103. SELAGINELLA. A'. MONOSTELICAE. a 5 . CAULESCENTES. 143 



long; those of the upper plane 1V 4 mm. long. Spikes 10 15 mm. long, 

 square, IVa mm. diam., glittering; sporophylla ovate, r/4 mm. long, acute, 

 keeled; macrospores white, ruguloso-reticulate on the basal half, with the 

 apical ribs surrounded by a ring-like crest; microspores capitato-verruculose 

 on the basal half. 

 Luzon. 



(97) S. peittagona, Spring, Mon., II, 150; Bk., Fern AIL, 96. 

 Shoots ascending, 30 45 cm. long, sometimes lengthened, nutant 



and taking root at the apex, the lower part simple, firm, woody, 1V 2 2 

 mm. thick, unequally 4 5-angular, the upper part pinnately compound; 

 pinnae suberect, the lower 2 3-pinnate; ultimate branchlets crowded, 

 erect, 6 25 mm. long, 3 4'A mm. broad including the lateral leaves. 

 Leaves of the stem isomorphous, erected, distant, lanceolate-oblong, sub- 

 2-auriculate, entire; leaves of the main rachis and branches heteromorphous; 

 leaves of the lower plane contiguous, ascending, lanceolate-ovate, falcate, 2 4 

 mm. long, 2 /3 as broad, acute, entire or very minutely denticulate, rounded 

 on the upper side at the base, the lower base very slightly auricled; of 

 the principal rachises the largest; leaves of the upper plane 'A Vs as 

 long, lanceolate-oblong, acute, rather keeled, pellucid-margined, mostly 

 entire, somewhat produced on the outer side at the base; of the main 

 rachis rotundate-cordate ; of the branchlets rotundate-cuneate at the base. 

 Spikes short, square, I'A 2 mm. diam.; sporophylla ovate-lanceolate, 

 acute, keeled, minutely denticulate, pale-margined; macrospores white or 

 yellowish, tuberculate or verruculose; microspores dirty-yellow or minium- 

 red, minutely tuberculato-verruculose. 

 Celebes (? t. Christ); Br. India. 



(98) S. suflTriilicosa. r. A. t% JR., Bull. Btz., 1911, I, 22. 

 Shoots erect from a short-creeping base, 35 40 cm. long, the lower 



part simple, firm, woody, 2 3 mm. thick, obtusely 4 5-angular, the 

 upper part pinnately compound; pinnae suberect, the lower 2 3-pinnate; 

 ultimate branchlets crowded, conspicuously ascending, 5 30 mm. long, 

 3V 2 4Va mm. broad including the lateral leaves. Leaves of the stipe 

 isomorphous, erected, adpressed, triangular-oblong, acute or acuminate, 

 entire, keeled, broadly adnate at the base, the free corners varying from 

 narrowly rounded to truncate or cordate, entire, denticulate or shortly 

 ciliate; leaves of the main rachis and branches heteromorphous; leaves of 



