612 



C'ODIACEAE. 



4. Avrainvillea B^wsoni (Dickie) M. A. Howe, Bull. Torrey Clab 34: 510. 

 1907. 



BhipiKa Bawsoni Dickie, Jour. Linn. Soc. Bot. 14: 151. pi. 11. f. 1, S. 



1&74. 



In shallow water, often at low-water line on exposed rocks. Abaco, Gun Cay, 

 North Cat Cay, Berry Islands, Bxuma Chain, Watling's Island, Mariguana, Calcos 

 Islands, and Great Eagged Island : — Jamaica, Porto Eico, Guadeloupe, and Bar- 

 bados. Type from Barbados. 



2. RHIPILIA Kiitz. Tab. Phye. 8 : 12. 1868. 



1. Khlpilia tomentosa Kiitz. loc. eit. pi. S8. f. 1. 



Udotea tomentosa Murr. Jour. Bot. 27 : 2i30. 188©. 



In shallow water (down to 30 meters, fide Borgesen). North Cat Cay: — Cuba, 

 Porto Eico, American Virgin Islands, Antigua, and Guadeloupe. Type from Antigua. 



3. CLADOCEPHALUS M. A. Howe., Bull. Torrey Club 32: 569. 1905. 



1. Cladocephalus scoparius M. A. Howe, loc. cit. pi. S5; pi. S6. f. 11-BO. 



In shallow water. New Providence, Exuma Chain, and Watling's Island. Ap- 

 parently endemic. Type from a tidal pond, Georgetown, Great Bxuma. 



4. PENICILLUS Lamarck, Ann. Mus. Hist. Nat. 20: 207. 1S13. 



Nesaea Lamour. Nouv. Bull. Sci. Soe. Philom. 3: 186. 1812. Not Nesaea 



■Commers. ; Juss. Gen. PI. 332. 1789. 



COEALLIODENDEON Kiitz. Polyp. 'Calcif. 11. 1841. 



COEALLOCEPHALTJS Kiitz. Linnaea 17: 95. 1843. 



Surface of stipe' compact, indurated, smooth or minutely granulose under a hand- 

 lens ; ultimate branchlets of corticating filaments short-oblong, obtuse, trun- 

 cate, or capitate. 

 Filaments of capitulum 135-250 p, in diameter. 1. P. capitatus. 



Filaments of capitulum 300-550 fi In diameter. 2. P. Lamourouxn. 



Surface of stipe spongiose or velutinous-tomentulose under a 

 hand-lens ; ultimate branchlets of corticating filaments 

 elongate, taper-pointed. 

 Filaments of capitulum 500—900 ,u in diameter. 3. P. dumetosus. 



Filaments of capitulum 150-320 /ji in diameter. 4. P. pyriformis. 



1. Penicillus capita,tus Lamarck, loc. cit. 299. 



? CoraXlma Penicillus L. Syst. Nat. 1: 807. 1758. 



Corallina Penicillus Ell. & Soland. Nat. Hist. Zaoph. 126 p.p. pi. S5. f. 4. 



1786. 

 Nesea Penicillus Lamour. Hist. Polyp. 258. 1816. 

 Penicillus elongatus Decaisne, Ann. Sci. Nat. Bot. II. 18: 109. 1842. 

 Corallocephalus Penicillus Eiitz. Linnaea 17: 95. p.p. 1843. 

 CorallocepJialus larlatus Kiitz. Tab. Phye. 7: 8. pi. SO. f. II. 1857. 



" The Merman's Shaving-brush " ; very common, usually on a sandy or muddy 

 bottom in shallow water (mostly in 0.5-10 meters). New Providence, Eose Island, 

 Berry Islands, Audros, Great Bahama, Garden Cay, Bxuma Chain, Cat Island, 

 Watling's Island, Atwood Cay, Mariguana, Calcos Islands, and Great Eagged Island; 

 — Bermuda and Florida to (luadeloupe. Type from American seas. 



2. Pemcillus Lamourofixii Deeaisne, Ann. Soi. Nat. Bot. II. 18: 109. 1842. 



? Corallina Penicillus Ell. & Soland. Nat. Hist. Zooph. 126 p.p. pi. S5. f. 5. 

 1786. 



? Nesea pyramidalis Lamour. Hist. Polyp. 268. 1816. 



Penicillus Lamourouxii gracilis A. & E. S. Gepp, .Jour. Bot. 43: 2. 1905. 



On a sandy bottom In shallow water. New Providence, Eose Island, Great 

 Bahama, Garden Cay, Bimini, Green Turtle Cay, Bxuma Chain, Watling's Island, 



