134 V. F. BROTHERUS AND W. W. WATTS. 



Santo: Bowie, 1909 (Hb. Watts, 89); Aneityum: Gunn, Oct., 

 1911 (Hb. Watts; 193, Hb. Lillie, 697), May-June, 1913 (Hb. 

 Watts, 410); Futuna: Gunn, Oct. 1912 (Hb. Watts, 292). 



S. (Orthotheca) diversiretis Broth, et Watts, n.sp. 



Dioicus; robustiusculus, csespitosus, csespitibus densis, virid- 

 ibus, aetate lutescenti-viridibus, opacis; caulis erectus, usque ad 

 5 cm. longus, fusco-tomentosus, dense foliosus, dichotome ramosus 

 vel simplex; folia e basi erecta, oblonga, superne serrata sensim 

 in laminam erecto-patentem, usque ad 5 mm. longam, linearem, 

 acuminatam, obtusiusculam vel acutam attenuata, marginibus 

 partis laminalis incrassatis, superne geminatim serratis, nervo 

 crasso, continuo vel excedente, levi, cellulis laminalibus minutis, 

 subquadratis, pellucidis levibus, cellulis partis vaginalis superior- 

 ibus eisdem laminalibus similibus, marginalibus in seriebus paucis 

 anguste rectangularibus, internis breviter et late rectangularibus. 

 Caetera ignota. 



Aneityum: Gunn, Feb., 1913 (Hb. Watts, 352a); S.W. side, 

 May-June, 1913 (Hb. Watts, 434). 



Species a S. perarmato habitu subsimili foliorum structura longe 

 diversa. 



S. (Orthotheca) aneitensis Broth, et Watts, n.sp. 



Dioicus; robustiusculus, caespitosus, csespitibus laxis, lutescenti- 

 viridibus, opacis; caulis erectus, vix ultra 2 cm. longus, fusco- 

 tomentosus, dense foliosus, simplex vel f urcatus; folia e basi erecta, 

 oblonga, superne serrata sensim in laminam erecto-patentem, usque 

 ad 6 mm. longam, linearem, breviter acuminatam, obtusiusculam 

 attenuata, marginibus partis laminalis incrassatis, superne gemin- 

 atim serratis, nervo crasso, basi c. 0*10 mm. lato, subcontinuo, levi, 

 cellulis laminalibus minutis, subquadratis, pellucidis, levibus, 

 cellulis partis vaginalis superioribus eisdem laminalibus similibus, 

 marginalibus in seriebus paucis anguste rectangularibus, internis 

 breviter et late rectangularis. Caetera ignota. 



