hand- 



claring its authenticity. Both these portions of the original plant we have been 



the kindness of their nspective custodians. The habit of Moni vgni 's original 



cribed as follows. From a thickened crowded base spring many short 



• of which branch dichotomously and ln-ar small rather thin fronds of irre- 



hole plant is of a brownish colour and about o cm. high. The basal part 



t-like hairy appearance, caused by the projection beyond the surface) of 



