354 XI. DESMiDiACEiE (West). [Cosinarium 



Var. minimum W. et G. S. West in Journ. Bot. 1897, p. 119, 

 t. 368, f. 6. 



HuiLLA. — In uliginosis editioribus prope Humpata, Empalanca et 

 LopoUo ; May I860. No. 15. 



34. C. subpyriforme Lagerh. in Botan. Notiser, 1887, 197, c. 

 fig.; W. et G. S. West in Journ. Bot. 1897, p. 119. A very 

 small form with rather broader bases to the semi-cells than the 

 type ; other views not obtainable. 



HuiLLA. — Inter Utriciduriam, Morro de Lopollo ; April 1860. 

 No. 179. 



35. C. affine Racib. in Eosprawy A lead. ITmiej. Krakow. 

 Wydzial. Mat.-przyr. ser. 2, t. ii. (vol. xxii.) 363, t. vi. f. 25 

 <1892). 



Var. africanum W. et G. S. West in Journ. Bot. 1897, p. 120, 

 t. 368, f. 7. 



LiBONGO. — Ad margines flum. Lifune ; Sept. 1858. No. 204. 



36. C. minutissimum Ai-ch. in Q. J. M. S. xvii. (new ser.) 194 et 

 -301 (1877); Cooke, Brit. Desm. 91 ; W. et G. S. West in Journ. 

 Bot. 1897, p. 120. 



HuiLLA.— Morro de Lopollo ; May 1860. No. 182. 



37. C. galeatum W. et G. S. West in Journ. Bot. 1897, p. 120, 

 t. 368, f. 2, 3. 



HuiLLA. -Morro de Lopollo ; Feb. 1860. No. 192. 

 The form of this species together with its small size and the presence 

 of a tooth at each basal angle easily distinguish it. 



38. C. libongense W. et G. S. West in Journ. Bot. 1897, p. 120, 

 t. 368, f. 12. 



LiBONGO. — Ad margines flum. Lifune ; Sept. 1858. No. 204. 



This differs from C. suhunduhi turn Wille in its shorter cells, its 

 truncate apices, its crenate lateral margins, its entire absence of granules, 

 and in its different vertical and lateral views. From C. mbundulatwn 

 var. Beanland'y West it differs in its crenate lateral margin, its more 

 truncate apices, in the absence of granules, and in its different vertical 

 view. 



39. C. repandum Nordst. in Botan. Notiser, 1887, 162; in K. 

 Sv. Vet.-Akad. Handl. Bd. 22, no. 8, 58, t. vi. f. 14 (1888); W. 

 €t G. S. West in Journ. Bot. 1897, p. 120, t. 368, f. 13. A form 

 with the semi-cells a little dilated upwards. 



HuiLLA. — In uliginosis editioribus prope Humpata, Empalanca et 

 Lopollo ; May 1860. No. 15. 



C. odonfopletirum Ai-ch. (in Roy et Biss. in Ann. Scott. Nat. 

 Hist. (1894). 169, t. ii. f. 13) appeai-s to be only a small form of 

 ■C. repandum Nordst. 



40. C. multiordinatum W. et G, S. West in Journ. Bot. 1897, 

 p. 121, t. 367, f. 8. 



PuNGO Andongo. — In stagnis prope Anbilla Coudo) ; March 1857. 

 No. 177. 



This is nearest to C. decoratum W. et G. S. West (in Trans. Linn. 



