Dicotyledons. 



324 



5400 



Pectis [Compositae]. Greene, E. L. 

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 (145-154). 



Pedalineae v. Ilarpagophytimi, Mar- 

 tynia, Pedalium, Sesamothamnus, Se- 

 samum. 



Pedalium [Pedalineae]. Stapf, 0. 

 In: Dyer, Flora trop. Afr., 4, II, 1906, 

 (540-546). 



Pedicularis [Scropliulariueae]. Born- 

 MULLEB, J. Repert. nov. spec, regni 

 veget., Berlin, 3, 1906, (72-75). 



■ Elmer, A. D. E. Bot. 



Gaz., Chicago, El., 41, 1906, (309- 

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Greene, E. L. Leaflets, 



Washington, D.C., 1, 1905, (145-154). 



• ■ Ortendaul, T. Gard. 



Chron., London, (Ser. 3), 40, 1906, 

 (385). 



Paulsen, 0. Kjobeu- 



havn, Bot. Tids., 27, 1906, (210-219). 



Pegolettia [Compositae]. Bolus, H. 

 Cape Town, Trans. S. Afric. Phil. Soc, 

 16, pt. 4, 1906, (385). 



Pelargonium [Geraniaceae]. Burger, 

 M. London, Rep. Genet., R. Hort. Soc, 

 1906, (456-462). 



Peliostomum [Scrophnlarineae]. Hems- 

 ley, W. B. and Skan, S. A. In : Dyer, 

 Flora trop. Afr., 4, II, 1906, (275). 



Pentachaeta [Compositae]. Elmeb, 

 A. D. E. Bot. Gaz., Chicago, 111., 41, 

 1906, (309-326). 



Pentacyphus n. gen. [Asclepiadeae]. 

 Schlechter, R. Bot. Jahrb., Leipzig, 

 37, 1906, (601-627). 



Pentaphragma [Campanulaceae]. 



Hemsley, W. B. and Wilson, E.H. Kew 

 Bui., London, 1906, (160). 



Penthoraceae v. Crassulaceae. 



Pentopetiopsis n. gen. [Asclepiadeae]. 

 CosTANTiN, J. et Gaixaud, J. Bid. 

 Museum, Paris, 1906, (415-421). 



Pentstemon [Scrophularineae]. Ab- 

 eams, L. New York, N.Y., BuU. Torrey 

 Bot. CL, 33, 1906, (445-446). 



Greene, E. L. Leaflets, 



Washington, D.C., 1, 1904-06, (73-81, 

 161-167, 199-200). 



Heller, A. A. Muhlen- 



bergia, Los Gatos, Cal., 2, 1906, (105- 

 176, 177-256). 



Pentstemon [Scrophularineae]. 



Howell, T. A flora of north-west 

 America. Vol. I. Portland, Oregon, 

 1901, (475-562). 



Piper, C. V. Washing- 

 ton, D.C., Smithsonian Inst., Cont. U. S. 

 Nation. Herb., 11, 1906, (1-637). 



Rydberg, p. a. New 



York, N.Y., Bull. Torrey Bot. CL, 33, 

 1906, (137-161). 



Pentzia [Compositae]. Schinz, H. 

 Geneve, Bui. Boissier, (Ser. 2), 4, 1904, 

 (1020). 



Peperomia [Piperaceae]. Hill, A. W. 

 Ann. Bot., Oxford, 20, 1906, (395-427). 



Periploca-f- [Asclepiadeae]. Hollick, 

 A. Washington, D.C., Dept. Int. U. S. 

 Gaol. Surv. Monogr., 50, 1906, (1-219). 



Peripterygia n. gen. [Celastrineae]. 

 Schlechter, R. Bot. Jahrb., Leipzig, 

 39, 1906, (1-274). 



Peritoma [Cruciferae]. Rydberg, P. 

 A. New York, N.Y., Bull. Torrey Bot. 

 CL, 33, 1906, (137-161). 



Perriera [Simarubeae]. Courchet, L. 

 Ann. Inst, colon., Marseille, 13, 1905, 

 (191-247). 



Persea [Laurineae]. Caldarera, S. 

 Palermo, Boll. Orto bot., 4, 1905, (99- 

 104). 



IHoLLiCK, A. Washing- 

 ton, D.C., Dept. Int. U. S. Geol. Surv. 

 Monogr., 50, 1906, (1-219). 



Mez, C. Repert. nov. 



spec, regni veget., Berlin, 3, 1906, (4- 

 15, 33-45, 65-71, 97-104). 



Persica [Rosaceae]. Laubekt, R. 

 Prakt. Bl. Pflanzenschutz, Stuttgart, 4, 

 1906, (25-28, 44-46). 



LiisTNER, G. Geisen- 



heim, Ber. Lehranst. Obstbau, 1905, 

 1906, (142-144). 



Persicaria [Polygonaceae]. Greene, 

 E. L. Leaflets, Washington, D.C., 1, 

 1904-05, (17-50, 105-110). 



Small, J. K. New 



York, N.Y., Bull. Torrey Bot. CL, 33, 

 1906, (51-57). 



Pertya [Compositae]. Making, T. 

 Tokyo Bot. Mag., 20, 1906, (23-35). 



Petasites [Compositae]. Greene, 

 E. L. Leaflets, Washington, D.C., 1, 

 1906, (180-182). 



