376 XX. vAGiNARiE^ (West). [Mici-ocoleus 



4. MICROCOLEUS Desmaz. (1823). 



1. M. vaginatus Gomont in Journ. de Botaniq. iv. 353 (1890) ; 

 in Ann. Sci. Nat. 7^^ serie, Bot. xv. 355-8, t. 14, f. 12 (1892). 



Oscillatoria vaginata Vauch. Hist. Conferv. 200-1, t. xv. f 13 

 (1803). 



Var. monticola (Kiitz.) Gomont in Ann. Sci. Nat., I.e., 356 

 (1892) ; W. et G. S. West in Journ. Bot. 1897, p. 272. 



PUNGO Andongo. — Inter Porphyvoaq^hnnem Notarmt et Lynghyavi 

 (urugineo-ea;ruleam, prope Condo ; March 1857. No. 9. 



2. M. soeiatus W. et G. S. West in Journ. Bot. 1897, p. 272. 

 HuiLLA. — Inter Scliizotrichem natantem et M'/crosporam Lofgrmii. 



in uliginosis editioribus prope Humpata, Empalanca et LopoUo ; 

 May 1860. No. 15. 



This differs from M. lacustrls (Rabenh.) Farlow in its narrower 

 trichomes with cylindrical cells, its acutely conical apical cells, and in 

 its firmer sheaths. 



XXI. LYNGBYE^. 



1. SYMPLOCA Kiitz. (1843). 



1. S. Muscorum Gomont in Journ. de Botaniq. iv. 354 (1890) ; 

 in Ann. Sci. Nat. 7*^ serie, Bot. xvi. 110-12, t. 2, f. 9 (1892) ; W. 

 et G. S. West in Journ. Bot. 1897, p. 297. 



Oscillatoria Muscorum Ag. Syst. Algar. 65 (1824). 



(a) Crass, tricli. 5 "5-6 /x. 



LoANDA. — Ad terram humidam urbis Loandse, tempore pluvio ; 

 April 1854. No. 161. 



(/?) Crass, trich. 8-9 />t. 



HuiLLA. — Alga atro-viridis, viscoso-gelatinosa, exsiccata fere peni- 

 cilliformis, inter muscos (Bryum 1^1 o. 25) texta, in maxime umbrosis ; 

 Morro de Monino ; Feb. 1860. No. 181. 



2. LYNGBYA C. Ag. (1824). 



1. L. aureo-fulva W. et G. S. West in Journ. Bot. 1897, p. 298. 

 PuNGO Anoongo. — Freq. in humidis ad dextram flum. Cuanza ex 



Candumba usque Quisonde ; March 1857. No. 10. " Alga terrestris, 

 in vivo aureo-fulva vel flavescens, membranis spongiosis latissimis 

 graminum csespitibus intertexta, Droseraceis et Eriocaulonaceis solum 

 spongiosum offerens." 



2. L. Martensiana Menegh. Conspect. Algol. Eugan. 12 (1837) ; 

 Gomont in Ann. Sci. Nat. 7° serie, Bot. xvi. 145-6, t. 3, f. 17 

 (1892) ; W. et G. S. West, I.e. 



GoLUNGo Alto. — Ad muscos prope fontem magn. ad BaD9a do 

 Sobato de Bango ; Sept. 1855. No. 159. 



LoANDA. — Cum SyiHploca Afuscorum ad terram humidam urbis 

 Loandte, tempore pluvio ; April 1854. No. 161. 



3. L. aerugineo-cserulea Gomont, I.e., 146-7, t. 4, f. 1-3 (1892) ; 

 W. et G. S. West, I.e. 



Oseillaria cerugineo-eoiridea Kiitz. Phyc. Gener. 185 (1843); 

 Tab. Phyc. i. (1845-9), 28, t. 39, fig. ix. 



