DA\ ALLli:.!': «CH1Z(>1J>.MA. .)'.) 



and obtusely auricled on tlit' upper at tlu- hasf, subooiiaceous, glabrous; 

 veins inconspieuous, forked, costa wavy; sonM slij,'htly iiiterniptcd, or 

 continuous aro\nid botli sides and tlie a|)ex. 



K-wii;; KiM'i-. i'arii;;iia, Mmill 7ti!l. 



Malaya. 



(2) S. heterophyllum iDiy.i ■!. Sm. Uliiz<jnie >iiort, creeping', clothed 

 witli line, liinwii -.cales; stipes clustered erect, 5 to 15 cm. hij^li, naked, 

 green above; imiid Ki to 20 cm. liif.'li, i)innate and lanceolate or bipinnate 

 ami deltoid; piniwe ^emiorhieular and ti\ed Ity tlie middle of tlie straight 

 side with radiate venation and cotitinuous -.ubmar^^inal imlusi\nn around 

 the upper side, or triangular with indusium along two sides, or trapezoidal 

 with usually contintU)Us indusiuui along upper and outer aides, outer 

 acropetal angli' rounded or acute, margin entire or finely toothed, papyra- 

 ceous, glabrous: veins free except in s(uus, or anastomosing more freely. 

 An exceedingly xaiinble fnii. some of whose forms are lianlly distinguish- 

 able from Liiidsiij/d. 



Luzon, Ctttiiiny 27"); Mnmit .\lari\ele.s, Copclnnd l.'JTo, Whilforfl 11C2, 

 Topping 351. 



Mniiritius to Honkong and Malaya. 



(22) LINDSAYA Dryander. 



Rhizome short or creeping, stipes not articulate to it; fronds at least 

 pinnate; the lower half of each pinna (or pinnule) almost or quite 

 undeveloped, the "midril)" tin relore miming along tiie entire lower margin; 

 sori along or near the upper margin; indusia fixed by the base. Small 

 ferns, terrestrial or e])iphytic, superficially resembling Adidntum. 



I. Veins free. 



2. Fronds once pinnate. 



3. Upper edge of pinnje entire or lobed less 

 than half way to costa. 

 4. Rhizome stout and scandent. 



5. Simple sori about as deep as 

 broad. 

 , 6. Upper margin, of pinna 



entire or lobed (1) L. repcns 



6. Pinna cleft nearly to 



rachis (2) L. hymcnophylloUles 



5. Sori narrow. 



6. In an unbroken line (3) L. scandcns 



6. In a broken marginal 



line (4) L. pcctinata 



6. Submarginal in the lobes.. (5) L. Merrillii 

 4. Rhizome not stout and scandent. 

 5. Pinnjp less than 1 cm. long. 



6. Frond very narrowly 



linear (6) L. (jracillima 



6. Frond not narrowly linear. 

 7. Stipe flexuous, pin- 

 nae somewhat au- 

 rlcled (7) L. ovata 



