PLATE Vil 



ntea Forma typica. Habit of plant, nat. size. (Cargados Carajos, -/. S. Gar diner. 

 47 fathoins . 



Ditto. Filament of frond, shewing uneven supradichotomial constrictions and capitate lateral 

 appendages of equal length. <i. capitula botryoid i n idos Carajos, J. s. Gardiner) ■ 83; 

 b. capitula flattened and lobed (Lirung, Siboga Expedition) 83. .. Filament shewing apex 

 and more crowded lateral appendag* . (I argados ( arajos, •/. S. Gardiner) ■ S3. 

 Ditto. Lateral appendages of fig. 58a (( argados), shewing the pedicel with submedian con- 

 striction and inflated lobulate head, embossed with a few low prominences. 472. 

 ■. Ditto. Lateral appendage of fig. 58$ (Lirung), showing the pedicel with submedian constriction 



aml the head complanately flattened, expanded and lobulate 472. 

 1. Udotea argentea var. spumosa var. nov. Filament from lower part of frond, showing uneven 

 dichotomial constrictions and simple, inflated, capitate, lateral appendages of equal length. 

 baleyer, reef, Siboga Expedition.) 

 i '-'. I (itto. Lateral appendage of the same, showing the rounded apex 472. In the uppei part of 



the frond the apices of the appendages are flattened or depressed. 

 Udotea occidentalis n. sp. Habil of type-plant, nat. size. (West Indies, St. Thomas, * Challenger" 

 Expedition, in Herb. Mus. Brit.). This, the type specimen, is incomplete, being destitute 

 . stipes. 

 Ditto. Habit of plant, nat. size. (West Indies. St. Jan, B'órgesen, in herb. suo) complete plant 



with stipes. 

 Ditto. Filaments of stipes showing lateral appendages, a 125; b portion 375. (West In 

 St. Jan. B'órgesen n°. 1906 pro pari 

 .'tii Wilsoni n. sp. Habit of plant. n.i\. size. (Bahamas, Howe, n". 7968). 



