30 J- M. Macfarlane. — Nepenthaceae. 



** Caulis elongatus glaber, glandulae operculi 



copiosae emersae 49. N. Treubiana. 



III. Ascidia cylindrica, peristomium in series dentium 



duas dissectum 50. N. echinostoma. 



b. Operculum ascidii intus basi carina prominente, vel 

 basi carina et apice processu instructum, vel medio ca- 

 i'inatum. 



a. Operculum basi carina prominente instructum vel medio 

 -carinatum. 



I. Caulis late alatus, acute triangulus 51. N. Burbidgei. 



II. Caulis leviter alatus, subtrigonus 52. N. Boschiana. 



III. Caulis non alatus, folia spiraliter posita, fere glabra. 53. N. alata. 



IV. Caulis non alatus, folia disticha villosa 54. N. Veitchii. 



V. Caulis non alatus, folia spiraliter posita fere glabra, 



carina levi in medio operculi 55. N. stenophylla. 



ß. Operculum basi in carinam prominentem et apice in 



processum attenuatum productum 56. N. maxima. 



c. Operculum ascidii intus setis multis dispersis instructum. 



a. Ascidium medio valde constrictum margine planum . 57. N. Lowii. 

 ß. Ascidium medio non vel leviter constrictum, margine 



in peristomio formata 58. N. Macfarlanei. 



1. N. Pervillei Blume, Mus. bot. lugd. batav. II. (1852) 10; Hook. f. in DC. 

 Prodr. XVII. (1873) 92; Baker, Fl. Mauritius and Seych. (1877) 299; Dyer in Journ. of 

 Bot. (1878) 103; Watson in Gard. Chron. s. 3. XX. (1896) 239; Hemsley in Cat. North 

 GalL Kew, ed. 4. (1886) n. 468, 496; Macfarlane in Ann. of Bot. VII. (1893) 431, 443; 

 G. Beck in Wien. 111. Gart. Zeitg. (1895) 226; Veitch in Journ. Boy. Hort. Soc. XXI. 

 (1897) 237. — N. Wardii Wright in Trans. Boy. Irish Acad. XXIV. (1871) 576 t. 

 29 et. 30. — Planta prostrata ramis erectis, v. erecta breviter scandens foliis glabris 

 terminata. Caulis prostratus v. suberectus, 0,5 — 1 m longus X 5 — 15 mm crassus, 

 ramosus, inferne nudus ; superne foliorum basibus viridibus v. marcescentibus dense 

 obtectus, rami erecti 5 — 7 mm crassi, cylindrici, glabri, purpurei. Folia 10 — 30 cm 

 longa X 3 — 1 2 cm lata, coriacea, sessilia, semiamplexicaulia, obovata v. spathulata, 

 apice acuta v. obtusa, supra viridia, subtus ± rubra, glabra, nervi longitudinales utro- 

 que latere 6, rarius 5, omnes a basi laminae Orientes vel paria duo intima a triente 

 inferiore costae orientia, par intimum 6 — 10 mm, par secundum 9 — 15 mm, par tertium 

 12 — 18 mm, par quartum 14 — 20 mm, par quintum 15 — 22 mm, par sextum 16 usque 

 24 mm a costa remotum, nervi transversi 5 — 6 mm separati, paralleli, a costa crassa 

 radiato-ascendentes ; cirrhus in foliis ascidiiferis 2 — 7 cm longus, in non-ascidiiferis 

 10 — 20 cm longus, sursum gradatim in basim ascidii ampliatus; ascidia 4 — 20 cm 

 longa X 3 — 7 cm lata, dimorphia, inferiora inferne ± ventricosa, medio leviter con- 

 stricta, os versus expansa, ascidia superiora infundibuliformia, juventute rufo-pubescentia 

 demum glabra, zonis rufo-tomentosis sub peristomio exceptis, coriacea, purpureo-rubra 

 vel rubro-viridia , alae ventrales evolutae aut ad nervös duos validos approximatos 

 reductae, vel in nervo medio conjunctae, nervo medio superne sub peristomio in nervös 

 laterales disperso, os obliquum; peristomium 4 — 8 mm latum, cylindricum, aequale, 

 postice sub basi operculi non approximatum, crebre striatum, margine intus denticulatum ; 

 operculum 3 — 7 cm latum, orbiculare, rubroviride v. rubrum, extus glabrum intus glan- 

 dulis magnis immersis perithecioideis sparse punctatum, glandulae saepe deorsum con- 

 tinuatae ab operculo per superficiem deducentem; calcar 3 — 5-fidum, rufo-pubescens; 

 ascidium intus per quartana partem superiorem in ascidiis minoribus, v. per dimidium 

 superius in ascidiis majoribus glauco-purpureum, opacum et deducens, inferne nitidum, 

 detinens et glandulis multis discretis obsitum. Inflorescentia 25 — 35 cm longa; pedun- 

 culus paniculae aequilongus dz ferrugineo-sericeus ; panicula triangula, rami laxi in cvmas 



