Mastigolejetinea. franzstephani. specieshepaticarum (Vol. IV, 1912). 
27. Mastigolejeunea formosensis St. n. sp. 
Sterilis, mediocris, fusco-virens, flaccida, spongiose caespitans. Cauli^ 
ad 35 cm. longus, parum longeque ramosus. Folia caulina conferta, 
recte patula, squarrose recurva, in plano late elliptica, syrametrica 
(1,33 mm. longa, 1 mm. lata) apice rotundata, late basi inserta. Cellulx 
super£e 27x45 «i basales vix majores, trigonis parvis, inferne nullis. 
Lobulm raaximus, in situ saccatus, carina oblique adscendens, bene 
arcuata, levi sinu in folii marginem excurrens, in plano oblongus, folio 
subduplo brevior, duplo longior quam latus, apice oblique tioincatus, 
attenuatus, angulo obtuso vix prominente. Amphigastria caulina reni- 
formia, maxima, caule quintuplo latiora, breviter sinuatim inserta, 
apice late tnuicato-rotundata. 
Hab. In»ula Formosa. 
28. Mastigolejeunea guahamensis (Ldbg. ) St. 
Syn. : Lejeunea guahamenMS Ldbg. Syn. Hep. p. 333. 
Dioica mediocris pallide virens, flaccida, in cortice dense depresso 
cffispitans. Caulis ad 4 cm. longiis, irregulariter pinnulatus, pinnis 
sje[)e fasciculatim aggregatis. Folia cautina imbricata, subrecte patula, 
parum concava, ifi plano ovato-elliptica, subsymraetrica (0,93 mm. 
loFiga. 0,6 nnn. lata) apice late rotnndata, ad medium accreta, basi 
autica leviter rotundata. Cetlula' superae 12X 18 {i trigonis panis, 
basales 18X36 trigonis majusculis. Lobulm in situ fusiformls, in 
pla'10 oblongus, stibligulatus, duplo longior quam latus, apice parum 
angustiore, truncato, angiilo apiculato. Aniphigastria caulina late obcu- 
neata, caule quintuplo latiora, subtransvei^se inserta, apice late rotun- 
dala. Perianthia oblonga, plus duplo longiora quam lata, plica postica 
ailissima, rostro parvo. Folia floralia intima obovato-oblonga, perian- 
thio parum longiora, obtusa, lobulo triplo breviore, serairotundo, ad 
V 3 sohito, apiee late rotundato. Amphigastrium florale intimum perian- 
thia sub.-equilongum, angiiste ellipticum, apice ti-uncato-rotundatura. 
Androecia in medio ramorum, bracteis ad 12 jugis. 
Hab. Insulse Marianse, Guaham. Samoa. 
29. Mastigolejeunea humiHs (G.) S. Hep. Am. And. 
p. 101. 
Syn. : Phragmicoma humilis G. Syn. Hep. p. 2^)9. 
FHoica mediocris rufo-brunnea, valida, in cortice h\e caespitans. 
Canlh ad l cin. loiigus, irregulariter raultiramosus. Folia caulina con- 
ferta, recte patula, raargine postico arcte recurvo, in plano ovato- 
rotundata (1,33 mm. ionga, 1 mm. lata) apice obtusa, ad inedium 
