142 THE FERN-ALLIES OF THE MALAY PENINSULA. 



Trailing plant. Leaves small, adpressed 



and aclnate to stem at base . . 11 L. complanatum. 



Creeping plant with simple erect stems 



with one terminal cylindric spike . . 12 L. carolinianum. 



1. L. serratum, Thunb. Fl. Jap. 341 t. 38, Hook & Grew Ic. t. 37. 



Baker, Handbook to Fern- Allies, p. 12. 



Terrestrial or epiphytic, about 8 in. to 12 in. tall, leafy 

 to the base, branched above. Leaves lanceolate .5- 1 in. long 

 .05- 1 in. wide,- acute, cuspidate, serrate, midrib prominent. 

 Sporanges axillary all down the stem, except at base, .1 in. 

 across. 



In woods, not common. Pahaxg, Gunong Tahan (Eidley 

 15962) ; Telom (Eidley 15961). Malacca (Griffith) var. al 

 pestre. 



Distrib. Tropical Asia, Polynesia, America. 

 The typical form with broad leaves is var. javanicum, 

 Makino; with narrow leaves, alpestre. 



2. L. urostachyum, Wall. Cat. 117. L. la.rum, Spring. Mon. I. 



p. 60. 



Pendulous epiphyte with long rather slender branches 18- 

 24 in. long, branches few. Leaves appressed to stem, lanceo- 

 late acute, thick, stiff. .25 in. long, in several rows. Fruit- 

 ing spikes 1-2 terminal on each branch, rather slender; the 

 bracts short, ovate, acute, stiff, keeled .1 in. or less. Sporanges 

 rather large. 



Singapore (Schomburgh) (Wallich 117), Malacca 

 (Cuming). Perak, Gambir Batu (Ridley 2412); Larut 

 (Kunstler) Penaxg Hill (Maingay). 



Distrib. S. India, Malay isles, Polynesia. 

 d. L. Dalhousieanum, Spring Mon. ii. 25, Bak. Fern-Allies, p. 18. 



Pendulous epiphyte 4-12 ft. long, glaucous with few 

 branches, stout, nearly 1 in. through. Leaves ascending, lan- 

 ceolate acuminate, firm .75-1 in. long, midrib distinct. 

 Sporanges in 1 or 2 simple spikes 6-10 in. long, rather small 

 bracts, ovate, acute .12 in. long. 



Singapore,; Sungei Sumbawang, Chanchu-Kang ; Pahaxg 

 on trees overhanging Tahan river. Malacca (Hervey), 

 Penang Hill (Lady Dalhousie, Xorris, etc.) 



Distrib. Borneo. 

 4. L. squarrosum, Forst. Prod. Xo. 479. Bak. Fern-Allies, p. 18. 



Epiphytic base erect then decurved, about 12-24 in. long, 

 2 or 3 times forked, stout, densely covered with lanceolate 

 linear acuminate leaves spreading .3-. 75 in. long, very narrow. 

 Spikes solitary, terminal, thick forked, above 5 in. long, the 

 blanches 2 in. bracts subulate from a broader base .1 in. long. 

 Sporangia rather large. 



Jour. Straits Branch 



