FBESH-WATEB ALGJE PBOM BUEMA,
W. ^ G. S. West, Desm. Singapore.—^. West and G. S. West, Desmids from
>To. Journ. Linn. Soc. bot. xxxiii, 1897.
JF. ^ G. S. West, Alg. S. England.—West and G. S. West, A Contribution
to tlie Fresh-water Algse of the South of England. Journ. Roy. Micr. Soc. 189T.
W. & G. S. West, Some Desm. U. S.—Vf. West and G. S. West, Oq some
Desmids of the United States. Journ. Linn. Soc. bot. xxxiii, 18J8.
W. ^ G. S. West, Obs. on Oon/.—W. West and G. S. West, Observations on the
Conjugat®. Ann. Bot. xii, 1898.
W. ^ G. S. West, i^otes Alg. J — W . West and G. S. West, Notes on
Fresh-water Algte. Journ. Bot. I, xxxvi, 1898 ; II, xxviii, 19li0 ; III, xli, 1903.
W. ^ G. S. Wesi, Fmhw. Clorophy. Koli Ckang.—'W. West and G. S. West in
Johs Schmidt's Flora of Koh Chang, Gulf of Siam, part iv. Botanisk Tidsskrift,
xxiy, 1901.
W. G. S. West, Frcshw. Alg. Ceylon.—^. Wost and G. S. West, A Contribution
to the Fresli-water Algce of Ceylon. Trans. Linn. Soc. bot. ser. 2, vi, 1902.
G. S. Wesi, Variation Dcsm.—d. S. West, On Variation in the Desmidie®,
and its Bearings on their Classification. Journ. Linn. Soc. bot. xxxiv, 1893.
G. S. West, Treat. Brit. Frcsh-wai. Alg.—Q. S. West, A t r e a t i s e on the British
Fresh-water Algje. Cambridge {Univ. Press), 1904.
WiUc, Freshw. Alq. Kov. Sarilj.—^. Wille, Ferskvandsalgcr fra Novja Semlja
samlede af Dr. F. Kjellman paa Kordenskiold's Expedition 1875. ofvers. K. Vet.-
Akad. Fbrh. 187C, No. 5.
WilU, ISydarnerik. Algfl.—'ii. Wille, Bidrag til Sydamerikas Algflora. Bih. till
K. Sv. Vet.-Akad. Eaod). viii. No. 18, 1884.
Wittr. Gotl. 01. sdlv. Alg.—Y. B. Wittrock, Om Gotiands och Olands sbtvattensalger.
Bih. till K. Vet.-Akad. Handl. i. No. 1, 1872.
Witir. Prodr. M^mgr. (Eiog.—Y. B. Wittrock, Prodromus Monograph!® Oedogoniearum.
Act. licg. Soc. Sciont. Upsala, sec. 3, vol. ix. 1874.
Wittr. ^ Nordsi. Alg. Ezsic.—^. B. Wittrock and 0. Nordstedt, Algje aquie
dulcis exsiceatee. Fasc. 21.
Woile, Desm. U. S.—F. Wolle, Desmids of the United States and list of
American Pediastrums. Bethlehem, Pa. 1834.
Wood, Freshw. Alg. N. Amer.—E,. C. Wood, A Contribution to the History of the
Fresh-water Algje of N. America. Smithson. Contrib. Know), xix, No. 241, 1874.
DESCRIPTION OF PLATES.
( E x p l i c a t i o iconom).
a, a', a'=cellula vel semioellula a fronte visa.
^ = » „ a vertice visa.
" = „ „ „ a latere visa.
ä =seinieelliila a basi visa,
PLATE X.
Pig. 1-4. Eerposieiron con/ervicola Näp. x 520. The bristles are broken o3 near the base as
is usual in preserved epeoimens of this speoies. an, antheridium; oo, oogonium;
oo', oogonium from whích the oosphere has esooped.
„ 5. Zygnema éponianaum Nordet. x520.
6-8. Spirogyra decimina (Müll.) Kütz. var. plena var. n. x520,
9-10. „ orMi, sp. n. x 520. 9, vegetative cell; 10, three female gametangia
with zygospores.
„ 11-13. „ .p. X520. 11, ™g,htive oell; 12 .„d 13, poti™, of oonra.
gating filaments.
„ 14-15. Movgeotia parvula Hass. var. eUipmdea var. n. x62l).
„ 16-19. „ producía Bp. n. x 520.
PLATE ST.
1-2. ffilfo,»»,,, Kirin. x.?20. antlieridiam: o., oo-onium
3-9. F-rf-m ,p. n. 3.5, xl20; 8 and 9. x520. o„, .nth.rid,™,
developing antheridium; », oogoninm; developing oogonium; /i, frn.tif.ro™
l1i-,1 ^. nOp7n'"ioTcy lium '''eTh^iii'r"af um sp. n. x 620. ""••'"''"•«i »S»" "«. '«P. oosper..
„ cochleare A. Br. forma, x 520
H-ie. .p. n. Three isoMed a compact, suh.otund
17^21. Uroooocu. tropicus sp. n. x 520. 17 and 18, you.g plants; 19-21, older plants.
Fig. 1-4.
5.
6-7.
8-10.
11-15.
PLATE SII.
Hynloihí'ca Burmensh sp, r . x 520.
Demidium Aptogouum Bréb. var. tetragonum W. & Q. B. West. x520.
OnpcAonema comjjacium gp, n. x 520.
to. Nord.l. x520. 9 and 10, «jgeepor.» (f) „t larger torn, than
fig. 8.
E,aha,ca ,IMU„„ (Sm.) Br¿b. x620. li, vegetativ, filament wilh v.rtie.I vie»,
of forma bidnluh (fg. 11 J); and forma trkIM, (8, 11 f ) . ij^i.j
.howing formation oí aplano.pon» in th. f,.., di.íoeiat.d celi api. .pl'.no.nor.'
Commm iwhondnn W. 4 Q. S. West var. mbhmgom.in v.r. n. x 520
nbprohbera,« W. & G. 8. West var. mi,,,««™, v,r. n. x620.
„ subcreaaitim Hantzseh forma x 520.
Ann. Eov. Boi. Gard. Ca l c i u t a Von. VI.