_ 99 _ 



Near S. caulescens Sprlng but differring from it in having the 

 branchings loose, less copious, the leaves relatively short and 

 broad with the midribs veiy thick and fllling up nearly the whole 

 space between the spurious veinlets, and the spikes elongated. 



Luzon [Nueva Viscaya, Merrill No. 251). 



^eEsiiK'iiiella siinriiiieof«<i. v,A.r,ii, 



Heteroj^hyllum, Mnnostelicae, a.'^ Gaulescentes. — Suffrutex erectus, 

 ca 35 — 40 cm. altus, basi breviter repens, parte inferiore simplex, 

 l-stelicLis, firmus, lignosus, ca 2 — 3 mm. crassus, obtuse 4 — 5- 

 angulosus, parte superiore ramosus; pinnae suberectae, inferiores 

 2 — 3-pinnatae, ramulis ultimis confertis, conspicue ascendentibus, 

 5 — 30 mm. longis, foliis latei'alibus inclusis ca 31/2 — ■i^/s ™^^^- latis. 

 Folia caulina isomorpha, erecta, appressa, triangulari-oblonga, acuta 

 vel acuminata, integerrima, carinata, basi late-adnata, angulis liberis 

 anguste rotundatis, truncatis vel cordatis et denticulatis vel ciliolatis; 

 folia partis ramosae heteromorpha ; folia lateralia contigua. ascen- 

 dentia, lanceolato-oblonga, supra obscura, subtus pallida, subfalcata, 

 firma, superiora plus minus imbricata, obtusiuscula, apice obsolète 

 denticulata, margine superiore basin versus minutissime denticulata 

 margine inferiore integerrima, basi superiore rotundata, basi infe- 

 riore anguste truncata, rotundata vel rotundato-cuneata, parce 

 ciliolata; folia lateralia superiora maxiraa ca 3 mm. longa, ca 1 mm. 

 lata, latere superiore basin versus paullo dilatata ; folia intermedia 

 imbricata, erecta, parallela, vix incurvato-falcata, ovato-oblonga, 

 maxima ca 2 mm. longa, brevi-acuminata subacuta, carinata, 

 integerrima vei obsolète denticulata, basi interiorerotundato-cuneata? 

 basi exteriore non vel vix producta, cordata, parce ciliolata. Spicae 

 usque ad 2 cm. loncae, quadrangnlares, ca 2 — 21/0 mm. crassae; 

 sporophylla triangulari-ovata, imbricata, erecto-patentia, demum 

 subpatentia, acuta, integerrima vel obsolète denticulata: macrosporae 

 flavido-albae, laeves vel irregulariter rugulosae, glabrae vel pulvé- 

 rulentes, cristis apicalibus coronnla cinctis ; microsporae coacervatim 

 accumulatae tlavidae vel pallide aurantiacae, gibbis subcylindricis 

 vel breviter stipitato-capitatis ornatae. 



Probably near S. pentagona Spring. 



Java [Moimt Salak, Ploem), Netv Giiinea [Mysole Waigama, 

 Teysmann). 



