Page:Journal of botany, British and foreign, Volume 9 (1871).djvu/193

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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.

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