- 11 - 



Var. BacBidi (B. Backeri, v.A.v.R., l.c, 817, iiicl. 

 var. aspera) : Like th(3 type but the rhizome creeping. 



Var. iniiiida (v. A. v. R., l.c, 203): Like tlie type but 

 tlie btipe and l'acliises noii-setigerous, smooth, only pubescent 

 along the upper side. 



^ i)i\vo|)leri< lasHlikaieii^^is. r.A.r.it, 



Nephrodiiim. — Rhizoma breviter repens. Stipites approxiraati, 

 ca 35—40 cm. longi, cum i-achide dense minuteque pubescentes, 

 demum plus minusve glabrescentes, pinnis abrupte reductis, remotis, 

 auricuhformibus muniti. Frondes (auriculis exceptis) ca 25 — 35 

 cm longae. Pinnae infra pinnam terminalem ca 1-3 utrinque, 

 coriaceae, supra copiose appresso-pilosae, subtus ad venas dense 

 minuteque pubescentes, inter venas pilis minutissimis et glandulis 

 minutis, subglobosis, flavidis munitae ; pinna terminalis lanceolata, 

 ca 16-20 cm longa et 6-9 cm lata, frondis sterilis quam 

 frondis fertilis major, subabrupte caudato-acuminata, integerrima 

 vel grosse crenata, basi rotundato-cuneata; pinnae latérales pinna 

 terminali simiies sed paullo minores, remotae, sessiles; venae 

 utrinque ca 15 — 20seriales, fere omnes anastomosantes; areolae 

 saepe fere rectangulares. Sori ad venas terminales, denuirn bini 

 confluentes; indusium ciliatum, minutissinuun vel rudun^'iitare. 



Near D. moulmeinensis C. Ohr. but the pinnae propoilionally 

 shorter and bruader, copiously shoi t hairy, and the stipes provided 

 with many suddenly much reduced pinnae. 



Sumatra [Moinit Tandikat, C G. Matthew No. ()35). 



? ilryopl^'i'iî^ iri<l<')«i<*eiis. r. A, r. Ki. 



Nephrodium.—Rhïzom-à brève, erectum vel ascendeiis; squa- 

 raae lanceolatae, fuscae. pilosiusculae. Stipites approximati, ca 20- 

 25 cm longi, sursum dense pubescentes, deorsum glabrescentes. 

 Frondes ovatooblongae vel triangulari-oblongae, ca 15-20 cm 

 longae, 10—12 cm lata,e, abrupte acuminatae: i-achis ])iil)escens. 

 Pnmae approximatae, infra lùnnam t(M-minalem ca (> utrinque, 

 coriaceo-herbaceae, supra copiose appresso-pilosae et in sicco inter 

 costulas (main veins) striis pallide iridesceiitibus ornatae. subtus 

 verruculosae et glandulis minutis flavidis globosis copiose munitae, 

 ad venas pubescentes: pinna tcrminalis et i-innae inferiores grosse 

 crenatae vel lobato-crenatae, apice acuminato integerrimae; pinnae 



