POLYOSMA— POTAMOGETON 



221 



POLYOSMA Blume (Saxifragac). 



elongata Geddes; Craib, Fl. Siam. Enum. i. 584 



(1931), descr. ampl. — Siam. 

 Mjoebergii Merrill in Saraivak Mus.jfourn. iii. 523 



(1928). — Borneo. 

 oligodonta Merrill in Contrib. Arn. Arb. No. viii. 



66 (1934). — Sumatra. 

 POLYPLETHIA Van Tiegh. (Balanophorac). 

 Oshimae {Yamarnoto) Yamamoto in Journ. Soc. 



Trop. Agric, Tainan, 1933, v. 354: Balanophora 



Oshimae. 

 parvior (Hayata) Yamamoto, l. c. 406: Balanophora 



parvior. 



POLYPOGON Desf. (Gramin.). 



mehllensis Sennen in Bull. Soc. Bot. France, 1931, 

 Ixxviii. 185, in obs., nomen. — Marocc 



POLYPOMPHOLYX Lehm. (Lentibulariac). 

 longeciliata {DC.) L. B. Smith in Phytologia, i. 138 

 (1935): Utricularia longeciliata. 



POLYSCL\S J. R. & G. Forst. (AraHac). 



Albersii Etigl. in Engl. Pflanzenw. Afr. iii. 11. (Engl. 



& Drude, Veg. der Erde, ix.) 779 (1921), in obs., 



sphalm.: P. Albersiana Harms. 

 ferruginea (Hiern) Harms in Engl. & Prantl, Nat. 



Pflanzenfam. iii. viii. 45 (1894): Panax ferru- 



gineus. 

 fulva (Hiern) Harnis, l. c: Panax fulvus. 

 reflexa J. W. Moore in Bidl. Bishop Mus., Honolulu, 



No. 102, 35 (1933). — Ins. Societ. (Raiatea). 

 subcapitata Kanehira in Bot. Mag., Tokyo, 1932, 



xlvi. 673. — Ins. CaroHn. (Kusai). 



POLYSPHAERIA Hook. f. (Rubiac). 



jubensis Chiov. Fl. Somala, II. 242 (1932), in obs. 

 — Somal. Ital. 

 POLYSPORA Hort. ex News Lit. & Fashion, ii. 205 

 (1825); Sweet, Hort. Brit. ed. i, 61 (1826). 

 THEACEAE. 

 axillaris (Roxb.) Hort. l. c; Sweet, l. c: CameUia 

 axiHaris. 



POLYSTACHYA Hook. (Orchidac). 



angustifoHa Summerhayes in Kew Bull. 1931, 388. 



— Congo Belg. 

 conocharis Kraenzl. ex Engl. in Engl. Pflanzemv . 



Afr. ii. (Engl. & Drude, Veg. der Erde, ix.) 409 



(1908), in obs.: P. ionocharis KraenzL? 

 convaUarioidea Mansf. in Notizbl. Bot. Gart. Ber- 



lin, xi. 1061 (1934). — Tanganyika Terr. 

 erythrocephala Summerhayes in Kew Bull. 1931, 



386.— N. Rhodesia. 

 kermesina Kraenzl. ; Summerhayes, l. c 387, descr. 



ampl. — Congo Belg. 

 Kerstingii Schlechter ex Mansf. in Fedde, Repert. 



Beih. Ixviii. 10, t. 58, fig. 231 (1932), sine descr. 



— Afr. 

 longiscapa Summerhayes in Kew Bull. 1934, 211. — 



Tanganyika Terr. 

 monolenis Summerhayes, l. c. 1935, 198. — Sierra 



Leone. 

 retusiloba Summerhayes, l. c. 1931, 385. — Congo 



Belg. 

 sabulosa Schlechter ex Engl. in Engl. Pflanzenw. 



Afr. ii. (Engl. & Drude, Veg. der Erde, ix.) 409 



(1908), in obs., nomen. — Hab. ? 



POLYTOCA R. Br. (Gramin.). 



digitata (L.f.) Henrard in Meded. Herb. Leid. No. 



67, 10 (193 1): Apluda digitata. 

 Massii (Balansa) Schenck ex Henrard, Lcg: Chio- 



nachne Massii. 



POLYTOMA Lour. ex Gomes in Mem. Acad. Sc 

 Lisb. Cl. Sc Pol. Mor. Bel.-Let. n. s. iv. (i), 30 

 (1868); MerriU in Trans. Am. Phil. Soc n. s. 

 xxiv. II. 18, 123 (1935), in syn.: Bletilla Reichb. 

 f. (Orchidac). 

 inodora Lour. ex Gomes, L c; Merrill, l. c, in syn.: 



Bletilla striata. 

 odorifera Lour. ex Gomes, L c.;Merrill, L c. 18, 125, 

 in syn.: Aerides odoratum. 



POLYTREMA C. B. Clarke (Acanthac). 



annamense Benoist ex Lecomte, FL Gen. Indo-Chine, 

 iv. 723 (1935). — Indo-China (Laos; Anam). 



POLYXENA Kunth (Liliac). 



Maughanii Barker in FL PL S.Afr. 1931, xi. t. 420. 

 — Afr. austr. (Cape Prov.). 



POMATOCALPA Breda, Kuhl & Hass. (Orchi- 

 dac). 

 elongata Carr in Gard. BidL Straits Settlements, 



vii. 50 (1932). — Penins. Mal. 

 floresana J. J. Smith in BulL Jard. Bot. Buitenz. 

 Ser. III. xii. 148 (1932). — Ins. Sunda (Flores). 



POPOWIA Endl. (Annonac). 



caulnntha Exell i7i Jouryi . Bot. 1932, Ixx. Suppl. i, 



208. — Congo Lusit. 

 dictyoneura Diels in NotizbL Bot. Gart. Berlin, xi. 



811 (1933). — Tanganyil<a Terr. 

 discolor Diels, L c xi. 398 (1932). — Tanganyika 



Terr. 

 Odoardi Diels, L c xi. 82 (193 1). — Borneo. 

 prehensilis A. ChevaL; Hutchinson & Dalziel, FL 



W. Trop. Afr. i. 56 (1927), in syn.: P. Whytei. 

 scamnopetala Exell in Journ. Bot. 1932, Ixx. Suppl. 



I, 207. — Congo Lusit. 



POPULUS L. (Salicac). 



acuminata Rydb. in BulL Torr. Bot. CL 1893, xx. 

 50. — U.S.A. (S. Dakota; Nebraska). 

 X albo-tremula Hort. ex C. K. Schneider in Mitt. 

 Deutsch. DendroL Ges. 1932, xliv. 26. — Hort. 

 caroliniana Hort. ex McMinn & Maino, Pacific 



Coast Trees, 146 (1935), in syn.: P. canadensis. 

 cathayana Rehder injourn. Arn. Arb. 193 1, xii. 59. 

 — As. or. 

 X charkowiensis R. Schroder in Mollers Deutsch. 

 Gdrtner-Zeit. 1902, xvii. 393. — Rossia. 

 glandulosa (Uyeki) Uyeki, Woody PL Chosen, 4 

 [1934]: P. tremula var. glandulosa. 

 X hopeiensis Hu & Choiv in Chozv, Familiar Trees 

 Hopei, Peiping, 56 (1934); Hu in BulL Fafi Mem. 

 Inst. Biol. V. 305 (1934). — China (Chihli). 

 illicitana Dode ex Gorz in Fedde, Repert. xxxvi. 20 

 (1934), pro syn.: P. euphratica. 



PORANA Burm. f. (Convolvulac). 



grandiflora Wall. in Roxb. FL Ind., ed. Carey & 



WalL, ii. 41 (1824). — Ind. or. 

 megalantha Merrill in Lingnan Sc jfourn. xiv. 53 



(1935). — China (Hainan). 

 racemosa Roxb. Hort. Beng. 13 (1814), nomen; FL 



Ind., ed. Carey & WalL, ii. 41 (1824); F/. Ind., 



ed. Carey, i. 466 (1832). — Nepal. 



PORARESIA Gleason in BuU. Torr. Bot. CI. 193 1, 

 Iviii. 385. ICACINACEAE. 

 anomala Gleason, L c — Bras. (Amaz.). 



PORCELIA Ruiz & Pav. (Annonac). 



goyazensis R. E. Fries in Acta Hort. Berg. x. 33 



(1930). — Bras. (Goyaz). 

 macrocarpa (Warm.) R. E. Fries, L c 31: Uvaria 



macrocarpa. 

 Steinbachii (Diels) R. E. Fries, L c 35: Cymbo- 



petalum Steinbachii. 



POROPHYLLUM Adans. (Compos.). 



curticeps Malme in Arkiv Bot., Stockh. xxiv. A. 



No. 6, 74 (1932). — Bras. (Rio Grande do Sul). 

 nodosum M. E.Jones, Contrib. West. Bot. No. 18, 



82 (1933-5). — Calif. infer. 

 purpureum M. E.Jones, L c 81. — Mexico. 

 putidum A. Nelson in Am.Journ. Bot. 1931, xvui. 



440. — U.S.A. (Arizona). 

 rotundifolium M. E.Jones, Contrib. West. Bot. No. 



18, 81 (1933-5). — Mexico. 



PORPAX Lindl. (Orchidac). 



papillosa Blatter & McCann injourn. Bombay Nat. 

 Hist. Soc XXXV. 268 (193 1). — Ind. or. (Bombay). 



PORPHYROCOMA Scheidw. (Acanthac). 



longifolia Hort. ex Vilmorin's Blumeitg., ed. 3, Sieb. 

 & Voss, i. 809 (1895), in syn.: Dianthera 

 Pohliana. 



PORPHYROSTEMMA Benth. ex Oliv. (Compos.). 

 Chevalieri (O. Hoffm.) Hutchinson & Dalziel, FL 

 W. Trop. Afr. ii. 158 (1931): P. Grantii var. 

 Chevalieri. 



PORTULACA L. (Portulacac). 



amboensis Macbride in Candollea, v. 350 (1934). — 



Peruv. 

 calandroides F. MuelL ex v. Poelln. in Fedde, Re- 



pert. XXXV. 172 (1934), in syn.: Calandrinia 



spergularina. 

 Caumii Forest Brown in BuU. Bishop Mus., Hono- 



luhi, No. 81, 29 (1931). — Ins. Sandvic. 



PORTULACA:— 



cinerea v. Poelln. in Fedde, Repert. xxxiii. 158 



(1933). — Venez. 

 conico-operculata v. Poelln. L c — Bras. (Minas 



Geraes). 

 decipiens v. Poelln. L c 159, 165. — N. Austral. 

 denudata v. Poelln. L c 159. — Venez. 

 depauperata v. Poelln. L c 160. — Urug. 

 Dinteri Schinz ex v. Poelln. L c xxxvii. 308 (1934), 



in obs. — Afr. austr.-occ 

 diversifolia v. Poelln. L c xxxiii. 160 (1933). — Bras. 



(Rio Grande do Sul). 

 erecta Urb. & Ekman in Arkiv Bot., Stockh. xxiii. 



A. No. II, p. 9 (1931). — Santo Domingo. 

 Haughtii Macbride in PubL Field Mus. Nat. Hist., 



Chicago, Bot. Ser., xi. 21 (1931). — Peruv. 

 immerso-stellulata v. Poelln. in Fedde, Repert. 



xxxiii. 161 (1933). — Argent. 

 insularis Hosokaioa in Trans. Nat. Hist. Soc For- 



mosa, 1932, xxii. 229. — Formosa. 

 Legrandii v. Poelln. in Fedde, Repert. xxxviii. 108 



(1935).— Urug- 

 longiusculo-tuberculata v. Poelln. L c xxxiii. 161 



(1933).— BoHv. 

 mauritiensis v. Poelln. L c xxxvii. 311 (1934). — 



Mauritius. 

 montevidensis C. A. Mey. ex v. Poelln. l. c. 271, 



in syn.: P. platensis. 

 Neumannii EngL ex v. Poelln. L c. xxxiii. 162 



(1933).— Afr. or. 

 oblonga Peter in Fedde, Repert. Beih. xl. II. Anhang, 



32 (1932). — Tanganyika Terr. 

 obtusa V. Poelln. in Fedde, Repert. xxxiii. 162 



(1933).— Argent. 

 papulosa Schlecht. in Bot. Zeitimg, 1853, xi. 671, 



in obs. — Hort. 

 Poellnitziana Legrand in Rev. Sudamer. Bot. 1935, 



ii. 156. — Urug. 

 procumbens Urb. & Ekman in Arkiv Bot., Stockh. 



xxiii. A. No. II, p. 9 (1931)- — Santo Domingo. 

 remota v. Poelln. in Fedde, Repert. xxxvii. 302 



(1934). — W. Austral. 

 samoensis v. Poelln. L c xxxiii. 163 (1933)- — 



Samoa; N. Guin. 

 SmalHi P. Wilson in N. Am. FL xxi. 335 (1932). — 



U.S.A. (N. Carolina; Georgia). 

 stellulato-tuberculata v. Poelln. in Fedde, Repert. 



xxxvii. 288 (1934). — Parag. 

 striata v. Poelln. L c xxxin. 163 (1933). — Bras. (S. 



Catharina). 

 Stuhlmannii v. Poelln. L c. 164. — Afr. or. 

 suffruticosa Wight ex WalL; v. Poelln. L c xxxvii. 



313 (1934). descr. — Ind. or.; Zeylan. 

 tingoensis Macbride in PubL Field Mus. Nat. Hist., 



Chicago, Bot. Ser., xi. 21 (193 1). — Peruv. 

 trianthemoides Bremek. in Ann. Transvaal Mus . xv. 



239 (1933). — Transvaal. 

 Werdermannii v. Poelln. in Fedde, Repert. xxxiii. 



164 (1933). — Bras. (Bahia). 

 Wightiana WalL; v. Poelln. L c xxxvii. 314 (i934), 



descr. — Ind. or. austr.; Zeylan. 



POSKEA Vatke (Boraginac). 



socotrana (/. B. Balf.) G.Taylor injourn. Bot. 1933, 

 Ixxi. 312: Cockburnia socotrana. 



POSOQUERIA Aubl. (Rubiac). 



dumetorum (Willd.) Willd. ex Roxb. FL Ind., ed. 

 Carey & WalL, ii. 564 (1824); FL Ind., ed. 

 Carey, i. 713 (1832): Gardenia dumetorum. 

 fasciculata Roxb. L c 568; et L c 717.— Ind. or. 



(Assam). 

 floribunda Roxb. L c. 569; et L c 719.— Ind. or. 

 fragrans Koen. ex Roxb. L c 567; et L c. 717. — 



Ind. or. 

 longiflora Roxb. L c 568; et L c 718. — Ind. or. 

 longispina Ro.xb. L c 566; et L c. 716.. — Ind. or. 

 nutans Roxb. L c 565 ; et L c 714. — Ind. or. 

 rigida WalL in Roxb. FL Ind., ed. Carey & WalL, 



ii. 570 (1824). — Ind. or. 

 uliginosa (Willd.) Roxb. L c 563 ".. ^^- ■^"^•. ed. 

 Carey, i. 712 (1832): Gardenia uliginosa. 

 POTAMOGETON L. (Potamogetonac ; Naiadac, 



Gen. PI.). 

 xapertus Miki in Bot. Mag., Tokyo, 1935, xlix. 690. 



— Japon. 

 xBabingtonii Arth. Betin. injourn. Bot. 1894, xxxii. 

 205, in obs. — Anglia. 



