- 55 — 



erecta; intermedia cauiina remota, oblonga, 4: 3'/2 mm. longa, apice obtusa 

 et breviter mucronata, basi interiore minute auriculata, auricula subacuta, 

 dentiformi, basi exleriore producta, conspicue auriculato-cordata, auricula 

 hamato-incurvata ; intermedia ramulorum minora, imbricata, acuminata, 

 semifacie interiore subrecta, basi angustata, semifacie exteriore rotundata, 

 basi rotundata vel subauriculato-cordata. Spicae solitariae, tetragonae, usque 

 ad 2V2 cm. longae, 2—3 mm. crassae ; sporophylla triangulari-ovata, + 2 mm. 

 longa, subacuminata, integerrima vel obsolete denticulata, pellucido-marginata, 

 carinata; macrosporae nigro-fuscae, plus minusve albido-pruinosae, partim 

 verruculosae, partim gibbis rugiformibus, flexuosis vel ramulosis ornatae ; mi- 

 crosporae albidae vel pallide aurantiacae,cristisalaeformibus,reticulatis munitae. 



Pinnae sometimes elongated and growing out to new shoots. — Very 

 nearly allied to S. Schildei Hieron. 



Sumatra (Singkara, Teysmann No. 2297). 



Selaginella deliana, v. A. v. R., Mai. Ferns & All., Suppl. 1, Corr., 71. 



Heterophyllum, Pleiostelicae. — Caiûes (ex sched.) erecti et 70—150 

 cm. alti, parte inferiore probabiliter simplices, parte superiore 4-pinnati, 

 in circuitu ovati, rachide primaria 7 — 9-stelica, parce foliata, in sicco fusca 

 et irregulariter sulcata, foliis axillaribus inferioribus deltoideis, quam longis 

 paullo latioribus, angulis obtuse rotundatis; pinnae ascendentes, usque ad 

 20 cm. vel plus longae, maximae laceolato-ovatae vel elongato-triangulares, 

 rachide foliis lateralibus inclusis + 7 mm. lata; pinnulae clausae, inferiores 

 patentes, pinnulis secundariis furcatis vel parce pinnatis; ramuli Ultimi 



1 — 2'/2 cm. longi, 4—7 mm. lati, apicem versus angustati. Folia integerrima ; 

 folia rachidis primariae subisomorpha, remota, subfalcato-ovato-oblonga, 

 obtusa, basi rotundata; folia ramorum heterompha; folia lateralia pafentia; 

 lateralia rachiduni secundariarum subremota, subfalcato-ovato-oblonga, 

 obtusa, sem.ifacie superiore anguste pellucido-marginata, basi superiore 

 rotundata, basi inferiore subcordato-truncata, folia maxima + 4'/2 mm. longa, 



2 mm. lata; lateralia rachidum tertiarium subsimilia, paullo minora, basi 

 superiore subauriculato-plicata ; lateralia ramulorum ultimorum usque ad 3'/2 

 mm. longa et I'/j mm. lata, utrinque anguste pellucido-marginata, basi 

 superiore non vel vix plicata; folia intermedia erecta, pellucido-marginata; 

 intermedia rachidum secundariarum paullo remota, oblique subfalcato-ovato- 

 oblonga, obtusa, basi interiore angustata, basi exteriore producta, rotundato- 

 cuneata vel subrotundata, folia maxima i 3 mm. longa; intermedia ramulorum 

 imbricata, minora, obtuse et breviter acuminata, basi oblique et late adnata, 

 basi exteriore rotundato-cuneata vel cuneata. Spicae ad ramulos solitariae et 

 terminales, usque ad I'/a cm longae, 1 — 1 '/2 'nm- crassae ; sporophylla late 

 deltoideo-ovata,breviter et obtuse acuminata, integerrima, carinata, macrosporan- 

 giorum + l'/2 mm. longa, cetera minora; macrosporae pallide ochraceae, latere 



