of the Hawaiian Islands. 261 



DESCRIPTION OF FIGURES. 



Plate XXII. 



Porella Hawaiiensis, n. sp. Fig. 1. Plant x ^; fig. 2, branch, vpntral view x 12 ; fig. 3, 

 pair of leaves, dorsal view x 12. 



Bazzania Baldiuinii Aust. Ms. Figs. 4, 5. Parts of stems, dorsal and ventral views 

 X 12. 



PlagiocMla gracillima Aust. Ms. Figs. G, 7. Parts of stems, dorsal and ventral views 

 X 12. 



P. Baldwinii Aust. Ms. Fig. 8. Stemx^: tigs. 9, 10, parts of stems, dorsal and 

 ventral views x 6. 



P. Eatoni Aust. Ms. Figs. 11, 12. Parts of stems, dorsal and ventral views x 6. 



P. oppositi/olia Aust. Fig. 13. Plant x ^- tigs. 14, 15, parts of stems, dorsal and ven- 

 tral views x6; fig. 16, involucral leaf x6; fig. 17, perianth x 0. 



Plate XXIII. 



PlagiocMla acutiuscula Aust. Ms. Figs. 1, 2. Parts of stems, dorsal and ventral views 

 x6. 



Jungermannia suhulata, n. sp. Fig. 3. Extremity of fruiting stem with perianth x 6 ; 

 fig. 4, involucral leaf x 75, 



J. lucens, n. sp. Fig. 5. Fertile stem x^; fig. G, extremity of same xG; fig. 7, ex- 

 tremity of sterile stem x6; fig. 8, leaf expanded xG; fig. 9, involucral leaves 

 X 6; fig. 10, perianth x 6. 



Nardia exserta, n. sp. Fig. 11. Extremity of fertile stem, showing perianth x 6. 



Tylimantlms iniegrifolius, n. sp. Fig. 12. Extremity of fertile plant, showing involucre 

 X 6; figs. 13, 14, parts of sterile stems, dorsal and ventral views x 6. 



