XXXVI SYNOPSIS OF THE SPECIES. 



319. Iiinum; filaments very thick, of great length, curled, rigid, loosely 

 bundled; articulations as long as broad. (Tab. CL. A.) 



320. sutoria; filaments setaceous, long, flexuous, dark green ; articulations once 

 and half as long as broad. (Tab. CL. B.) 



321. tortuosaj filaments rigid, slender, curled, interwoven in spreading strata; 

 joints twice or thrice as long as broad. (Tab. L1V. A.) 



322. implexaj filaments very slender, rather flaccid, forming entangled, bright- 

 green strata; joints as long as, or longer than broad. (Tab. LIV. B.) 



* * Fixed by the base, tufted. 



323. Melagonium; filaments erect, straight, robust, slightly tufted, stiff and 

 wiry, dark green; joints twice as long as broad. (Tab. XCIX. A.) 



324. area; filaments fixed, long, setaceous, tufted, straight, harsh, brittle, 

 yellow-green; joints as long as broad. (Tab. XCIX. B.) 



325. collabensj filaments long, straight, tufted, variable in diameter, gelati- 

 nous and flaccid, seraginous green ; articulations as long as broad, with 

 dense, granular endochrome. (Tab. CCCXXVII.) 



326. bangioidesj filaments long, slender, soft, lubricous, wavy; articulations 

 twice as long as broad, containing at maturity a dense green mass ; dissepi- 

 ments broad and pellucid. (Tab. CCLXVIII.) 



327. Younganaj filaments short, tufted, nearly straight; articulations once or 

 twice as long as broad; dissepiments contracted. (Tab. CCCXXVIII.) 



328. clandestina, Berk. Gl. Br. Alg. t. 13. f. 1. {Unknown to me.) 



XCIV. OCHLOCHJSTE. 



329. Hystrix. (Tab. CCXXVI.) 



Order 16. ULVACE^L 



XCV. ENTEEOMOEPHA. 



330. cornucopia; gregarious, small; fronds stipitate, suddenly dilated, at 

 length torn, plaited at the margin. (Tab. CCCIY.) 



331. intestinalis j simple, clavate, at length inflated, tapering much to the base. 

 (Tab. CLIV.) 



332. compressa; branching, compressed, more or less compounded; branches 

 subsimple, obtuse, much attenuated at the base. (Tab. CCCXXXV.) 



333. Iiinkiana; cylindrical, reticulated, very pale, membranaceous (rigid when 

 dry), much branched; branches alternate, spreading. (Tab. CCCXLIV.) 



334. erectaj frond cylindrical, filiform, slender; branches erect, opposite or 

 alternate, all attenuated to a point ; ramuli capillary, erecto-patent ; cells 

 rectangular, filled with endochrome. (Tab. XL1II.) 



335. clathrataj cylindrical, filiform, slender, reticulated, much branched; 

 branches decompound, spreading, set with divaricated, spine-like ramuli. 

 (Tab. CCCXL.) 



336. ramulosaj frond subcomprcsscd, irregularly branched; main divisions 

 long and subsimple; lateral branches curved and twisted, everywhere 

 clothed with short, divaricated, spine-like ramuli. (Tab. CCXLV.) 



337. Hopkirkii ; frond by ssoid, excessively branched ; branches erect, attenuate, 

 bearing scattered, subulate ramuli ; reticulations very large, each areole con- 

 taining one or two minute grains. (Tab. CCLXI1I.) 



