A SUPPLEMENT TO THE ' FLORA. VECTENSIS.' 171 



believe all the stations given in ' Flora Vectensis ' for J. lacinlafa belong 

 to this species. 



Obs. a. nitens, Heb., I have not succeeded in finding on the sliore 

 near Ryde, so that it has probably become extinct, and was, no doubt, 

 the outcast of some garden. 



Ritmex pratensis, M. et K. In a meadow between Centurion's Copse 

 and Brading Harbour (Rev. W. W. Newbould). Gurnard Bay and by 

 the Medina (F. Stratton). In several localities near Bembridge. Be- 

 tween Shanklin and Luccombe. Brading marshes. On the shore at 

 Norton, etc. Judging from the irregular shape of the enlartied petals, 

 this is rather the hybrid R. obfitsifoUo-crispus, if that can be dis- 

 tinguished from R. pratensis proper. 



R. sangu'meo-crispits. A plant occurs here and there about Bembridge 

 which is intermediate between R. crlsp/is and S. sanc/iiineits, nearer the 

 latter ; its leaves are curled and narrowed to the base ; sepals as in R. san- 

 guineus, but twice as large and wider ; the flower-spikes much tinged 

 with red ; 1 believe it is a hybrid. With it occurs another plau*^, which 

 diti'ers in having the sepals slightly denticulate, and which, in a series, 

 would take its place between R. sanff/diie/is and R. pratensis. 



Polijcjommi Persicaria, L., var. elatnni, Gren. et Godr. = P. nodosum, 

 (Jourii. of Bot. ix. 37). In Sandowii Marshes, but much rarer than the 

 normal form. 



P. mite, Schrank. A single plant in the marshes north of Pan 

 Common, September, 18ri8. This specimen was found growing with 

 the typical P. minus and P. Fersicaria, and was also accompanied by 

 what I think is a very tall and large form of P. minus, nuich resembling 

 Reicheiibach's figure (Ic. Bot. v. 493), but which Dr. Boswell Syme is 

 inclined to refer to P. mite. A number of specimens which I collected 

 at tlie same time seem to form a complete series, ranging from typical 

 P. 7nite to the usual small form of P. minus ; and I strongly suspect that 

 they include some hybrids that might be called " minori-persicaria ." 



P. aviculare, L. The following forms occur : — Var. P. agrestinum, 

 Jord. In cornfields and cultivated ground, frequent. To this I shoukl 

 refer the ])lant noticed by Dr. Bromfield (Phyt. iii. 763) as rescnd)ling 

 the American P. erectum. Var. vulgntum, Syme. Common at the 

 foot of walls, along waysides, etc. Var. P. areuastrum, Bor. On St. 

 Helen's Spit, and probably elsewhere. Var. P. microspermum , Jord. 

 Ou the shore in Sea View Bay and on St. Helen's Spit. The S|)eeimeiis 

 from both localities have been identified by Professor Boreau. Var. 

 rurivagniu, Jord. This is the var. segetale, of Bromfield (Phyt. iii. 763), 

 and is very common in stubbles and among crops, especially on a calca- 

 reous soil. Var. P. littorale, Link. On St. Helen's Spit with P. Rail 

 (A. G. M.). Totland's Bay (F. Stratton). 



P. Rail, Bab. St. Helen's Spit ; Spit at Hampstead ; west side of 

 Newtovvn Creek (A. G. M.). Shore between Yarmouth and Bouldner 

 (J. G. Baker). Norton Spit, Totland's Bay, Colwell Bay, and Fresh waiter 

 Gate (i\Ir. H. C. Watson). 



P. Convolvulus, L., var /3. pseudo-dumetorum, Wats. Near the church 

 at St. Lawrence, and in cornfields near Luccombe. Shore at East Cowes 

 (F. Stratton). 



Thesium humifusum, De Cand. On the sandhills of St. Helen's Sp'* 

 near the mill pond. 



