180 MORPHOLOGY AND TAXONOMY, ALGAE [BoT. Absts., Vol. VIII, 



1248. Saxtvageatj, C. Nouvelles observations sur I'Ectocarpus Padinae Sauv. [New 

 observations on Ectocarpus Padinae Sauv.] Compt. Rend. Acad. Sci. Paris 171: 1040-1044. 

 1920. — A study of the reproductive structures of this parasite of Padina Pavonia reveals 

 three sorts of plurilocular structures, namely, the megasporangia, the meiosporangia, and the 

 antheridia. The meiosporangia and the megasporangia both produce spores which develop 

 into plants directly. The spores of the megasporangia vary from planospores to aplano- 

 spores. These germinate without fecundation and hence the sperms are useless structures 

 with no function in the life-history of the plants so far as is known. There are some indica- 

 tions that Acinetospora pusilla and Ectocarpus Padinae are different phases of the same 

 life cycle, just as has been found in the Cutleriaceae and other families of the brown algae. — 

 C. H. Farr. 



1249. Schroder, B. Die neun wesentlichen Formentj^pen von Ceratium hirundinella 

 O. F. Mtiller. [The nine fundamental form-types of Ceratium hirundinella.] Arch. Natur- 

 gesch. Abt. A. 84: 222-230. Fig. 1-9. 1918 [1920].— The author distinguishes, describes, and 

 figures 9 forms falling within the limits of this species and discusses briefly types intermediate 

 between these forms. — C. E. Allen. 



1250. Schroder, Bruno. tJber Seeballe. [Concerning Pondballs.] Naturwissen- 

 schaften 8:799-803. 1920. — The curious spherical growths of the algae Aegagrophila, 

 Spongomorpha, Valonia, Lithothamnium, and Rivularia, as well as similar balls of animal 

 origin are discussed in the above article. — 0. L. Clark. 



1251. Setchell, William Albert, and Nathaniel Lyon Gardner. The marine 

 algae of the Pacific coast of North America, Part 1, Myxophyceae. Univ. California Publ. 

 Bot. 8: 1-138. PI. 1-8. 1919.— The first part of the Marine Algae of the Pacific Coast of 

 North Amerida, comprising an accdunt of the Myxophyceae, or blue-green algae, |is pre- 

 sented by the authors without introduction or explanation, pending the publication of the 

 other 3 parts. This part, otherwise, is complete in itself except as to an index. It has de- 

 scriptions of the subclass, orders, families, genera, species, etc., together with citations of 

 the literature, keys, distributional and critical notes. It contains no new species or new 

 names. — W. A. Setchell. 



1252. Setchell, William Albert, and Nathaniel Lyon Gardner. The marine 

 algae of the Pacific coast of North America, Part II, Chlorophyceae. Univ. California Publ. 

 Bot. 8: 139-374. PI. 9-SS. 1920.— This is the 2nd part of the account of the Marine Algae 

 of the Pacific Coast of North America, issued by the authors under the same conditions and 

 in the same form as the first [see next preceding entry]. It contains no new species or new 

 names. — W. A. Setchell. 



1253. Setchell, William Albert, and Nathaniel Lyon Gardner. Phycological 

 contributions, I. Univ. California Publ. Bot. 7: 279-324. PL 21-31. 1920.— The following 

 new genus, new species, and new combinations are proposed: — Hormiscia doliifera sp. nov., 

 Spongomorpha Mertensii (Rupr.) comb, nov., Capsosiphon fulvescens (Ag.) comb, nov., 

 Enteromorpha groenlandica (J. Ag.) comb, nov., Monostroma areolatum sp. nov., Ulva steno- 

 phylla sp. nov., U. vexata sp. nov., U. angusta sp. nov., U. lobata (Kuetz.) comb, nov., U. 

 expansa (Setch.) comb, nov., U. dactylifera sp. nov., U. taeniata (Setch.) comb, nov., Pra- 

 siola nevadensis sp. nov., P. meridionalis sp. nov., P. delicata sp. nov., Entocladia cingens 

 sp. nov., E. codicola sp. nov., Intemoretia gen. nov., /. Fryeana sp. nov., Pseudulvella 

 prostrata (Gardner) comb, nov., Ps. applanata sp. nov., Ps. consociata sp. nov., Pseudo- 

 pringsheimia apiculata sp. nov., Gomontia Bornetii nom. nov., G. habrorhiza sp. nov., and 

 G. caudata sp. nov. — W. A. Setchell. 



1254. Smith, Gilbert Morgan. Phytoplankton of the inland lakes of Wisconsin. I. 

 Myxophyceae, Phaeophyceae, Heterokonteae, and Chlorophyceae exclusive of the Desmidiaceae. 

 Bull. Wisconsin Geol. Nat. Hist. Survey 57. 243 p., 51 pi. 1920. — A detailed description of 



