103. SELAGINELLA. A'. MONOSTELICAE. a'. CAULESCENTES. 135 



at the base; leaves of the branched portion heteromorphous, firm; lateral 

 leaves somewhat ascending; of the main rachis moderately remote, broadly 

 cordate-ovate, acuminate, pellucid-margined and minutely denticulate on 

 the upper side, 2V2— 3 mm. long, 2 — 2V2 mm. broad; of the branchlets 

 similar, imbricate, rather triangular, hardly falcate, rather equal-sided, 

 rounded to truncate on the upper side at the base, rounded to cordate 

 on the lov?er side, 1 — IV2 mm. long, Vt — 1 mm. broad; intermedial 

 leaves erect, adpressed; of the main rachis similar to those of the 

 stipe, parallel, nearly straight, keeled tov?ards the apex, acuminate, 

 distinctly and obliquely cordate at the base which is somewhat produced 

 on the outer side, the largest 2 — 2V2 mm. long; of the branchlets close, 

 broadly rhomboidal-oblong, acuminate, more or less denticulate-ciliolate, 

 keeled towards the apex, rotundate-cuneate on the inner side at the base, 

 cordate and somewhat produced on the outer side, the largest to V4 mm. 

 long and V2 mm. broad. Spikes "A — 6 cm. long, IVi — 2 mm. diam. ; 

 sporophylla ascending, broadly ovate, acute or acuminate, keeled, minutely 

 denticulate, to 2 mm. long; macro- and microspores as in S. caulescens 

 Spring. 



Luzon, Mindanao. 



(86) S. caudispica, r. A. e, n., Bull. Btz., 1918, XI, 35. 



Shoots erect from a creeping base, 30—40 cm. long, the lower part 

 simple, stramineous, terete or subterete, the upper part pinnate, ovate in 

 outline ; pinnae ascending, the higher simple or forked, the lower pinnate, 

 oblong, 4 — 10 cm. long and 2 — 5 cm. broad; pinnulae close, ascending, 

 simple or forked, or the lower subpinnate (3-furcate); branchlets ',2 — 4 

 cm. long, 2V2 — 4 mm. broad including the lateral leaves. Leaves of the 

 stem isomorphous, remote, erect, small, adpressed, ovate, acute, cordate 

 or semicordate at the base; leaves of the branches heteromorphous; 

 lateral leaves imbricate, subspreading, thick, subfalcate-oblong, acute, 

 spuriously nerved, with the upper side minutely denticulate in the lower 

 part, somewhat dilated and rotundate-cordate at the base, the lower side 

 entire, rotundate-cuneate at the base ; of the branchlets to 2 mm. long 

 and nearly 1 mm. broad; of the secondary rachises relatively broader; 

 intermedial leaves imbricate, erect, subparallel, acuminate, rather keeled, 

 subentire or minutely denticulate, with the inner base rotundate-cuneate, 

 the outer base rather produced, more or less auriculate-cordate, sparingly 

 ciliolate-denticulate. Spikes square, very long, 6 — 15 cm. long, IVj — 2 



