Dicotyledons. 



521 



5400 



[Opuntia] [Cacteae]. Berger, A. 

 Monatschr. Kakteeiik., Nendainni, 14, 

 1904, (59-60, 109-110, 171-172) ; Gard. 

 Chroii., Loudon, (Ser. 3), 35, 1904, (34). 



Dams, E. 



Monatschr. Kakteeiit., Neudaium, 

 1904, (123-125). 



Small, J. K. 



Flora of the southeastern United States. 

 New York, 1903, (xii + 1370). 



[Oreobatus n. gen.] [Rosaceao]. Ryd- 

 BERG, B. A. New York, N.Y., Bull. 

 Torrey Bot. CI., 30, 1903, (271-281). 



[Origanum] [Labiatae]. Magnus, B. 

 Berlin, Ber. D. bot. Ges., 22, 1904,(344- 

 347). 



[Orixa] [Celastrineae]. Yaee, Y. 

 Tokyo Bot. Mag., 18, 1904, (7-14). 



Orobanchaceae v. Epiphegus, Myzor- 

 jliiza, Urobanclie. 



[Orobanclie] [Orobanchaceae]. Bex- 

 KETT, A. Naturalist, London, 1904, 

 (25). 



HiERN, W. P. 



and Staff, 0. Dver, Fl. Cap., 4, sect. 

 2, 1904, (421-422)." 



Martinet, G. 



t EsTOPrEY, A. Chron. Agric, Lau- 

 sanne, 15, 1902, (402-404). 



• ■ Nelson, A. 



Bot. Gaz , Chicago, 111., Univ. Chic, 37, 

 1904, (260-279;. 



■ ■ NoiiEN, C. 0. 



Eot. Nof., Lund, 1903, (287-291). 



[Orthosiplion] [Labiatae]. Briquet, 

 J. Geneve, Bui. Boissier, (ser. 2), 3, 



1903, (988-991). 



[Osmia] [Compositae]. Small, J. K. 

 Flora of the southeastern United States. 

 New York, 1903, (xii + 1370). 



[OsmorMza] [Uinbelliferae]. Yabe, Y. 

 Tokvo Bot. Mag., 18, 1904, (25-30, 37- 

 44, 55-04). 



[Ostrya] [Cupuliferae]. IIeimeel, A. 

 Wien. Verb. ZoolBot. Ges., 54, 1904, 

 (448-471). 



[Othake] [Compositae]. Bush, B. F. 

 St. Louis, Mo., Trans. Acad. Sci., 14, 



1904, (171-180). 



[Otophylla] [Scrophularineae]. Small, 

 J. K. Flora of the south-eastern United 

 States. New York, 1903, (xii -f 1370). 



[Ouratea] [Ochnaceae]. Smith, J. D. 

 Bot. Gaz., Chicago, 111., Univ. Chic, 33, 

 1902, (249-262). 



[Owenia] [Meliaceae]. Maiden, J. H. 

 The f st flora of New South Wales. 

 Pt. .V. No. 55. Sydney, N.S.W., 

 19 ., (89-101). 



[Oxalis] [Geraniaceae]. Molisch, H. 

 Berlin, Ber. D. bot. Ges., 22, 1904, 



(372-376). 



Resdle, a. B. 



J. Bot., London, 42, 1904, (334). 



, Yabe, Y. 



Tokyo Bot. Mag., 18, 1904, (7-14). 



[Oxybaphus] [Nyctagineae]. Cdod.^t, 

 R. et Wii.czEK, E. Geneve, Bui. Boissier, 

 (ser. 2), 2, 1902, (538-539). 



[Oxycoccus] [Ericaceae]. Making, T. 

 Tokyo Bot. Mag., 18, 1904, (14-24). 



[Oxypetalum] [Asclepiadeae]. Chodat, 

 R. et Has.sler, E. Geneve, Bui. 

 Boissier, (ser. 2), 3, 1903, (239-241). 



Malme, G. 0. A. 



Ark. Bot., Stockholm, 3, 1904, (19). 



[Oxypolis] [Umbelliferae]. Small, 

 J. K. Flora of the southeastern United 

 Slates. New York, 1903, (xii + 1370). 



[Oxystelma] [Asclepiadeae]. Cooke, 

 T. Flora of the Presidency of Bombav. 

 Vol. 2. London, 1904, (153). 



[Oxjrtlieca] [Polygonaceae]. Hall, 

 H. M. Berkeley, Univ. Cal. Pub. Bot., 

 1, 1902, (1-140). 



[Pacbyloplius] [Onagrarieae]. Nelson, 

 A. New York, X.Y., Bull. Torrev Bot. 

 CI., 31, 1904, (239-247). 



[Pacliysandra] [Euphorbiaceae]. 



IIayata, E. Tokvo, J. Coll. Sci., 20, 

 Art. 3, 1904, (1-92) (Latin). 



[Pachystima] [Celastrireae]. Fare, 

 E. M. Philadelphia, Cont. Bot. Lab., 

 Univ. Pa., 2,1904,(417-425). 



[Padus] [Rosaceae]. Small, J. K. 

 Flora of the southeastern United States. 

 New York, 1903, (xii -1- 1370). 



[Paederia] [Rubiaceae]. Greenman, 

 J. M. Cambridge, Mass , Cont. Gray 

 Herb., Harvard Univ., (N. Ser.), No. 25 ; 

 in Boston, Mass., Proc. Anier. Acad. 

 Arts Sci., 39, 1903, (67-120). Separate. 

 24.5 cm. 



