CCVI CONGRÈS DE BOTANIQUE TENU A PARIS EN AOUT 1889. 
Bracteæ erectæ, foliis æquales, breviter bilobæ, lobo obovato, lobulo 
complicato lineari; bracteola cuneato-lanceolata, ad \ bifida, segmentis 
acutis. Perianthia emersa, piriformi-oblonga, compressula, ex apice 
rotundato rostellata, obtuse 5-carinata. Flores çf haud inveni. 
Hab. Insula Nukahiva ( Marquesas ), in Muscis repens (Ed. Jardin). 
— Lejeunea pacifica Mont, certe differt florescentia monoica; foliis 
majoribus, longioribus; foliolis multo majoribus, ovalibus, profunde 
bifidis; perianthio longirostri. 
Explication des figures des planches XIII à XVII. 
Planche XIII. 
Lejeunea (Harpalejeunea tridens). 
Fig. 1, Plantæ nat. magn.; — 2, caulis pars a fronte et 3, a tergo visa X 64; 
— 4-8, folia X 85 ; — 9, cellulæ folii X 290; — 10, 11, foliola X 64 ; 
— 12, foliolum X 85. 
Planche XIV. 
Mylia antillana Garr. et Spruce. 
Fig. 1, Plantæ nat. magn.; — 2, caulis fertilis a fronte [visus X 31 ; — 
3, ejusdem pars postice visa X64; — 4, folii cellulæ X 290;— 5, 
foliolum X 85; — 6,7, bracteæ X 31 ; — 8, 9, folia infrafloralia 
(s. bracteæ exteriores) X 31; — 10, perianthium X 31 ; — 11, 12, 
perianthii sectiones X 31 ; — 13, perianthii oris pars X 64; — 14, 
caulis o 71 apex; —15, bractea; — 16, antheridium : omnia X 85. 
\ 
Planche XV. 
Lejeunea ( Hygrolcjeunea ) leucosis. 
Fig. 1, Plantæ nat. magn.; — 2, ramus a fronte visus; — 3, caulis cum ra- 
mulo masculo postice visus X 24; — 4, folia X 64; — 5, cellulæ folii 
X 290 ; — 6, folii lobulus X 64 ; — 7-9, foliola X 24 ; — 10, foliolum 
X 64;— 11, bracteæ et (12) bracteola X 64; —13, perianthium antice 
visum X 64; — 14, bractea çf X 64; — 15, antheridium X 85. 
Planche XVI 
Lejeunea ( Trachylejeunea) Germanii. 
Fig. 1, Plantæ nat. magn.; — 2, caulis pars cum ramulo femineo (simplice) 
X 24; — 3, caulis pars postice visa X 24; —4,5, folia caulinaX 24; 
— 6, f.[ rami X 64; — 7, cellulæ folii X290; — 8, earumdem faciès 
exterior papuloso-convexa in sectione ; — 9, 10, foliola X 24; — 
11, foliolum X 64 ; — 12, 13, bracteæ X 24; — 14, bracteola X 24; 
— 15, 16, foliola subfloralia X 24. 
