226 
parvulum Nag., Gatt. Hinz. Alg., p. 106, Pl. 6-¢., -f. 2) 1849. 
incurvum Bréb., Liste, p. 150, Pl. 2, £. 47; 1856: 
' Jenneri Ralfs, Brit: Desm., p- 167, Pl. 28, £ 6; 1848:- 
*Tunula (Miill.) Nitzsch, Beitr. z. Infus., p. 60, 67, ‘I8l7; (Miller: i) 
var. Mourense mihi. 
- (Cl. Mourense Playf., Desm. Ms, W:, p. 164, Pl. 2, f 1, 1907. 
an pee eu (Bernard) Playf., Some Sydhey Desm., p. 605, Pl. 11, 
. 2, 1908. ; 
hee peteente v. palustre Playf., Frw. Alg. Lismore, p. 319, Pl. 41, f. 7, 
; 5. 
var. australe Playf., ibid., p. 319, 1915) — 
acerosum (Schrank) Ehr., sande Phys: Phyt: pet ind 1828; (Schrank 
1803.) ns 
var lanceolatum (Kiitz.) Playf., Biol. isteitian R.;, p. 100, 1914. 
(Cl. lanceolatum Kiitz., Phyc. Germ., p. 130, 1845.) 
var. Casinoénse Playf., Biol. Richm. R., p. 101, Pl. 3, f. 5, 1914. 
var. Angolense W. & GS: West; Welw. Afric. Alg., p. 79, 1897. 
prelongum Bréb., Liste, p. 152; Pl. 2, f. 41, 1856. 
f. brevior W. West, Add. Frw. Alg, W. York. » p- 244, 1891. 
(Cl. prel: v. strigosum Playf., Sonre Sydney Desm:, Pl. 11, f. 3, 
1908.) 
Brébissonii Delp., Desm. Subalp., p. 111, PL 18, £20, 21, 1877. 
tumidum Johnson, Rare Desm: U.S., p. 291; Pl! 2397 f. 4, 1895. 
cornu Ehr., Beitr. z, Kenntn. d. Infus., p: 62, 1830. 
. gracile Bréb., in Cheval. Microse., p. 272; 1839. 
var. eS W.& GS. West Brit. SESin i, p. 168, PL: al, f 14-16, 
191 
var. bicurvatum (Delp.). iste 
(Cl. bicurvatum Delp., Desm., subalp. p. 112; PL 18} f: 37239, 
1877.) 
var. tenue (Lemm.) W. & Ge: 8. West, Fw. Alg, Sayin: pe ae Pl. 18, 
£. 22; 93, 1902: on 
var. substrigosum- (Rae:) mihi. 
*(CI. macilentum v: substrigosum Rho. Desay Clast., Be 3659, Pl. 6, 
£38, 18922) 
(Cl. substrigosum W. & G. Ss. West, “Ate Bunnah, p 191, PI. 13, 
£5.19, 1907,) 
acutum (Lyngb.) Bréb., in Rallis Br. Desm.,. p. Ww, »PE780,, £:.5, 1848; 
-(Lyngh..1819), 
“var Hae (Perty) W. & G. 8. West, Brit. Desm., i, D. 178, Pl. 23, teal bs 
19 
(Cl. linea Perty, Kleinst Lebensf. Schweiz, ie 205; ‘PI. 16; f. 20, 
; 1852.) 
idiosporum W. & G. §. West, Notes on Alg, ii, P: 290; PI, 412, f. 6, 7, 
1900. = 
aciculare Taffen West, Rem. Diat. Desm., _p: 153; PE?) £16, 1860. 
var, ser oiee W: & G: S} West, Brit: Desm:, Ht D: pacts 23; f. 4, 5, 
1904 
abenptumx. are & GS. West, ibid., i, p, 180: pHagyeny, 12, 1904, 
pygmeum Gutw., Wahr. d. Prioritit, p. 65,1890, 9 
