230» 
var. Mobiusii (Borge) Playt., ibid.,p..610, - 
(Mer. Mobii (Berge) W. &'G. 8. West, Journ. Linn. Soc., xxxiii, 
p. 162, 1897.) peaks Ss 
(Hu. verrucosum v. Mbbii Borge, Austr. Stissw., p. 18, Pl. 2, 
-£.18, 1897.) 
var. Auburnense Playf., Some Sydney Desm., p. 611, Pl. 12, f. 2, 
1508s8 25 j a i 
var. simplex Playf., zbid., p. 612, 1908. 
var. Crux-australis (Rac.) Playt., dbid., Pl. 12, £..4, 1908? 
~*(Hu, verrucosum var., Rac., Desm. Ciast., Pl. 2, f. 26, fig. sinistr., 
1892.) 
“f. intermedia: Rac., ibid,, p. 18. 
*f, evoluta Rac., aid., p. 18, Pl. 7, £. 26b. 
rostratum v. premorsum Nord., rw. Alg. .N.Z., p. 34, Pl. 3, £..7, 1888. 
sphyroides Nord., 2béd., p. 32, Pl. 3, f{. 3, 1888. 
Micrasterias Ag.,in Flora, p. 642, 1827. 
ee (Corda) Bréb., in Ralfs. Brit. Desm., p. 75, Pl. 8, f. 4; Pl. 10, 
. 5, 1848. 
var. decemdentata (Nig.) Playf., Some Sydney Desm., p. 608, 1908. 
(Micr. decemdentata Nag., Gatt. Hinz. Alg., Pl. 6, f. 2, 1849.) 
var. australica Playf., Some Sydney Desm., p..608, PI. 11, £6, 1908. 
var. laticipiformis Playf., cbid., Pl. 11, £8, 9, 1908. 
var. Upsaliensis (Cleve) mihi. 
(M. decemd. V. Ups. Cleve, in Lundell, Desm. Suec., p. 16, Pl. 1, 
£.°7, 1871.) pred 
incisa Bréb., in Chevalier Microsc.., p. 171,:1839. 
crenata Bréb., in Ralfs Brit. Desm., p. 75, Pl. 7, f. 2: Pl. 10, £. 4, 1848. 
Jenneri Ralfs, cbid., p. 76, Pl. 11, £. 1,1848. — Nad Forest alt et 
var. Braziliensis Borgesen, Desm. Braz., p: 32, Pl. 3, f. 13, 1890. 
tsuboblonge Nord., Fry. Alg. N.Z., p. 78, Pl. 2,f. 18, 1888. _ 
denticulata Bréb., Alg. Falaise, p. 54, Pl. 8, 1835. ; 
rotata (Grev.) Ralfs. Ann. Nat. Hist., xiv, p. 259, Pl. 6,4. 1,.1844; (Grev. 
1833). . | ee 
Thomasiana Arch., Proc. Dublin Nat. Hist. Soc., p. 72, PI. 2;f..1-5, 1862. 
var. Schweinfurthii (Cohn) mihi. mit be 2 
(M. Schweinfurthii Cohn, Desm. Bongo., Pl. 11, f. 2, 1879.) - 
-papillifera Bréb,, in Ralfs Brit. Desm., p. 72,°P)..9,-£..1, 1848. 
_ var.evoluta Nord., Frw. Alg. N.Z., p..29, Pl. 2, f. 14,1888. 
subdenticulata (Nord.) mihi. ; 
(M. Jenneri var. subdenticulata Nord., zbid., p. 30, Pl. 2, f. 15, 1888. 
apiculata (Eln.) Menegh., Syn. Desm., p. 216, 1840. (Not noted.) 
var. brachyptera (Lund.) W. & G. 8S. West, Brit. Desm. ii, p. 101, Pl. 
-46, 1.5, 1905, 3 
(M. brachyptera Lund., Desm. Suec., p. 12, PI. 1, f. 4, 1871.) 
sol (Hhr.) Kiitz., Spec. Alg., p. 171, 1849. 
- (Eu. sol Ehr., Verb. u. Hinfl. mikr. Lebensf., p. 413, Pl. 4, f. 16, 1841.) 
(M. radiosa Ralfs, Brit. Desm., p. 72, Pl. 8, f. 3, 1848.) 
- foliacea Bailey, in Ralfs Br. Desm., p. 210, Pl. 35, f. 3, 1848. 
Mahabuleshwarensis Hobson, Q.J.M. Sci., p. 168, c. icon, 1863. 
var. ampullacea (Mask.) Nord., Frw. Alg. N.Z., p. 30, Pl. 2, f.. 16, 1888. - 
euastroides ® indivisa Nord., ibid., p. 31, Pl. 2, f. 17, 1888. 
tropica Nord., Desm. Braz., p. 219, Pi. 2, £. 15, 1870. ss 
alata Wallich, Desm. Low. Bengal, p. 279, Pl. 13, f. 11, 1860. 
