103. 8ELAGINELLA. A 2 . PLEIOSTELICAE. 203 



subfalcate, the largest 4 mm. long, 1 mm. broad, bluntish or subacute, 

 entire, the upper base rotundate-cuneate, the lower base broadly adnate, 

 decurrent; intermedial leaves erect; of the stem remote, narrowly lan- 

 ceolate, the largest 5 mm. long, long-cuspidate-acuminate, entire, the base 

 truncate-rotundate, not produced on the outer side; of the branchlets 

 nearly similar but smaller, imbricate, the base obliquely cuneate, produced 

 and decurrent on the outer side. Spikes 2 3 mm. diam.; sporophylla 

 ovate, acuminate, entire, keeled, at length spreading, the largest to 2 mm. 

 long; macrospores whitish or pale-yellow-brown, densely verrucose; micro- 

 spores yellowish-white, provided with reticulated, broad, wing-like crests. 

 Borneo. 



(171) S. ilayeri, uu-ro-u.. in Engl & Prantl., Nat. Pfl.Fam., I 4 , 700. 

 Shoots wide-trailing, pinnately decompound from the base, the stem 



3-stelical, subterete or somewhat flattened on the dorsal and ventral 

 sides, laterally grooved, the main rachis 8 mm. broad including the lateral 

 leaves, with the lower axillary leaves nearly orbicular, broadest at the 

 middle; branchlets few (14 on a side), mostly simple, 5 mm. broad. 

 Leaves heteromorphous, entire; lateral leaves spreading; of the main 

 rachis remote, obliquely short-oblong, blunt, pellucid-margined, the upper 

 base rounded or rotundate-cuneate, the lower base cordate-truncate, the 

 largest leaves 4 mm. long, 3 mm. broad; of the ultimate branchlets sub- 

 approximate, elongate-oblong, bluntly short-acuminate, the lower base 

 truncate-cuneate, the largest leaves 2V 2 mm. long, 1 mm. broad; inter- 

 medial leaves erect; of the main rachis subfalcate-oblong, remote, nearly 

 bluntly short-acuminate, pellucid-margined, the inner base narrowly 

 rotundate-cordate, the outer base much produced with a broad, rounded, 

 hamate-incurvate auricle; of the branchlets imbricate, subfalcate-obovate, 

 the acumen proportionally longer, the base very obliquely adnate, narrowly 

 cuneate on the inner side, rotundate-cordate and much produced on the 

 outer side. Spikes 2 mm. diam ; sporophylla triangular-ovate, acute, 

 entire, pellucid-margined; macrospores yellowish- white, foveolate-reticulate 

 on the basal side; microspores provided with reticulated wing-like crests. 

 Singapore. 



(172) S. axillifoliti. r. A. t% K., Bull. Btz., 1913, XI, 37; var. 

 retroflexa, v. A. v. R., 1. c., 38. 



Shoots ascending or erect, pinnate down to the base or simple in 



