Lyngbya | \\i. i.ym.m b b i W< 
PDNGO ANDONGO. — lilt' l 
.March 1857. No. 9. 
I. L. versicolor Oomont, I.e., 117, i. I. fig. : 
W. el <:. s. West, I.e. 
Pliormidium versicolor Wartm. (1861 
Mossamedes. Ad ripas limosas Hum. Bero pr. Cavalheiro 
1 s.V.i. X... 175. 
3. PHORMIDIUM K it/. (1843). 
1. P. subsolitarium W. el G. 8. Wesl in Journ. Bol 1897 
Pungo Andongo. — Iii Batrachospermo gracillimo ad lapides sob 
mersas in rivulo de Praesidii ; May 1867. No. 3. 
The moniliform cells and the delicate hyaline sheath place tliis plant 
in the genua /' 01 ■. although tin- plants often occui singly. 
The elliptic cells and Bubsolitaty halm characterise the sp 
2. P. angustissimum W. el 6. 8, Wesl La Journ. Bot. 1897 
p. 298. 
M — lmedes. [nter Glceotrichiam cethiopi ■ inrivo 
» aroca prope Cabo Negro ; Sept. 1859. No. 19. 
Pitngo Andongi >. — Inter Nostoc rtpanium ad rap \ alcan 
Praesidii prope Cabondo tempore pluvio ; Feb. 1857. No. 21. 
This narrow species is nearest t<> /'. laminosum (Ag.) Gtomont. but 
it is distinguished by its much narrower trichomes, which are con 
stricted at the dissepiments, and its usually much longer cells. 
•".. P. laminosum Gomonl in Journ. de Botaniq. iv. 355 1 1890) ; 
in Ann. Sci. Nat. 7 serie, Bot. xvi 1G7 8, t. I. f. 21, 22 | 1892) ; 
G. S. West, l.c, {.. 299. 
OsciUatoria laminosa Ag. in Flora, x. 633 | L827). 
Golungo Alto. — Ad terram limosam post pluvias; Dec. 1855 
No. 166. 
I. P. Corium Gomonl inJourn.de Botaniq. iv. :;*;.") ( Iv.xi) : j,, 
Ann. Sci Nat., I.e., L72 3, t. 5,f. 1,2(1892); W. etG. S. West, i.e. 
OsciUatoria Corium Ag. Dispos. Algar. Sure. 36 (1812). 
Sierra Leone. — Cum OsciUatoria animali ad parietee humid, 
verticales urbis Freetown freq. latissimis plagis atro-nitentibua parietes 
.bducens : Sept. 1853. No. 167- 
"». P. papyraceum I k>mont in Journ. de Botaniq. iv. ::.".:> ( 1890) : 
in A.m. Sci. Nat.. /.<:. 17:; :>. fc, ;,. f. :;. I (1892); W. i 
West, l.c. 
OsciUatoria papyracea Ag. Syst. Algar. »'>1 i I - 
Sierra Leone. — Ad muscos (hepaticas) humidos in domicil. 
parietibus rerticalibus urbis Freetown frequena tempore pluyio 8< pi 
1853. No. 174. 
»'>. P. Retzii Gomonl in .lourn.de Botaniq. iv. 355 (1890); in 
Ann. Sci. Nat.. I.e., 175 3, I 5, f. 6, 9 (1892); W el <:. s. 
West, l.c. 
OsciUatoria Retzii Ag. Dispos. Algar. Sure. 36 (1812). 
l'i \i..i Andongo. Ad muscos ( Jungermannias) snbmersas in rirulo 
Tangue pr. Catete ; Ufa; 1857. No 165. 
