474 103. SELAGINELLA. A'. MONOSTELICAE. 



dorsal, to 2 mm. long, at length spreading; macrospores probably 



reticulate or rugulose, when young pale-yellow-brown, at length ; 



microspores 



Java. . --. - 



(20a) S. lebon^tandalaua, v. 4-- v. m-t la Bull. Btz., 1916, 

 XXIII, 23. 



Shoots trailing, more or less flexuose,; the main stem 6 — 9 mm. 

 broad including the lateral leaves; pinnae ascending, the higher short, 

 sparingly pinnate, the lower elongated, with the lower, pnftulae -forked 

 or sparingly pinnate; ultimate branchlets to ± l\ cm. long by 3—5 

 mm; broad at tiie base^ nai'rowed towards the apex. Laaves heteromorpjious ; 

 leaves of the lower plane horizontal on the main stem, spreading' on the 

 .braaachlets; of the main stem somewjiat remote, obliquely suboyate, 

 yneq,ual-sided, broadest on the upper side, .bluntish, moderately pale 

 beneath, the upper side more or less obsoletely denticulate towards the 

 ..apex, entire or sparingly serrulate at the middle, minutely serrulate 

 .towards the rounded base, narrowly pellucid-margined at least .in , the 

 ■ lower half, the lower side entii-e, or obsoletely denticulate towards, the 

 apex, rotundate^cuneate at the base, the largest leaves ,3 — 472 ™.h^ .lo.ng, 

 to 2 mm. broad; of the branchlets smaller, to 8 mm. long, contiguo.us 

 or approximate, less unequal-sided, blunt, obliquely rotundate-cuneate at 

 the base, more distinctly pellucid-margined on the upper side; leaves of 

 the upper plane erect, broadly falcate-oblong or subobovate, unequal-sided, 

 .abruptly cuspidate, minutely serrulate on both sides but less copiously on the 

 , outer side, the outer base much produced with a straight, rounded 

 .auricle, the inner base rotundate-cuneate, the cusp + %—^ii as long 

 as the blade ; of the main stem the largest, + 3 mm. long, conti.guous ; 

 ..of the branchlets imbricated. Spikes terminal and mostly solitary on the 

 .branchlets, 1 '/j— ^3 mm. diam. ; sporophylla erect, at length spreading, 

 .O-vate, acarojnate, .minutely serrulate, keeled, to 1'/, mm. long; macrospores 

 whitish or yellowish-white, reticulate, the areolae large, the apical ribs 

 .encircled by a ring-shaped crest; microspores yellowish, provided with 

 .long-stalked, Cc^pitate or subclavate projections on the basal side. 



Sumatra. 



. ' :. .(23) l§. «tHiiati*aiia, Miemtn. 4' t>. A. K, H- 



■■■'-' .Leaves of the upper plane ,ciliolate. 



■■MifBm^iiiMMnnniiniTnnm^ 



