232 Bul letin Jard. Bot, buitenzorq, Série 111, Vol. V, Livr. 3. 



semifacie superiore apicem versus iiitegerrima vel obsoletissime denticulata, 

 ceterum minute serrulata, basi rotuiidato-cuiieata, semifacie iiiferiore integer- 

 rima, basi subcordato-rotundata, lateralia maxima 6' ., mm. loiiga, 2 mm. 

 lata ; lateralia pinnarum sensim minora; lateralia ramulorum ultimorum 

 approximata, patentia, usque 4 mm. longa, 1 mm. lata, basi anteriore auguste 

 rotundato-cuneata, basi posteriore rotuiidata; folia intermedia erecta; semi- 

 cordato-ovata vel -oblonga, longe cuspidata; intermedia caulina remota, 

 semifacie interiore obsolète vel minutissime denticulata, basi subcordato- 

 rotundata, semifacie exteriore integerrima, basi producta, late auriculata, 

 auricula rotundata, distinctius hamato-incurvata, intermedia maxima 3' 2 — 3^/4 

 mm. longa, cuspide fere 2/3 longitudinis laminae metiente; intermedia pinnarum 

 sensim minora; intermedia ramulorum imbricata, semifacie interiore infra 

 cuspidem parcissime minutissimeque serrulata, basi auguste rotundata, semi- 

 facie exteriore basi rotundato-auriculaia, auricula non incurvata, cuspide 

 + ^U longitudinis laminae metiente. Spicae in ramulos ultimos terminales 

 vel interdum axillares. solitariae vel raro 2- 3-nae, 1 '/4 (postremo 2'/2) mrn- 

 crassae ; sporophylla ovata, acuminata, minute serrulata, carinata ; macrosporae 

 in macrosporangiis 2, eburneae vel pallide flavidae, copiose, graciliter sub- 

 reticulato-rugulosae, apice depresso-convexo, ecostato, rugula gracili, gnnuli- 

 formi cincto; microsporae probabiliter desunt. 



Belongs to the affinity of 5. Grabowskyi Warb. 



Lingga Archipelago: Poeloe Singkep, near Dabo, in forest, 

 ait. 40 m. (H.A. B. BiiNNEMElJER No. 7252, 4 August 1919). 



Selaginella ceratocaulos V. A. V. R., Bull. Btz. XVI (1914), 41; Mal. 

 Fern Ail.. 238. 



Forma kangeanensis: Lower part of the stem and lovver leaves not 

 reddisli ; largest latéral and intermedial leaves more distinctly and more 

 copiously ciliate on both sides at the base, the largest latéral ones more 

 broadly rounded, slightly cordate at the upper base and more broadly 

 rotundate-cuneate at the lower base; latéral leaves of the ultimate branch- 

 lets to 2^/4 mm. long; macrospores yellovi'ish-white, pulvérulent, glabrescent, 

 at length smooth. 



Kangean Island: M t. Eteng, Tambajangan, on lime-stone 

 rocks, in forest, ait. 200 m. (C. A. Backer No. 27961, 5 April 1919). 



Selaginella palembanica V. A. V. R , Bull. Btz. XXVlll (1918), 48. 



Var. subtrinervia : Varietas dimensionibus paullo majoribus. Rhachis 

 primaria usque 9 mm. lata; ramuli ultimi usque 5 mm. lati. Folia lateralia 

 venula spuria marginali cincta, omnia (i. e. foliis rhachidis primariae in<;lusis) 

 utrinque inter costam et venulam spuriam marginalem venula spuria + 

 mediana munita. Microsporae adultae gibbis apice saepe capitato-incrassatis. 



Sumatra: Deli, Bandar-baroe, on dry ground at foot of rock 

 in primeval forest, ah 850 m. (J. A. LoRZING No. 6868, 7 October 1919). 



