698 Protoeoecoidese, Palraellaceae, Dicraiiochfete. 



subcrassa, prominentiis reticulariter inter se conjuuctis obducta, 

 areolis distinctis, angulosis, 24. 



Hab. ad (tErlangen» in Bavaria Germanise (P. F. Reinsch). 



Sectio 3. Cymatococcus Hansg. iu Hedwigia 1888, p. 129. 



Membrana volvulis inter se coajunctis et gibberulis obtusulis vel acutiu- 

 sculis obtecta. 



22. Trochiscia arguta (Reinsch) Hansg. in Hedwigia 1888, p. 129, 1657 \ 

 Acanthococcus argiiius Reinsch Ueb. Palmell. Acanth. 1886, p. j 

 242, tab. XII, f. 19, 23. — Cellulis solitariis, globosis, 31-43 [x. \ 

 diam., raembrana crassissima, 12-15 v.. cr., prorainentiis volvifor- ;■ 

 mibus, parallelis, inter se conjunctis, acutis obtecta. j 



Hab. ad uPine Station, Chicago » in America boreali; ad uEr- ;, 

 langen)) in Bavaria Germanise (P. F. Reinsch). 



23. Trochiscia plicata (Reinsch) Hansg. in Hedwigia 1888, p. 129, 16581 

 Acanihococcus plicatus Reinsch Ueb. Palmell. Acanth. 1886, p. i 



242, t. XII, f. 20. — Cellulis solitariis, globosis, 65 a. diam.; mera- ' 

 brana 15-18 [j., crassa, prominentiis volviformibus, peripherice et 1 

 transversaliter plicatis instructa. j 



Hab. ad (cErlangen;) in Bavaria Germanife (P. F. Reinsch). ' 



24. Trochiscia insignis (Reiusch) Hansg. in Hedwigia 1888, p. 129, i<359^ 

 Acanihococcus insignis Reinsch Ueb. Palmell. Acanth. 1886, p. ' 



243, t. XII, f. 22. — E raaxirais; cellulis solitariis, globosis, 68- 

 84 [i. diam.; raembrana crassa usque V^ cellulse diametri, plurila- 

 mellosa, prominentiis volviformibus peripherice plicatis ornata. \ 



Hab. ad (cErlangen» in Bavaria Germanise (P. F. Reinsch). i 



25. Trochiscia obtusa (Reinsch) Hansg. in Hedwigia 1888, p. 130, iggoj 

 Acanthococcus obtusus Reinsch Ueb. Palmell. Acanth. 1886, p. j 

 243, t. XII, f. 21. — Cellulis solitariis, globosis, 34-37 p.. diam.; j 

 merabrana crassa, Ve cellulae diametri, prorainentiis volviformibus, 

 verruciforraiter productis, obtusis, undulatis, peripherice plicatis 1 

 obtecta; contentu 22-26 u. diara. \ 



Hab. inter Algas varias ad (( Erlangen » in Bavaria Germanise \ 

 (P. F. Reinsch) et ad (( Charles River et Roxbury )), circa (( Boston )) 



Americse borealis (P. F. Reinsch). j 



DiCRANOCH>ETE Hieron. [1887] Ueber einige Algen des Riesengebirges i 



in Ber. Schles. Gesellsch. 1887, p. 293 (Etjm. dtcranos bicapitatus j 



et chcvte seta), Cfr. Botan. Centralblatt 1888, p. 321. — Thallus J 

 raiuutus, unicellularis, viridis, subreniformis, seta singula, subtili, 



