24 Minnesota Algae 



I Plant mass crustaceous; cells 2-5 mic. in diameter E. granulosa 



II Plant mass mucous; cells 4-6 mic. in diameter E. magnoliae 



54. Entophysalis granulosa Kuetzing. Phyc. Gen. 177. pi. XVIII. f. 5 1843. 



De Toni. Syll. Algar. 5:58. 1907. 

 Collins. Algae from Atlantic City, N. J. Bull. Torr. Bot. Club. 15: 

 309. 1888. Martindale. Marine Algae of the New Jersey coast and adja- 

 cent waters of Staten Island. Mem. Torr. Bot. Club, i: 89. 1889. WoUe 

 and Martindale. Algae. Britton's Catalogue of Plants found in New Jersey. 

 Geol. Surv. N. J. 2:611. 1889. Collins. Notes on New England 

 Marine Algae,— VI. Bull. Torn Bot. Club. 23:1. 1896. Collins, Holden 

 and Setchell. Phyc. Bor.-Am. Fasc. 4. no. 152. 1896. Collins. Prelim- 

 inary Lists of New England Plants, — -V. Marine Algae. Rhodora; 2:41. 1900; 

 Phycological Notes of the late Isaac Holden, — I. Rhodora. 7: 172. 1905. 



Plate I. fig. 33- 



Plant mass crustaceous, up to i mm. in thickness, granular and warted, 

 cartilaginous to fragile, brownish or black; cells 2-5 mic. in diameter; 

 sheaths very thick, lamellose, brownish. 



Maine. Forming an incrustation on edge of rocky tide pool, at extreme 

 high water mark. Cape Rosier. July 1895. (Collins). Massachusetts. (Col- 

 lins). Connecticut. Forming a crust on stones between tide marks. 

 Fresh Pond, Stratford. August 1895. (Holden). New Jersey. On old 

 shells. Atlantic City. (Morse, Collins). "Forming a crumbly incrustation 

 at high-water mark, and seeming to prefer lagoons or high tide-pools, where 

 the water is quite salt and where the level does not vary much." — Collins. 



55. Entophysalis magnoliae Farlow. Marine Algae of New England. 29. 



1881. De Toni. Syll. Algar. 5: 58. 1907. 



Collins. Preliminary Lists of New England Plants, — V. Marine Algae. 

 Rhodora. 2:41. 1900. 



Plant mass mucous; families densely branched; cells 4-6 mic. in diam- 

 eter, dark purple, united in twos and fours, embedded in jelly. 



Maine. (Collins). Massachusetts. Forming a thin slime on exposed 

 rocks. Rare. Autumn. Magnolia Cove, Gloucester. (Farlow). 



Genus CHONDROCYSTIS Lemmerm. 

 Abh. Nat. Ver. Bremen. 353. 1899. 



Plant mass cushion-shaped, widely expanded, up to 35 cm. high, carti- 

 laginous, soft, fragile, encrusted with lime at the base, curled up at periph- 

 ery; families consisting of spherical masses of cells lying free, the mem- 

 branes of which seem to be thickened into one layer. 



56. Chondrocystis schauinslandii Lemmermann. Ergebn. einer Reise n. d. 



Pacific. Abh. Nat. Ver. Brem. 16: 353. 1899; Algenfl. Sandwich-In- 

 seln. Bot. Jahrb. 34: 615. pi. 7. f. 22-29. 1905. De Toni. Syll. Algar. 

 S: 59. 1907. 



