2 
YNGBYA 
18. Lrxasra yERRuGI 
KEY TO THE HIGHER ALG OF THE ATLANTIC COAST. 491 
i. Southern, blackish green, floating or attached to small ~~ ee 
j. Bluish green or rusty red; filaments tenacious . 186 
j. Blackish green or violaceous; filaments not half : so "atok as ‘ty 
the preceding. . . 188 
k. comnts 1 to 2 inches Tan saute Epania the pis sA 
chro t very distinctly annulated. P S a ee ge 
k. gee ‘lament densely matted iugetiie annulations more 
L In Hide pete tufts on the smaller ie oes Nee ee T 
l. In velvety patches on rocks, ete. = 
m. Filaments oa simple; common on ipek, adari ‘ide 
very slippery. 
m. Filaments Bate an ad iccighten, ines appearing branbhad, by 
the splitting of the endochrome (“viviparous”), . . - 93 
150. CODIUM TOMENTOSUM Stackh. Florida. 
151. VAUCHERIA (species areri in AARE Brittanica, allied to V. marina) 
Bay, etc. 
uzzard’s 
152. Brroprsis pripa A Lamouroux: Massachusetts and are 3-6. 
153. PORPHYRA VULG ee Charleston and North. 2-10. 
154. BANGIA FUSCOPURPUREA Lyngby. New Jersey and na 2-3. 
155. BANGIA CILIARIS Carm seis South Carolina. One-tenth. 
ENTEROMORPHA IN riot LIS Link. Whole Coast. 3-10. 
» ENTE SSA 
CLATHRATA Gre ville, e. Cape y and North. 2-6. 
RPHA HOPKIRKI M’Calla. New York, Massachusetts. 3A. 
d North. 
LVA (PHYCOSERIS) pana Linneus. Ne sey a 6-12. 
BL. ULVA (PHY ) LATISSIMA Linnæus. Whol 
in <a Lactruc nus. Massachusetts, Texas. a 
o ADOPHORA RUPESTRIS Linnæus. Main d North. 2-8. 
LADOPHORA ARCTA Dillwen. New Jersey and North. 
165, neiaa LANOSA Roth. beamant 1-14. 
168. CLADOPHORA UN Cape Cod and North. 1. 
167, va dame anoue Grimths view ast. 3-5 
Mie bdot net 
sengi 2-3. 
1m2 CLADOPHORA ALBIDA Bideoa. New York, Massachusetts. 6-8. 
g reese RUDOLPHIANA Agardh. New Y 
a7 sachusetts. 4-3. 
CHÆTOMORPHA tekstas Mon a. New Jersey and Mots: 12-16. 
MORPHA M. ad 
€ 
A MAJUSCULA Harvey. Whole Coast. 1-2. 
EA Agardh. Coast. 1-2. 
