422 



F- religiosa, F. racemosa, aud milk-hcclge (jjcrhaps Euphorbia sp.). 

 From Lady Harvey, Carlton Terrace : — Miscellaneous capsules, and 

 sections of woods. From Dr. Scott, Dean Terrace : — Two legumes 

 from Madeira. From Mr. M'Nab, Botanic Garden : — A large collec- 

 tion of seeds, cones, and sections of woods, being the nucleus of a 

 private collection, and now given over to the museum, in all 180 spe- 

 cimens. From Mr. James Laing : — Two legumes from Calcutta. 

 From Mr. William Baxter, Riccarton : — A monstrous branch of Pinus 

 Pinaster, blown down at Riccarton, by the late gale. 



Mr. George R. Tate exhibited an interesting series of plants from 

 Northumberland, which he presented to the Society, including Cypri- 

 pedium Calceolus and other rare species. 



Mr. G. Lawson exhibited growing plants of the recently-discovered 

 Potaraogeton Trichoides, which he had some time ago received through 

 the kindness of the Rev. Kirby Trimmer, from the station at Swardes- 

 ton, Norfolk. He likewise exhibited fresh specimens of the fruit of 

 this species, and pointed out the specific character aiForded by the 

 prominent tubercle on the " inner " edge of the fruit. " Fr. often ver- 

 rucose on the back and with a tubercle on each side at its base" (Bab. 

 Man. 3rd ed.). In a letter accompanying the plant Mr. Trimmer 

 remarked : — " There is every reason, I think, to consider Potamogeton 

 Trichoides not introduced, but native, at the Framlingham, Earl, and 

 Swardeston stations. I have known for the last three years of the 

 plant existing in the latter station, but could never till July in the 

 present year meet with fruit on it, and even then only a very few spe- 

 cimens, under a dozen." 



Dr. Balfour read a letter from Dr. Dickie, mentioning the occur- 

 rence of Carex-rigida close by the sea, within reach of the spray, on 

 Downpatrick Head ; also the occurrence of Hieraciura nigrescens ? 

 and Hypnum rufescens on Ben Bulben. 



Dr. Balfour also read a letter from Mr. James Backhouse, jun., 

 York, in which he states that he has fairly proved the Hieracium 

 plumbeum of Fries to be a British plant. " It grows on Falcon Clints, 

 in Teesdale. Having had an opportunity of examining specimens of 

 the Norwegian Hieracia during the past summer, partly by collecting 

 personally, and partly through the kind assistance of Professor Blytt, 

 of Christiania (from whom I have received a large dried collection), 1 

 am able satisfactorily to identify the above-mentioned plant, which 

 has all the appearance of a good and distinct species. It is most 

 nearly allied to H. caesium, but differs strongly in having more trun- 

 cate involucres, with hroad-hased, acuminate, apiculate scales, of a 



