1" 



Zygnemacea . > tc. 



94. Zygnema malformatum, Hass. 1. 147. rrovidence. 



95. > ati:x.i:foi:mk. Hass. 1. 147. Providence. 



( .h;. Tiiwaitesii, Olney, n. s. Kear Z. subventricosum, 



Providence. 

 '.'7. longatum, Hass. 1. 151. Providence. 



striata, Olney, n. s. '-cells evidently striated." 



Thwaites. Providence. 

 '.".i. TYNDARIDEA BiCORNlS? Hass. 1. 1G2. Providence. 



100. insignis ? JZass. 1. 163. Providence. 



101, Mesocarptts parvulus, Hass. 1. 109. Providence. 

 lnj. MOTJGEOTIA (.knuflexa, A g. Hass. 1. 173. Providence. 

 in:;. Vesiculifera concatinata, Hass. 1. 201. Providence. 

 L04. aEQUALiS, Hass. 1. 205. Providence. 

 I".",. bombycina, Hass. 1. 208. Providence. 

 Km'.. Candollii, ifass. 1 208. Providence. 

 107. Bulbocii.kti; Thwaitesii, Olney n. s. Providence. 



L08. Lyngbya vx.tuscuijA, Harv. Bor. Am. 3. 101. Providence. 

 L09. Si-ii.Kiioi'LE.i: VIRESCENS, Berk. Providence. 

 L10. Pi xctalis, Berk. Providence 



111. ToLYPOTHRIX DCSTORTA, KutZ. //".S.s. 1. 240. 



112. ( alothris CONFERVICOLA, Ag.-Harv. Ncr. Bor. Am. 3. 105. 



Providence. 

 11:;. scopulorum, Ag.-Harv. X< r. r><>r. Am. .">. L05. 



Providence. 



lh smidiea . 



ill. Kyalotheca dissiliens, Brev. Hull's Des. 51. (Gloeoprium.) 



Providence. 

 L15. mucosa, Ehrh. RaZ/s Des. 53. Providence. 



IK;. DiDTMOFRii m Grevillii, Kutz.-fialfs Des. 61. Rhode Island, 



Bailey. 

 117 Borreri, Ra//s /><* 58. Photic [sland, Bailey. 



L18. Desmidium sw ai:i/ii. .!»/. RaZfs Des. 61. Throughout United 



States, Bailey. 

 L19. a iTiMiiiN rM Baileyi. Ra(/s Des. 209. Worden's Pond, Rhode 



[sland. Bailey, 



