86 SHOKT NOTES. P. obtusifolius Mert. et Koch in Roehl. Deutschl. Fl. ed. 3, i. 855 (1823). 1724. **In fossis prope Deptford."— Dill, in Ray Syn. iii. 150. First found by Buddie, Horfc. Sice. vol. iv. f. 27. P. Friesii Rupr. in Beitr. PH. Russ. iv. 43 (1845). 1660. •* In the river Cam in many places." — R. C. C. 125. P. pusillum L. Sp. Pi. 127 (1753). 1650. " P. pumilum nondum descriptum Between Carleton and Wulwich." — How, Phyt. 97. "In the rivulet at Hinton Moor," Gambs. — R. C. C. 125 (1660). P. Sturrockii Ar. Benn. in Scottish Naturalist, n.s. i. 27 (1883). 1883. Marlee Loch, Perthshire ; discovered by Abram Sturrock. — L. c. P. trichoides Cham, in Linnsea, ii. 175 (1827). 1850. Found by Rev. Kirby Trimmer, in 1848, at Framingham Earl, Norfolk.— Bot. (xaz. ii. 285. P. pectinatum L. Sp. PI. 127 (1753). 1660. " In the river Cam in many places." — R. C. C. 100. P. flabellatus Bab. Man. ed. 3, 343 (1851). 1851. "Ponds and ditches." — C. C. Babington, Z. c. Observed by Babington in canal at Bath in 1830.— Phytol. iv. 1158. P. filiformis Pers. Syn. PI. i. 152 (1805). 1843. " Lakes in Forfarshire."— Bab. Man. ed. i. 326. Ruppia maritima L. Sp. PL 127(1753). 1677. "About Maldon in Essex I firat observed it." — Ray Cat. ed. 2, 242. Zannichellia palustris L. Sp. PI. 969 (1753). 1660. "Potamogeito affinis gramen aquaticum." — Ray Cat. Cant. 125. "Pond on east side of Islington." — Petiver in Gibson's Camden (1695). Z. polycarpa Nolte, Novit. Fl. Holsat. 75 (1826). 1875. " Kirbister Loch, Orphir, Orkney, July, 1874. William Fortescue." —Bot. Exch. Club Report, 1872-4, 41 ; and Journ. Bot. 1875, 376. First found there by Syme in 1849 : see Journ. Bot. /. c. (To be continued.) SHOBT NOTES, ToRTULA BREviRosTRis IN East YORKSHIRE. — A short time ago Mr. J. J. Marshall, of Market Weighton, sent to me a specimen of this rare British moss, which he had met with in October, 1895, in a gravel-pit near to Kiplingcotes in the East Riding of Yorkshire. Along With it in the same pit, Tortula stellata (Schreb.) Lindb., a nearly allied species, was growing in abundance, whilst T. hrevirostris was only found in small patches. Mr. Marshall, on looking over his gatherings after getting home, detected the rarer moss amongst them, and by careful exammation of its characters he concluded that the smaller of the two plants he had collected must be this rare moss ; he therefore sent me specimens, desiring me to confirm his opinion. I possessed some American specimens from the Rocky Mountain locality of this species, and with these the Yorkshire
