yjy; J Tr\(>\r,r., PtsliiHinnty fftfifivu oj LaSfffttplW \&h 



Cbriscenseuiu l*'i(l Sefsb, Skr ..ie?. H.6: u 7 (llBOj- ftiityjWv^A'ifftW i$vst<w. 

 (Sw ) Ctmife in ftufr^Mrtflt 5 <4| ; 239 (1940), 



Distribution ; TromV-al America. 



21. LASTREOPSI5 flXCCMA (Mott.) Ti.uUle n, ajmb 



#ir.fjp fwiorfaw : .'istttitum cxcvihem Mctt. Phc*t- vmi Asp,: *>'J \ 1-858). i 

 17, 19.' 



Distribution l-A v (i;id'V to Mexico. 



22, LASTKHOPSIS AMPUSSIMA (IV,) Tinduk it littVfclfe 



/y,7f« ..v»'»"v/'T Pe'vilielfHw onipiisxiutntti TV ., fi^fm:, />V 5H (1^31 ( 

 0//irr iwfttfirc Rumohrti otnphsshta (Pr,) Clung in SttLftW ;n (/-J) ; 33 

 (1934).' 



Distribution : British Guiana, Brazil, Paraguay and Bolivia. 



23 LASTREQFSI5 KlLLlFtl < C. Cbr. and Maxon) Tindale n. comb. 



nVv/V sytuntynt : Dvyoptwis killipH C Cbr, and Ma Will in /fmc>\ /Vr.i 

 Jftrtti /Jh-4 0938) Oiiwr jyn-onyw FunipoJystirltum killiph i,C Chr. ami 

 Maxon) Chiug in Swyu/jemo fi JK) ! 2.VJ (1940). 



Distribution: Panama and Co.ua Rica. 



24 LASTkEOPSJS CUAEROl'HYLLOlDFS < Pon\) Tmdale n. comb 



tftf.v/V jjHftflO'U*! Polxpothinn- chncrapbx-Uoidcs Fair.. JSfcty 5: 542 (1804). 

 Other syntmvtit i Ru-nwkm chwaphviitudiw (Poir.) Ching in fffrfeturfa 3 

 <i~2): 3> (1934). 



Distribution: Greater Antilles. 



25. LASTRFJJFSIS FVKF.SLENS (L.) Tindale n. tnjyife 



Basic synonyv- : Fclyporiivnf fiitht'sccns L., Sy..'/. \'oi„ ctt JO, 2 , 1327 ((759). 

 Othvr synonym: Rumohm puhescens <I..J Chir.K in .Sirtcwifl 5 (1-2): 35 

 (1934)," 



•Distribution: West Indies and Venezuela. 



26- ' LASTRBOPSrS LURIDA (Umtenvond and Maxon) Tindale n, comb 



ZtajtV jvhsuvw I Dryopterts lurida Underwood and Maxon in Stosson in 

 /?«// Torr. Bui. Chib 40: 183 (J913). pi. 3, f. 1. GWwrr ffiMftym: Rnvtohra 



lurida (Underwood and Maxon) Ching in Smcnsia 5 (1-2) : 35 (1934). 



Dislrxbuhm: Jamaica: 



In /-. lurida and L. pnbescens the ridges on the upper surface of tlie rhachts 

 .are less marked and the glands of the frond are capitate and stalked, instead 

 of oblong as in most species of this genus 



f have been unable to examine any specimens of L, subrtcedrvx Ching m 

 L. simozattwe (Tag.) Tag., "both of which doubtless belong to I.astrc\\ps\s 

 according' lo their descriptions, 



ACKNOWLEDGMENTS 

 1 would like to thank Prof R. 1£, Holtrum for his great hcln diid encourage- 

 ment in ibjs revision. Mr. A. H. G- Alston, Mr. C. V. Morton and Mr. J. H. 

 Willis also very kindly assisted me in various way?. I wish to thank the 

 directors of the following' institutions for their i;cnerou:? loan of " specimens- 

 Trie Herbarium, Kew; the British Museum of X'atural HUtory ; Museum 

 National d'Histoirc Naturelle, Paris; the Rijksherbafiurti. l.eiden ; Botanic 

 Gardens, Singapore J the Herbarium, Bogor ; Gray Herbarium, U.S. A ; 

 D.S.I.R., New J Zealand ; .Manual History Museum, Vienna; and the Her- 

 baria at Melbourne, Brisbane and Sydney, 



