- 118 — 



Species S. conferto Lac. simillima, sed foliis nervo dorso dense acu- 

 leato optime diversa. 



Jungle near Klong Munsé, on trees. 



16. S. spiciilosus Hook. et Grev. in Brewst. Edinb. Journ. of Sc. Ill, 

 p. 226. 



Jungle near Lem Dan, on trees. 



Area: Singapore, Sumatra, Banca, Labuan and Borneo. 



Calymperes Sw. 



A. Gancellinae rectangulares. — Aa. Teniolae ultra vaginam productae. 



— Aa«. Folia acuta: C. acuminatum. — Aa/?. Folia obtusa — Aa/9I. Folia 

 lamellata: C. robustiusculum. — Aa/?1I. Folia elamellata : C.brachycaulon. 



— Ab. Teniolae nullae. — Ab #. Folia obtusa : C. Schmidtii. — Ab ß. Folia 

 late rotundato-acuminata : C. subtenerum. — It. Cancellinae obovatae: C. 

 gracilescens. — €. Cancellinae scalariformes : C. subintegrum. 



17. C. (Ilyophilina) robustiusculum Broth, n. sp. 



Dioicum; robustiusculum, caespitosum, caespitibus densis, fus- 

 cescenti-viridibus; caul i s 1 — 2 cm. altus, erectus, tomentosus, dense 

 foliosus, simplex vel parce ramosus; foli a sicca adpressa, apice incurva, 

 humida erecto-patentia, stricta, canaliculato-concava, e basi brevi, 

 superne paulum dilatata sensim lineari-ligulata, obtusa, plerumque 

 apiculo obtusiusculo terminata, rarius in processum styloideum pro- 

 tracta, c. 3 mm. longa, in parte dilatata basis c. 0,70 mm. lata, mar- 

 ginibus erectis, in parte basilari serrulatis, in parte laminali lamellatis, 

 lamellis minute et obtuse serrulatis, nervo crasso, infra summum 

 apicem evanido, dorso scabro, cellulis subrotundis, 0,007 — 0,010 mm., 

 pellucidis, papillosis, cancellinae rectangularis, vaginam subaequantis 

 breviter reetangularibus, ad costam maximis, teniolae intra-margi- 

 nalis, infra apicem evanidae lutescentibus, angustissimis, in parte 

 superiore vaginae c. 4-seriatis, in parte laminali c. 2-seriatis. Caetera 

 ignota. 



Species e robustioribus, C. fasciculato Doz. et Molk, admodum similis, 

 sed foliorum forma et structura longe diversa. 



Lem Dan, on the swelled base of Cocoa-palms; Koh Sarlak, on rocks. 



18. C. (Ilyophilina) acuminatum Broth, n. sp. 



Dioicum; robustiusculum, laxe caespitosum, caespitibus lute- 

 scenti-viridibus; caulis 1 cm. vel paulum ultra altus, erectus, parce 

 radiculosus, dense foliosus, simplex vel parce ramosus; folia sicca 

 adpressa, apice incurva, humida erecto-patentia, stricta, canaliculato- 

 concava, e basi albescente, longiuscula, superne paulum dilatata 

 sensim lanceolato-acuminata, acuta, c. 5 mm. longa, in parte dilatata 

 basis 0,95 — 1,1 mm. lata, marginibus erectis, in parte basilari superne 

 minute serrulatis, in parte superiore laminae inaequaliter serrulatis, 

 nervo crasso, infra summum apicem evanido, dorso scabro, cellulis 



