5^6 APPENDIS. 71a. PLEOPELTIS. 



scales; under surface naked; costa more or less prominent; areolae 

 numerous, irregular, hidden, with copious free veinlets. Sori moderately 

 large, in 1 row on each side, medial, immersed. 



Forma typica: Fronds lanceolate, + T'/j — 15 cm. long, 1 — 2'l^ 

 cm. broad. 



War. 4»vata,: Fronds ovate, proportionally short and hroad. 



Nerv Guinea. 



(174o) PI. selligueoidcs, v. A. ». R., in Bull. Btz., 19in. 

 XXIII, 18. 



(nib) See No. 176a. 



(176a) P8. iieniiouiti<lea, Moore. 



Fronds often wing-like in the lower part. Texture memhranaceous 

 to thinly coriaceous; costa sUghtly, deciduously scaly, glabrescent, as is 

 the stipe ; main veins whether or not blackish ; primary areolae irregular 

 or subquadrangular, in several rows on a side, divided into irregular 

 smaller ones with included free veinlets. 



(185a) PI. subopposita, v. A. v. n. 



A dupUcate of Merrill's No. 8536, occurring in the Buitenzorg Herbarium, 

 differs from Christ's diagnosis in havmg the fronds oblanceolate, broadest 

 above the middle, and a duplicate of Mearns' No. 3429 (?), Bur. of Sci., 

 has the fronds sinuated, narrowly long-decurrent. 



(1865) PI. Zolliiigeriana, r. A. ». «.,• Dictyopteris Bvoohsiae, 

 V. A. V. R., in Bull. Btz., 1916, XXIII, 9 ; Aspidium Brooksiae, v. A. v. B., 1. c. 



Sori roundish, scattered irregularly between the main veins, not 

 rarely confluent so as to form about 3 — 4 interrupted lines which are 

 mostly parallel to the main veins but the lower elongated sori often 

 parallel to the costa. 



(219a) PI. (aeniata, ». A. v. JS. ; — var. angustata. 



Forma typica: Pinnae linear-lanceolate, broadest at or near the middle, 

 free, the higher narrowly to broadly adnate to the rachis; sori medial or 

 nearer the costa than the margin. 



Forma submarginaUs : Like the type but the sori submarginal. 



MHH 



