LM1 U V E. 157 



called figs by the country-people, are washed on Bhoreand 



collected as manure, though inferior in strength to many 

 other marine plants. 



27<>. mesocarpum [The middle-fruited Callithatnnion) ; stems 

 rising from creeping filaments, erect, simple or sparingly 

 branched; branches alternate, v»-r\ erect, naked, or having 

 a few, scattered, erect ramuli; articulations four or five 1 

 as long as broad; tetraspores elliptical, on long, simple or 

 forked, lateral pedicels, Carm. Alg. Appin. .!/»'. (Harv. in 

 Hook. Brit. Fl. v. 2.p. S48.) An ls, PL LX. Fig. 279.) 

 Lppin. On rocks at the extremity of low-water mark. 

 This species comes bo A<<c to some states of ( '. Turneri, 

 particularly to those varieties constituting C. rejh 

 authors, that it may fairly be questioned whether ('. meso- 

 eari'iim Bhould not l>e erased altogether from the list of 

 species, and referred a- a synonym to C. Twrneri* Cap- 

 tain Carmichael's specimen is mixed with fronds of C. 

 Pluma. This is curious, as both were found growing on 

 hare rocks, and C. Pluma is well known to prefer the stems 

 of Laminaria . 



277. sparsum (The scattered Caffithammon) ; parasitical, mi- 

 nute filaments tufted, scattered, and sparingly branched ■ 

 branches spreading, unequal; articulations twice or thrice 

 a- long as broad; tetraspores "obovate, Bessile, mostly axil- 

 lary," Harv. in Honk. Dr. Fl. u. 2. p. 3 is. (Atlas, PL LX. 

 280.) 

 Callithamnion floridulum, Lyngb. Trentepohlia Bparsa, Harv. 

 Huh. On old Btems of Laminaria saccharin?/ and Cladophora 

 rupestris. 

 A minute and little known, but perhaps not uncommon 

 species, in many respects allied to C. Daviesii, and in some 

 approaching C. Rotkii, hut differing from both in the very 

 simple filaments and ftexuOUfi branches. 

 27s. Daviesii Vavies' 8 CaUithcunnion) ; rose-red, minute, tufted, 

 much branched; branches curved*, scattered, patent ; ramuli 

 of several cells, fascicled, or crowded toward the axils ^i' the 

 indary branches; tetraspores pedicellate, borne on the 

 axillary ramuli, Lyngb, Hyd. Dan. i>. 129. £. 41. I \ 

 PI. LX. Pig. 281.) 

 Trentepohlia Daviesii, Harv. Conferva Daviesii, THUw. 

 Il'th. Parasitica] on Ceramium rubrum and other Bmall AJgss, in 

 ])<)oN between tide-mark-. Annual. Summer and autumn. 



This and the species which follows are beautiful micro- 

 objects, hut particularly C. oirgatulum s for 1 find 



