112 103. SELAGINELLA. A 1 . MONOSTELICAE. a 4 . ASCENDENTES. 



cuneate, the outer base cordate. Spikes short, square, 1 1V4 mm. diam. ; 

 sporophylla ovate-oblong, keeled, 1 VU mm. long, acuminate, minutely 

 serrulate in the lower part ; macrospores whitish, verruculose to irregularly 

 rugulose, the apical ribs encircled by a ring-shaped crest; microspores 

 yellowish, provided with stipitate-capitate projections on the basal side. 

 Borneo. 



(58) S. Paxii, Jfferon., in Engl. Bot. Jahrb., XLIV, 512; var. 

 subpedalis, v. A. v. R., Bull. Btz., 1913, XI, 30. 



Shoots erect, 25 50 cm. long, the lower part simple, stipitiform, 

 2 3 mm. thick, the upper part decompound, the main rachis 9 mm. 

 broad including the lateral leaves; pinnae pinnate, the lower ovate or 

 lanceolate; pinnulae crowded, ovate-lanceolate or ovate-oblong, cuneate at 

 the base, the lower and central pinnate; ultimate branchlets 5 25 mm. 

 long, 2 4 mm. broad. Leaves heteromorphous ; leaves of the lower plane 

 suberect on the stipe, spreading on the main rachis, more ascending on 

 the branchlets ; of the stipe very unequal-sided, obliquely subfalcate-ovate, 

 acute or shortly acuminate, hardly spuriously veined, the upper side 

 minutely denticulate, inconspicuously pellucid-margined, cordate-auriculate 

 at the base, the lower side entire, very minutely denticulate at the 

 rotundate-truncate base, the largest leaves 3 mm. long and 1 mm. broad ; 

 of the main rachis close, to 5 mm. long, relatively narrower; of the 

 branches narrower, somewhat unequal-sided, obliquely subfalcate-ovate or 

 ovate-oblong, subacute, spuriously nerved near the midrib, the upper side 

 minutely piloso-denticulate, pellucid-margined at least in the lower half, 

 the lower side entire or indistinctly denticulate ; of the branchlets sub- 

 equilateral, IVz 2V 2 mm. long, often cuneate on the upper side at the 

 base; leaves of the upper plane erect; of the stem ovate or obovate, 

 subaristate-acuminate, pellucid-margined, very minutely denticulate or 

 rather entire, indistinctly keeled, rounded on the inner side at the base, 

 auriculate-cordate on the outer side at the base, the auricle hamate- 

 incurvate, the largest leaves 3 4 mm. long; of the branches smaller, 

 broadly ovate, mostly entire, cuspidate, the base obliquely cordate or 

 semicordate, produced on the outer side, the cusp Vs V as long as the 

 blade; of the ultimate branchlets 1 mm. long. Spikes single or double, 

 5 20 mm. long, 1 V* 2 mm. diam. ; sporophylla ovate, shortly acuminate, 

 keeled, piloso-denticulate, pellucid-margined, the largest 1V mm. long; 

 macrospores yellowish or whitish, provided with flexuose or reticulate 



