﻿78. ELAPHOGLOSSUM. § 1. ACONIOPTERIS. 715 



7 — 15 c.M. long, 1^2 — 4 c.M. broad, oblong-lanceolate, narrowed towards both 

 ends, but more gradually into the stipe, the point acute, the margin entire or 

 slightly repand, thickened, diaphanous. Texture rigid; both surfaces (especial- 

 ly the lower) clothed with scattered, minute, deciduous, brownish, lanceolate- 

 subulate or stellate-fimbriate scales; veins fine, hardly visible, often forked. 

 Fertile fronds narrower, thinner, subrepand. 



Luzon, Celebes, Java; Ceylon, South. India, Mascarenes, Tristan d'Acunha. 



% ± EU-ELAPHOGLOSSUM. 



£. Under surface of the fronds naked or nearly so. 



3. Fronds small, under iO c.M. long. (8) E. microphyllum. 



3.2. Fully developed fronds larger, more than iO c.M. long. 



3. Stipes of barren fronds wanting or very short, under 3 c.M. long. 



(9) E. melanosticticum. 

 3.3. Stipes of barren fronds distinct, 7 — id c.M. long. (10) E, Lessonii. 

 l.£. Under surface of the fronds rather densely tomentose or scaly. 



a. Barren fronds suddenly narrowed at the base. Under surface scaly. 



(11) E. miniatum. 

 a.a. Barren fronds gradually narrowed at the base. 



h. Barren fronds clothed beneath with stellate hairs. 



(12) E. petiolatum. 

 h.h. Barren fronds clothed beneath with ciliate or fimbriate scales. 



c. Barren fronds densely scaly above. (13) E. hirtum. 



C.C. Barren fronds sparingly scaly above. (14) E. Copelandi. 



« (8) E. mierophyllum, «. A. ». k.. Bull. Dep. Agr. I. N., i908, 

 XVIII, 25. 



Rhizome slender, creeping, blackish, the scales linear-lanceolate, brown, 

 entire. Stipes distant, % — 4 c.M. apart, slender, 1 — 2*4 c.M. long. Sterile 

 fronds lanceolate, entire, 5 — 6 c.M. long, l'/2~^ c.M. broad, shortly acumi- 

 nate but the point bluntish, the base narrowed gradually into the stipe. Tex- 

 ture herbaceous, firm; surfaces naked; veins not close, simple or once or 

 more times forked, not quite reaching the unaltered margin. Fertile fronds 

 shorter, narrower, the edge subentire, the base narrowed more suddenly and 



