240 CONTBIBUTION8 FROM Mil NATIONAL HERBARIUM. 



p. Brit. 1 ' I - •• I -w in, 



Phila. 1861: :i 184 

 1/ i .ii. Vbh. Schl Gi Vaterl.-Cult. 1862:11 pi / I i 



t Heih ki ' I >\ ere, I fonske I >ia< 33 



- Vet. Ucad. Sand] 1 : : L873. DeToni, Syll. Ug. 

 2: 1349. L894 Schmidt, Atlas pi. / 



L892 Pant. Beitr. Bacill. LTng. 2: 80. pi. U 

 Grun Denkschr. Akad. Wien 48*: 93. pi. 1884. 



• < I'Meara, Proc. Roy. Irish \.cad. I!. 2: 252. If 

 Found ;n stations 2823, 3694H, Gulf of California and ( tkhotsk - 

 Meloaira undulata Ehrenb.) Kiitz. Bacill. 54. pi. ,f.9. 1844. Van Heur. Synop. pi. 

 ■ L881. Pritch. Bist. Infus. ed. I. 819. L861. DeToni, Syll. Alg. 

 2: L339. L894. Schmidt, Atlas pi. 180. f. 1 U. 1892. Wolle, Diat. N. A. pi. lit. 

 Pant. Beitr. Bacill. Ung. 3: pi. S.f. ;;. pZ. 

 Gallionella undulata Ehrenb. Ber. Akad. Wiss. Berl. 1840: 17. L841; Mikrog. pi. 12. 



' X5A. f. 3a ■•'■ . L854. 

 \felosira pui R Lfe; Pritch. Bist. [nfus. ed. I. 819. L861. 



Gallionella punctigi a Ehrenb. Ber. Akad. Wiss. Berl. 1842: 339. 1843; Mikrog. 



pi. : pi. t5B.f. '-. L854. 



\felosi '/ undulata var.?) normanii Arnott; Van Beur. Synop. />/. 90 / . 1881. 

 .I/-/.. Schmidt, Atlas />/. name in />/. 777, footnote; -•••■ : il~.. 



/>!. 180./. :/. remark). L892. 

 Aa !»'• Toni indicates, n i- questionable aboul including here <;<il/i>>m Ihi punctata 

 Ehrenb. 

 Found ;ii stations 2680H and 2866, off central California and British I 'olumbia. 



PODOSIRA Ehrenb. 



Podonra Ehrenb. Ber. Akad. Wiss. Berl. 1840: L61. L841; Phys. Abh. Akad. Wiss. 

 Berl. 1839: L58. L841. Rabh. Fl. Eur. Alg. 1: 7,37./. 9. L864. Pritch. Bist. 

 [nfus. ed. I. 817. L861. De Toni, Syll. Alg. 2: L360. L894. Van. Beur. Treat. 

 Diat. 1 17. L896. Kiii/. Bacill. 52. L844. Cleve & Grun. Sv. Vet. Akad. Bandl. 17*: 

 L15. L880. Petit, Fonds de la M< r 3: L72. L877 nil. Byalodiscus Castr. 

 Rep. Voy. Chall. Bot. 2: L09. L886. W. Smith, Synop. Brit. Diat. 2: 52. 1856. 

 Cyclotella Km/. Bacill. 50. pi. /../'. //. ///. L844, in part. 



Hyalodiscus Ehrenb. Ber. Akad. Wiss. Berl. 1845: 78. L846. Van Beur. Synop. 

 213. L881; Treat. Diat. 148./ 178. L896. Pritch. Bist. [nfus. ed. I. 814. L861. 

 Petit, Fonds de la Mer 3: 1.72. L877. Cleve & Grun. Sv. Vet. Akad. Bandl. 

 17 : in,. I— i). Castr. Rep. Voy. Chall. Bot. 2: L39. L886. De Toni, Syll. Alg 

 2: L365. I v. I. 



pedodiscus Ehrenb. Mikrog. pi. S5A, XXIII. f. 6; pi. 85B.f. 11. L854, in pari. 

 Mdosira I \- in part; II. L. Smith, The Lens 1: 87. L872. Lagers. Bih. Sv. 



Vet. Akad. Bandl. 3«: 9. pi. /../". 1. L876. 

 Pyxidicuta Ehrenb. in part; O'Meara, Journ. Linn. Soc. Bot. 15: 58. pi. t.f. 9. 



L876. 

 Actinocyclus Ehrenb. in part; Grun.; Van Beur. Synop. pi. 118. f. 5. L881. 

 Byalodiscus and Podosira lia\<- become indistinguishable, and in uniting them ii is 

 preferable to retain the older name, both from its clear right of priority and the mis- 

 leading meaning of Byalodiscus, none of the species being hyaline. Many authors 

 recognized the unity of these forms. Castracane unites them, but under the 

 later nam''. Byalodiscus. II. L. Smiili went bo far as to unite both under M« l< Bira 



Phys. Abh. Akad. Wiss. Berl. 1870: 56. 1871. 





