103. SELAGINELLA. A 1 . MOXOSTELICAE. a 4 . ASCENDENTES. 113 



rumples on the basal side, not rarely intermixed with verruciform 

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

 yellowish or pale-orange, provided with bacilliform or stipitate-capitate 

 projections on the basal side. 



Var. subpeilalis: Shoots shorter, 2025 cm. long, erect from 

 a wide-creeping base, the stipe slender, 1V mm. thick; lateral leaves of 

 the branchlets more acute; intermedial leaves longer cuspidate, those of 

 the main rachis copiously denticulate. 



Borneo. 



(59) S. ascendcns, . A. tv H., Bull. Btz., 1913, XI, 33. 



Shoots erect from a creeping base, 20 30 cm. or more long, short- 

 stalked or branched down quite to the base, the stem terete, sulcate, 

 1 l -i 2 mm. thick, the main rachis flexuose, the branching between 

 pinnate and dichotomous; pinnae ascending, alternate, dichotomous or 

 subpinnate with a few simple or forked pinnulae, or the lower pinnae 

 simple or forked, the secondary rachises 9 12 mm. broad including the 

 lateral leaves; ultimate branchlets 1 3Va cm. long, 6 10 mm. broad, or 

 shorter and narrower, the longest the broadest. Leaves heteromorphous ; 

 leaves of the lower plane linear-oblong, rather falcate, nearly equal-sided, 

 acute or subacute, the upper side pellucid-margined and minutely serrulate, 

 rounded or broadly rotundate-cuneate at the base, the lower side pellucid- 

 margined and entire, rotundate-cordate or rotundate-truncate at the base, 

 the midrib fine ; of the stem subapproximate, horizontal ; of the branchlets 

 spreading or more ascending, to 5 mm. long and 2 mm. broad; leaves 

 of the upper plane erect, incurvate-oblong, cuspidate, minutely serrulate 

 but the inner side entire in the lower half, the inner base rotundate- 

 cuneate, the outer base cordate-auriculate, the auricle hamate-incurvate ; 

 of the stem close or remote ; of the ultimate branchlets imbricate, to 3 

 mm. long, with the cusp V Vz as long as the blade. Spikes square, 

 1 3Va cm. long, to 2V mm. diam., solitary or 2 4-nate; sporophylla 

 ovate, acuminate, at length subspreading, to 1 Va mm. long, keeled, minutely 

 serrulate; macrospores whitish, mostly 2 in a macrosporangium, finely 

 rugulose, the apex without radiating ribs, encircled by a crown-like crest; 

 microspores probably wanting. 



Borneo. 



(60) S. Hosei. Hieron., Hedwi., LI, 245. 



Shoots erect, the lower part simple, olivaceous, subterete or obscurely 

 FERN ALLIES. 8 



