Hildenbrandtia] ii. hildenbrandtiace^ (West). 331 



2. H. angolensis Welw. ex W. et G. S, West in Journ. Bot. 

 1897, p. 3. 



GoIjUngo Alto. — ^Ad silioes in rivulis sylv. primit. de Qnibanga 

 pr. Sange ; June 1857. No. 150 (I. and II.). Welwitsoh remarks that 

 the rocks were of a most beautiful rose-colour for half an hour's walk 

 along the stream. 



CHL OR OPHYCEyE. 

 III. (EDOGONIACBtE. 



1. BULBOCHJETE Ag. (1717). 



1. B. angulosa Wittr. & Lund, in Wittr. Prodr. Monog. CEdog. 

 45 (1874) ; W. et G. S. West in Journ. Bot. 1897, p. 4. 



HuiLLA. — In paludibus exsiccandis ; April 1860. No. 176. 



In these African plants the oogonia were under the androsporangia 

 and were rotundo-rhomboid, with the superior margins straight (not 

 retuse) ; the nannandria were not epigynous, but scattered. 



2. (EDOGONIUM Link (1820); Wittr. em. 



1. (E. cryptoporum Wittr. Dispos. CEdog. Suae, 19 (1870); W. 

 et G. S. West m Journ. Bot. 1897, p. 4. 



LOANDA. — Bepresa do Maghelano pr. Boa vista ; Feb. 1854. No. 194. 



2. (E. crispum Wittr. Prodr. Monog. CEdog. 10 (1874). 



Var. uruguayense Magn. k WUle, Bidrag til Sydamerik. Alg.- 

 fl. 39, t. ii. fig. 63 (1884) ; W. et G. S. West in Journ. Bot. 1897, p. 4. 



LoANDA. — -Represa do Maghelano pr. Boa vista, c. CE. cryptoporo ; 

 Feb. 1854. No. 194. 



3. (E. gracilliniTini Wittr. & Lund, in Wittr. Prodr. Monogr. 

 CEdog. 15 (1874). 



Forma major W. et G. S. West in Journ. Bot. 1897, p. 4. 

 HuiLLA. — In udis sylvaticis et apricis inter Monino et lac. Ivantala, 

 c. Porphyrosiphone Notarisii Kiitz. ; April 1860. No. 14. 



4. (E. Itzigsohnii De Bary, Ueb. OEdog. und Bulb. 56, t. iii. 

 fig. 29-32 (1864) ; Wittr. Prodr. Monogr. CEdog. 16 (1874). 



Var. minor West, Notes on Scotch Freshw. Alg., Journ. Bot. 

 1893, p. 97 ; W. et G. S. West in Journ. Bot. 1897, p. 4. 



PuNGO Andongo. — Freq. c. Scytonemate Myochrous Ag. var. chorn- 

 graphico, temp. pluv. (i.e. Dec. usque Apr.) Isete vegetans, ad Pedras 

 negras in summis rupibus Prsesidii ; Feb. 1867. No. 6. 



The specimens were even a little smaller than those originally 

 described from the Orkney Isles. 



5. (E. huillense W. et G. S. West in Journ. Bot. 1897, p. 5, 

 t. 365, f. 7, 8. 



HuiLLA.^In paludibus exsiccandis ; April 1860. No. 176. 



The nearest species to this is (E. mammiferum Wittr. (Prodr. 

 Monogr. CEdog. 16), from which it differs in having eight equal 

 processes round the subrhomboid oogonia, and in the globose oospores. 



