82 W. B. TURNER, FRESH-WATEK ALGiE OF KAST INDIA. 



31. E. substellatum, Nordst. (Alg. ei Char. p. 7, 1. I. f. 12. 1880) forma Bensalensis. 

 Angustior (a fronte) et crassior quam t', tvpica. 



Long. 52, lat, 46, lat isth. 12.5, lat. lob. pol. 18, crass. 22 /u. T. X, f. 32. 

 This scems to be an oriental species, the original being found in Utricularia 

 flexuosa (herb. Blume) from Ja.va. 



F. typica, from Utricularia sp., from Khasia, comm. G. v. L. 

 Long. et lat, 48 [t. 



32. E. micracanthum, n. sp. E. sub-mediocre, circ. tertia parte longius quam latum; trun- 

 eato-ovale; semieelluke truncato-pyramidatse, c basi attenuatse, apice truneato-rotun- 

 datae; tumoribus 8 (4 lateralibus, 2 apicalibus et 2 lobum polarem versus) orijatae; 

 lateribus basi acute rotundatis, tridentatis, supra emargmatione bidentata, obsessis; 

 apicibus paullo protentis, incisis, angulis recurvatis bidentatis (fere ut rostello avis 

 aperto; membrana reliqua glabra; sinn lineari, extrorsum parum aperto. Semicellula 5 

 cum vel sine inflatione centrali. A latere modice constrictum ; semjcellulac basi tumidae, 

 supra sub-rectre, apice truncata'. 



Long. 45, lat. 32, lat, isth. 9 fi. T. X, f. 33. 



Probably nearest to E. Nordstedtianum, Wolle; cfr No. 48 seq.; from wfoich it 

 (biters in the emargination of the sides and in the base of polar lobes being almost 

 unconstricted. 



33. E. acanthopleurum, n. sp. E. parvum, quinta parte longius quam latum, quadraticum; 

 semicellula^ quadratae, basi inflatap, rotundatae, apicem versus paullo contractae; angulis 

 totis bidentiferis, dentibus brevibus, apicibus truncatis, cuneate incisis; quaque semi- 

 cellula tumoribus parvis (1 centrali (sa>pe carente), et 4 marginalibns) ornata: reliqua 

 membrana glabra; sinn lineari, externe parum aperto. 



Long. 20, lat. 16, lat, isth. 5 [t. T X, f. 46. 



Near to Eu. dentic.ulatum (Kirch.) Gay; Eu. binale fi denticulatum Kikch.; Gay, 

 Not, p. 335, = E. amosnum, Gay (Conj. p. 53, t. 1, f. 7), but differs both in the la- 

 teral outline and the ornamental tumours. 



34. E. Candianum, Delp. (I)esm. Sub-alp. p. 95, t, VI. f. 11 — 12) var. munituni, n. v. 

 E. parvum, margine spiculiferuin; utroque apice 6, utraque latere (super lobum basa- 

 lem) 3, spiculis parvis munituni. Minns, tertia parte, quam species Italica. 



Long. 20, lat, 7.5, lat, isth. 5 ju. T. X, f. 40. 



35. E. acanthophorum, n. sj>. E. parvum, circ. quinta parte longius quam latum; semi- 

 celluhc truncato-pyramidatae, basi et apice infläta?; lobis basalibus rotundatis tri-den- 

 tatis; apicibus paullo protentis rotundatis, cuneate fissis, angulis quoque latere expanso- 

 bidentatis, et marginem apicalem versus sj)inula brevi erecta munitis; membrana glabra?; 

 sinn profundo, lineari, extrorsum aperto. A vertice et a. latere non observatum. 



Long. 34, lat. 27, lat, isth. 8 /u. T. X, f. 53. 



Species inter E. binale (Tukp.) Ralfs, et E. cuspidatum Wolle (Desm. U. S. 

 p. 105, t. XX VII, f. 32). 



36. E. declire, Roy (in Flora of Leicestershire, Batf.s' List of Alga\ p. 35 (separ.), 1886; 

 Euastrum elegans Bréb. forma declivis Reinsch Gen. Alg. Fung. p. 124, t. XX d, f. 

 1—3, 1H66). 



