Staurastruta (itici. Asteroxanthìum, 

 Pbycaslrum). 

 unicorne IV, 167; Vi, 126. 

 Wallichii IV, 172. 

 variabile VI, 126. 



— v. cornutum VI, 126. 



— v. ecorne VI, 126. 



— v. scolopacinum VI, 126. 

 varians Vili, 104. 



— v. badense VI, 118. 

 vastum VII, 104; Vili, 102. 



— f. tyrolensis Vili, 102. 

 Westii V, 62. 



vestitum 11*, 29; IX, 34. 



— v. semivestitum V, 68. 

 Willsei IV, 171. 

 Wittrockii IV, 178. 

 volans Vili, 138. 



Zelleri IV, 175. 

 Streptonema. 



trilobatum IV. 191. 

 Tetmemorus. 



Brebissonii 1* 441; 111, 15; IV, 188; 

 Vili, 104. 



— v. attenuatus 111*, 188. 



— v. tenuissima 111, 22. 

 granulatus 11* 26; 111, 16; V,48;V1, 



128; Vili, 104; IX, 39. 



— v. attenuatus 11, 508 (19). 

 laevis 11* 26. 



— attenuatus 111*, 171. 



— v. bifidus 1*, 442. 



— v. ornatus Vili, 97. 

 minutus 111*, 168, 169. 



Tetrachastrum (vide Micrasterias). 

 Triploceras (vide Docidium). 

 Xanthidiastrum (vide Onychonema). 

 Xanthidium (incl. Holacanthum). 

 aculeatum 11* 30. 

 alpinum Vili, 98. 



antilopaeum 11*, 30; 11, 49S (6), 518 

 (29); III, 25; IV, .90; V,6o: VII, 

 72; Vili, 82. 



— v. basiornata 111, 19. 



— v. canadense 1, 398 (10). 



— v. dimazum IX, 34. 



— v. fasciculoides 11, 495 (6). 



11? 



Xanthidium (incl. Holacanthum). 



— — f. inevolutum 11, 495 (6). 



— f. irregularis VI, 122. 



— f. javanica IV, 190; Vili, 85. 



— v. Johnsonii VII, 96. 



— v. laeve 111, 25. 



— v. Minneapoliense VII, 96. 



— v. oliganthum VII, 99. 



— v. ornatum 1* 437; 111, 25; VII, 

 72. 



— v. polymazum IV, 190. 



— v. Schmidlei 111, 25. 



— v triquetrum 111, 16. 



— — f. hexagona VII, 74. 



— v. truncalum 1, 398 (io); 111, 20; 

 Vili, 141. 



apiculiferum 11, 513 (24). 

 armatum V, 48; VI, 114. 



— v. americanum Vili, 76. 



— v. incongruum IV, 165. 



— v. irregularius 11, 513 (24). 



— v. supernumerarium Vili, 98. 



— v. Wolleanum VI, 125. 

 Bengalicum IV, 163. 

 bisenarium IV, 163; Vi, 120. 



— v. ornatum IV, 163; VI 126. 



— v. rotundatum IV, 163; VI, 126. 

 Brebissonii 11* 30; VI, 126. 



— f. punctata 111, 19. 

 brevicorne IV, 164. 

 calcarato-aculeatum IX, 38. 

 Chalubinskii 111, 19. 

 concinnum v. Boldtiana 11, 519 (30); 



Vili, 85. 

 cosmariforme IV, 163. 



— f. evoluta IV, 163. 

 cristatum IV, 189; V, 61; VI, 112, 



113; Vili, 82. 



— f. angulatum 11, 513 (24). 



— v. Delpontei V, 61. 



— v. leiodermum IV, 189. 



— v. spinuliferum 11* 28. 



— v. truncatum 1, 39Ì (4). 



— v. uncinatum IV, 163; V, 113, 

 126. 



— — f. mucronata V, 65. 

 euastroides IX, 38. 



