208 103. SELAGINELLA. A 2 . PLEIOSTELICAE. 



sulcate, with the lower axillary leaves rather small, roundish, broadest 

 at the middle, subpetiolulate, bluntly short-acuminate, entire; pinnae sub- 

 erect, lanceolate, to 18 cm. long and 5 cm. broad; pinnulae suberect, 

 close, the largest to 6 cm. long, forked or sparingly pinnate, the terminal 

 ones often caudate-elongate; ultimate branchlets 1 3 on a side, 1V 2 

 cm. long or the terminal ones caudate-elongate, 3 5 mm. broad including 

 the lateral leaves. Leaves heteromorphous, entire; lateral leaves various 

 in size; of the main rachis small, remote, erecto-patent, obliquely subovate- 

 lanceolate, bluntly short-acuminate; of the secondary rachises sub- 

 approximate, the lower subhorizontal, ovate-oblong, subfalcate, acuminate, 

 obliquely cordate-truncate at the base, the upper side plicate at the base, 

 often broadly rotundate-cuneate in the lower half, the largest leaves 4 

 mm. long, V as broad; of the ultimate branchlets close or somewhat 

 imbricate, the upper side narrowly pellucid-margined, rotundate-cuneate 

 in the lower half, the largest leaves 3 mm. long, Va as broad; intermedial 

 leaves erect; of the main rachis remote, triangular-ovate, acute; of the 

 secondary rachises obliquely oblong, shortly mucronulate-acuminate, the 

 base obliquely adnate, the inner side slightly rounded, the outer side 

 rounded, rather cuneate at the base, the largest leaves 2 mm. long; of 

 the branchlets very small, distinctly pellucid-margined. Spikes solitary, 

 to 2 cm. long, I 1 2 mm. diam.; sporophylla broadly triangular-ovate, 

 slightly acuminate, entire, pellucid-margined, keeled, at length subhori- 

 zontal, the largest IV* mm. long; macrospores yellowish-white, densely 

 finely verruculose; microspores yellowish-white, densely irregularly ver- 

 rucose, the projections free, or connected and crest-like. 

 Celebes. 



(178) S. viridangiila. V'.</. Bk., Fern All., 92. 



Shoots suberect, sarmentose, 90 120 cm. long, the stem 3-stelical; 

 pinnae deltoid, reaching 30 cm. in length, erecto-patent; pinnulae to 10 on 

 a side, the lower dichotomous or pinnately compound, the others forked; 

 ultimate branchlets usually l l /42 1 /* cm. long, 5 8 mm. broad including the 

 lateral leaves. Lateral leaves lanceolate-falcate, acute, entire, moderately 

 firm in texture, the upper base rounded or rotundate-cuneate, the lower 

 base broadly adnate, with a short, rounded, free angle; of the secondary 

 rachises much spaced, 6 mm. long; of the ultimate branchlets contiguous 

 or nearly so, 3 5V< mm. long; intermedial leaves very small, oblong, 

 with a distinct cusp, obliquely adnate at the base. Spikes 1 4 8 cm. 



