- 21 - 

 Java [Mount Bangkok, Scheffer No. 61). 

 NeBafiiiieila cuHile!*eeii«i. ^^pi'itnf. Mon. Lycop., II, 



158; S. involvem, Hier., Heclwi., L, 2. 



Heterophylluni, Monostelicae, a-^ Caulescentes. - l'his vvidely 

 distributed species seems to be very variable. The spécimens 

 occurring in the Buitenzorg Herbarium belong to différent forms 

 with the leaves of the upper plane varying from narrowly lan- 

 ceolate to ovate, straight to incurvato-falcate, parallel to subdiva- 

 ricating. 



fïieiattiiiclia .^lerriiSii. t\ A, r\ ii. 



Heterophijllum, Monostelicae, a^ Caulescentes. — Cmlea erecti, 

 parte superiore pinnati, in circnitu lanceolato-ovati, ca 30 — 35 cm. 

 longi, prope basin ca 15 cm. lati, parte inferiore simplices, 1-stelici; 

 pinnae ascendentes, laxae. superiores simplices vel fnrcatae, infe- 

 riores pinnatae, in circuitu lineares, usqne ad 15 cm. longae, basi 

 ca 4 cm. latae: pinnulae laxae, ascendentes, simplices vel fnrcatae 

 vel maximae laxe pinnatae ramulis 1—2 ntrinque; ramuli nltimi 

 ca 5 — 20 mm. longi, foliis lateralibns inclusis ca 2V2 — 3 mm. lati. 

 Folia partis ramosae dimorpha. Arma; folia lateralia ascendentia, 

 lateralia rachidis primariae modice remota, late cordato-ovata, 

 ca 3 mm. longa, 2-21/2 mm. lata, acuminata, subtus spuriose 

 venulosa, valide costata, margine superiore minute denticulata; 

 folia lateralia ramulorum foliis lateralibns rachidis primariae similia, 

 imbricata, fere triangnlari-ovata, vix falcata, fere aeqnilatera, 

 maxima ca IV2 i^^i^^- ^^"ê'^' ^^ ^ "^"^- ^^^^' basi superiore truncata, 

 inferiore cordata; folia int^rmedia erecta, appressa, intermedia 

 rachidis primariae foliis lateralibns rachidis similia, parallela, fere 

 recta, maxima ca 21/2 ^'t^^- longa, apicem versus carinata. acumi- 

 nata, basi profunde et oblique cordata, basi exteriore paullo producta; 

 folia intermedia ramulorum ultimorum contigua, late rhcmboideo- 

 ovata, subrecta, parallela, maxima ca 3/^ mm longa et 1/2 ™ni lata, 

 acuminata, apicem versus carinata, margine plus minusve minute 

 ciliolato-denticulata, basi inferiore rotundato-cuneata, exteriore 

 paullo producta, cordata. Spicae elongatae, ca 3-6 cm. longae, 

 quadrangulares, ca 2 mm. crassae; sporophylla ascendentia, late 

 ovata, acuminata, carinata, minute denticulata; macrosporae et 

 microsporae more S. caulescentis. 



