15 
ALGA] AMERICAS BOREALIS EXSICCATA]. 
Farlow, Anderson, and Eaton. 
Contents of Fasciculus IV. 
131. Dasya subsecunda, Sulir. 
132. Polysiphonia subtilissima, Mont. 
133. Polysiphonia Harveyi, Bailey. 
134. Polysiphonia secunda, Zan. 
134. bis. Polysiphonia villum, J. Ag. 
135. Polysiphonia variegata, Ag. 
136. Bostrychia Montagnei, Harv. 
137. Bostrychia calamistrata, Mont. 
138. Bostrychia Sertularia, Mont. 
1 39. Delesseria Hypoglossum, Lam. x. 
140. Delesseria alata Lam. x. 
141. Delesseria decipiens, J. Ag. 
142. Gelidium rigidum, var. radicans J. Ag. 
143. Rhabdonia tenera, J. Ag. 
144. Hypnea musciformis, Lam. x. 
145. Hypnea spinella, Kiitz. 
146. Rhodophyllis Veprecula, J. Ag. 
147. Chondrus canaliculatus, J. Ag. 
148. Constantinea Sitchensis, J. Ag. 
149. Catanella opuntia, J. Ag., var. pinnata. 
150. Chrysymenia uvaria, J. Ag. 
151. Spyridia filamentosa, Harv. 
152. Nemastoma Californica, Farlow. 
153. Callithamnion byssoideum, Am. 
154. Callithamnion heteromorphum, J. Ag. 
155. Callithamnion Pylaisaei, Mont. 
156. Callithamnion floccosum, Ag. 
157. Chantransia virgatula, Thuret. 
158. Padina Durvillaei, Bory. 
159. Taonia Schroederi, Ag. 
160. Taonia Lennebackerae, Farlow . 
161. Dictyota fasciola, Lam. x. 
162. Castagnea Zosteraa, Thuret. 
163. Mesogloia Andersonii, Farlow. 
164. Sphacelaria cirrhosa, Ag. 
165. Cladostephus verticillatus, Ag. 
166. Desmarestia ligulata, Lam. x. 
167. Myriotrichia filiformis, Harv. 
168. Ectocarpus littoralis, Lyngh. 
var. robustus, Farlow. 
Caulerpa plumaris, Ag. 
169 . 
