XXVI. Peltapteris phoglossum. On the other hand, its anatomy, ii dument,chemistry,andsporesarenearlyidentic Contributed by John T. Mickel. to those ofE. squamipes, and it is clear that lei architecture is the only character separating th Peltapteris Link, Fil. spec. 147. 1841. TYPE: two taxa. = Acrostichumpeltatum(Sw.) Sw. Peltapteris peltata (Sw.) Morton. Figure 26. RhipidopterisFee,Mem.foug.2: 14. 1845,nom. illeg. References Epiphytic. Stem long-creeping, slender, scaly. GOMEZ P., L. D. 1975. Contribucionesa la pt Leaves small, dimorphic. Petiole scaly. Lamina ridologiacostarricense.VI. ElgeneroPeltaptet flabellatetopinnate,undividedto4timesdivided; Link in Costa Rica. Brenesia, 6: 25-31. ifdivided, segmentslinear,glabrous, chartaceous. MICKEL, J. T. 1980. Relationships of the di Fertile lamina round, cordate or two-lobed, spo- sectedelaphoglossoid ferns. Brittonia, 32: 10< rangia covering abaxial surface; spores bilateral. 117. MICKEL,J.T.,ANDL.ATEHORTUAG. 1980. Sul Five species in tropical America, one wide- divisionofthegenusElaphoglossum.Amer.Fei spread, others limited. J., 70: 47-68. We are oftwo minds regarding the recognition MORTON, C. V. 1955. NotesonElaphoglossw of Peltapteris as a genus distinct from Elapho- III. The publication of Elaphoglossum ar glossum. On the one hand, its leafarchitecture is Rhipidopteris. Amer. Fern J., 45: 11-14. stronglydissectedandiseasilyrecognizedbuttends UNDERWOOD, L. M. 1905. A much-named fer to be lost in the large number ofspecies in Ela- Torreya, 5: 88. Key to Species ofPeltapteris a. Sterile lamina flabellate, either entire or dissected; fertile lamina orbicular to notched at apex . . 2. P. pelta a. Sterile lamina pinnately divided, the pinnae linear, entire or dichotomously divided; fertile lamii linear mm b. Pinnae with 1 vein per segment, ca. 1 broad mm 1. P. moor b. Pinnae often with more than 1 vein per segment, 2-3.1 broad 3. P. peruviai 1. Peltapteris moorei (E. G. Britt.) Gomez, Bre- Microstaphylamoorei(E.G.Britt.)Underw.,Torre nesia 6: 29. 1975. 5: 88. 1905. mm Acrostichum moorei E. G. Britt., Mem. Torrey Bot. Stemlong-creeping,ca. 1 mmindiameter,seal Club4:273. 1895.TYPE:Bolivia,Yungas,Bang lanceolate,orange-tan, 1-2 long,entire. Phj 558(holotype, NY!; isotype, us!). lopodia lacking. Leaves 3-10 mm apart, 6-14 c ElapBhooigslsoisesru2m,m3o:o1r4e8i.(E1.90G3..Britt.)Christ,Bull.Herb. long, 1.5-2.9cmbroad.Petiole y3-V2tmhemleaflengt Elaphoglossum bangii Christ, Monogr. Elaphoglos- scales orange-tan, ascending, ca. 1 long, e: sum99. 1899.TYPE:Bolivia,Yungas,Bang558 tire.Laminanarrowlylanceolate,chartaceous,ap< (holotype, presumably p). acuminate, base truncate, pinnate, thempimnnaeei Microstaphylabangii(Christ)Hieron.,Bot.Jahrb.Syst. tire(linear)to furcate, segments 1-1.5 broa 34: 539. 1904. RhipiTdYopPtEe:riBsorluivsibay,iCYhurnigsat,s,FaBrannkrg.5d5e8r(Ehrodleot4y6p.e,18p9r7e.- lVaeciknisng.obLscaumrien,afrsecea,le1s psecarttseergemde,notr.anHgyed-taatnh,oHdi sumablyP). ear-lanceolate-deltate, morecommonlyabaxiall TRYON & STOLZE: PTERIDOPHYTA OF PERU. IV. 16 (FFrIoGm. S2t6o.lze,PeFltearpntser&isfpeerlntaatllaiefs. opeflGtautaat:ema,alhaa,bit1;98b1,.)fertile lamina, abaxial side; c, fertile lamina, adaxial side. 168 FIELDIANA: BOTANY Fertileleavesshorterthanthesterile,petiole%the Acrostichumpeltatum(Sw.)Sw.,J.Bot.(Schrad.)180 leaflength, lamina linear, entire; intersporangial (2): 11. 1802. scales lacking. Rhipidopterispeltata(Sw.)Fee,Mem.foug.2:78. 184! Elaphoglossum peltatum (Sw.) Urban, Symb. antil 4: 60. 1903. Epiphytic in wet forests, 1750-2400 m, Cuzco. mm Stem long-creeping, slender, ca. 1 in di Cuzco:CerroChuyapi,BiiesA41(NY).LaConvention, ameter, scales lanceolate, tan. Leaves dimorphic a(CGlaHrs)ec.daedLdeoa,reDCsuodndlveeeynTtu1in0og4nu9,0iCm(oaGryHd)oi.ll(eIrtama)V,ilcVaarbgaamsbaC,.K1n0o6x6's9 s%tertihlee sotneersile3-l1e5afclmengltohn,g,spdairssteanlty.sPcealtyi.olLeaambioni flabellate, 2.5-5 cm broad, undivided to 5 time dichotomouslydivided,surfaceswithafewsmal 2. Peltapteris peltata (Sw.) Morton, Amer. Fern tanscales.Fertileleaveslongerthanthemstmerilean J. 45: 13. 1955. nearlyundivided,usually2-lobed,5-20 broac Osmundapeltata Sw., Prodr. 127. 1788. TYPE: Ja- maica, Swartz(holotype, s). Key to Forms a. Sterile lamina 4-5 times dichotomously divided 2a. f. peltat a. Sterile lamina entire or dichotomously divided into two parts 2b. f. flabellat 2a. Peltapteris peltata f. peltata. Figure 26. Acrostichumflabellatum var. sphenophyllum Kunz Linnaea 9: 32. 1834. TYPE: Peru, Poeppig(h< Sterilelaminamostly 4-5 timesdicmhomtomously Acroslottiycpheu,mLsZ,phdeensotrpohyyeldl;umis(oKtyupnez,e)PRK;ufnrzage.,,ANnYa!)l.eci divided, the segments linear, 0.5-1.5 broad. pteridogr. 11, t. 7. 1837. Epiphytic in wet forests, 400-1400 m, Ama- Rhipidopterisflabellata (Willd.) Fee, Mem. foug., '. zonas, San Martin, Pasco, Junin, Ucayali. 78, 1845. MexicotoPanama; WestIndies; Guianas;Ven- Rhipidopterissphenophylla(Kunze) Fee, Mem. fouj 2: 79. 1845. ezuela and Colombia to Peru. Elaphoglossumpeltatumf.flabellatum(Willd.)Mid el, Brittonia32: 116. 1980. Amazonas: Bagua, Montenegro-Chiriaco, Sagdstegui hM5ai9rg3th2iwna(:GyH)Bt.ooqHPuuuecaramollnppaaP,masiAsl,&la9r2Sdhka2i2mm1,2f2rBoe(rmGlHiT,ninu4sg4)o5. MP(auasrs)ci.oaS(aoanns steSriilmeillaarmitonaf.ispelletsastadievxicdeepdt, ienithf.efrlaebnetilrleataorthi Junin): PichisTrail, SanNicolas, Killip&Smith 26016 two lobes. Am (GH,NY).Junin:SchunkeHacienda,aboveSan Ramon, Epiphytic in wet forests, 700-2200 m, C. SchunkeA149(us). Hacienda Schunke, La Merced, zonas to Cuzco and Madre de Dios. Macbride5809(us). Chanchamayo Valley, C. Schunke Costa Rica; Panama; Venezuela and Colombi 460 (us). Ucayali: Coronel Portillo (as Loreto), Padre Abad, Boqueron de Padre Abad, /. Schunke V. 3047 to Peru. (GH,NY,us).CoronelPortillo,Km209entreTingoMa- ria y Pucallpa, Aguaytia, Ridoutt, 31 July 1943 (GH). Amazonas: Mendoza, Woytkowski 8297 (GH). Sa CoronelPortillo(asHuanuco), FundoChela,Sinchono, Martin:InmonteCampanapropeTarapoto,Spruce463 Aguilar918(USM). (NY,us).Pasco:Oxapampa,CordilleraSanMatias,Led 323(USM). Prov.Oxapampa,AbralosMellizos,Skog< al. 5039 (us). Junin: Villa Amoretti, near La Mercec 2b. Pmeelzt,apBtrereinsespiealt6a:t2a8.f. 1f9l7ab5e.llata (Willd.) Go- AK2pu5un9rk0ie3mla(6ucs3,)2.K(iAGlyHla)i.cpuP&cihcohS:imsiAttyrhanial2,,2P7bo8er1tvewne(iNerYn,,HKuiusl)al.niptCac&a&rSrmaiRptis betweenHuanta&RioApurimac,Killip&Smith2320 Acrostichumflabellatum Willd., Sp. pi. 5: 110. 1810. (GH, NY, us). Cuzco: Paucartambo, Pillawata, Yana TYPE: America meridionali, Humboldt & Bon- mayo-Tombomayo, Vargas C. 16733 (GH). Prov. Pat pland(holotype, B!, Herb. Willd. 19530). cartambo, San PedroaSan Isabel, VargasC. 6786(us TRYON & STOLZE: PTERIDOPHYTA OF PERU. IV. 16' RioCaracol,ValledeSan Miguel,LaConvention,Biies This closely resembles P. moorei in general ar- 2R0io/6Pa(luos)t.oaM,a1d0r-e15dekmDieNs:NMWanouf,ShCienrturyoad,eFoPsatnetira1co0l8l9a4, cohfitteenctwuhreh,bmuotrehatshtahneQpniennvaednnoptecrhesdegamnednftorked, Endemic. Epiphytic in wet forests, ca. 3050 m, Cuzco. Thus far known only from the type. 3. PeltaptensperuvianaGomez, Rev. Biol.Trop. 18: 217. 1971. TYPE: Peru, Cuzco, Alturas de Sicre, Biies 1572 (holotype, us!; isotype, cuz). 170 FIELDIANA: BOTANY