THE ALGAE OF BERMUDA. 11 



"Staghorn" C odium, the very large form of C. decorticatum. But 

 many things that come in there on the tide show that there are very 

 fertile grounds outside; there is Dudresnaya crassa, Trichogloea 

 Herveyi, Naccaria corymbosa, Dasya pedicellata and several other 

 Dasyas, Crouania attenuata, Callithamnions, Liagoras etc.; there are 

 probably more things to be found here than in any other like place in 

 Bermuda. Just beyond this is Gates Bay, noted for abundance of 

 Crouania, Liagora and Laurencia, for the most part epiphytic on 

 Sargassum. 



On the harbor side of St. George's may be found some good col- 

 lecting; here by an old wharf at the eastern end of the city we found 

 Antithamnion cruciatum and our only specimens of Caulerpa verticil- 

 lata. Taking the ferry to St. David's and crossing over to the south 

 side of the island near the lighthouse we come to a beach where we 

 found a fine growth of Gracilaria dicfiotomo-flabellata and some small 

 specimens of Eucheuma Gelidium. At the west end of the Causeway 

 we find a new road leading around the shore to Walsingham House; 

 there is good collecting all along here; first of all at the left, a growth 

 of mangrove trees, on the amphibious roots of which is abundance of 

 three species of Bostrychia, mingled with Caloglossa Leprieurii and 

 Catenella pinnata; these plants grow on such roots, as well as on rocks 

 covered only at high tide, in every part of the island. There are two 

 little tide pools in the immediate vicinity of Moore's calabash tree in 

 one of which are two or three species of Caulerpa and Udolea flabellum ; 

 in the other, smaller, one, partly under a big rock, the bottom is 

 carpeted with delicate fronds of Caulerpa sertularioides; in the neigh- 

 borhood of Walsingham House are several little coves rich in plants; 

 one a hundred yards or so to the right of the driveway leading up to 

 the main road always contains Chrysymenia uvaria in fine form; here 

 also in 1915 we found a splendid growth of Halymenia pseudofloresia, 

 and it is the only place in which we found more than a single frond 

 or a fragment. Over on the shore of Castle Harbor in April we found 

 a good collection of Spyridia aculeata var. hypnoides. 



Following the southwest shore of Castle Harbor for a mile and a half 

 we come to Tucker's Town, another fruitful locality; here in a little 

 grotto, back of the concrete wharf, growing at all seasons are Haly- 

 menia bermudensis and Galaxaura obtusata; on the shore in front of 

 the wharf where a small stream runs into the sea are quantities of 

 Gelidium pusillum and around the point to the left a heavy growth 

 of Eucheuma denticulatum; all about the wharf are fronds of Ulva, yards 

 long. A boat can be taken from Tucker's Town to Cooper's Island, 



