Callitliamnion. Ceramie^, 29 



Sphcerosporis ex pinnella laterali formatis, in pinnula lateralihus, 



introrsis sessilibus. Sp. 56—57. 

 Sphcerosporis ex jnnnella laterali formatis in pinnula lateralibus, 



alternis, sessilibus. Sp. 58. 

 1). fronde sursum longe corticata. Sp. 59. 



11. PoLYSPERM^ subdisiiche decomposike, ramis majorihus 



sensim quoqnoversuni porrectis, superiorihus subdi- 

 stiche pJumosis, plumulis alterne pinnotis plus mi- 

 nus compositis. 



a. Fronde fere a basi ecorticata. Sp. 60 — 62. 



b. Fronde sursum longe corticata. Sp. 63—65. 



12. ARBUSCuLih: majores sursmn longe corticatcB, fihris cor- 



ticalibus intra memhranam eaulis formatis, adpa- 

 renter quoejuoversum ramosee, ramis sce^te dense in- 

 vestientibus pinnatis. 



a. Bamulis ultimis cum rachide decussatis subdistiche pinnatis, latus 



planum rachidi advertentibus. Sp. 67—70. 



b. Bamulis ultimis cum rachide decussatis subsquarrosis pinnatim 



ramellosis, introrsum nudis, lateraliter et extrorsum ramello- 

 sis. Sp. 71-74. 



54. C. GRACiLLiMUM (Hfirv. in HooJc. Br. Fl. II. p. 345.) fronde 



erectiuscula alterne decomposito-pinnata, disticha, a basi 

 articulata, plumulis decompositis, pinnula articuli infimi 

 pinnse cujusvis nuUa aut sequentibus subminori, sphsero- 

 sporis ex terminali articulo pinnulse formatis, in pinnula 

 subsolitariis. J. Ag. Sp. p. 43. Harv. PJiyc. Brit. tah. V. 

 Kiits. tab. Bhyc. VoJ. XI. tahl 73. 



Ad oras atlanticas Gallise et Anglise, 



55. C. Thuyoides (Sm. EngJ. Bot. tab. 2205) fronde erectius- 



cula alterne decomposito-pinnata, disticha, a basi articu- 

 lata, plumulis decompositis, piniiula articuli inlimi pinnse 



55a. C. TRUNCATUM (Menegh. Giorn. 1844.^.288.) trichomatibus decom- 

 posito-pinnatis, pinnis lineari-lanceolatis apice truncatis pinnulis- 

 quc alternis, rigidis, erectis, infra articulationem exortis; rachide 

 flexuosa, pinnula inferiore cujusque ordinis semper interna; pin- 

 nulis ultimis ssepe secundis ; articulis diametro triplo longioribus. 

 Kiits. sp. p. 644. J. Ag. Sp. p. 44. 

 Ad Dalmatiam. 



