7S LIXNEAN SOCIETY OF LOXUOX. 



leaf-bases have a tuft of white hairs, also occurs in both Orkney 

 and Shethmd as well as on the Scottish mainland. Plants with 

 short broad hairy leaves also occur in Orkney, as at llellie Hoy, 

 but they are not so sturdy as that from lialta, which so far" I 

 have failed to match in herbaria. Cultivation and Further study 

 are necessary to determine whether it may be a distinct species, 

 and also to eliminate the possihilitv of a hybrid parentage. 

 P. htnceolala miglit afford the hairhiess and broader leaves, kit 

 its root branching and leaf arrangement are (juite different. 



lilunanlhas ij ra- idandicm Chab. was found in both the known 

 localities on a holm in Jkirga \vater, where it was discovered by 

 Beeby (see Ann. Sc. Nat. Hist. 1&07, 23.'5), and on the cliffs at 

 Naxavord. Osfcenfeld reports it as frequent in the Faroes and 

 clearly distinguishable from R. minor, being allied to R. boreaUs 

 and Ji. Dnunmond-IJaiii. 



Polamoijeton suecicus (Richt.). One of the special objects of my 

 northern visit was to clear up the question of the recorded 

 occurrence of P. vaginatus Turcz., to \\ hicli IJennett had referred 

 the specimens gathered by li.-eby in tlie J.ochs of Asta and 

 Tiugwall. My examination of iieeby's herbarium led me to 

 doubt the accuracy of this identification, which has been sub- 

 sequently questioned by HSgstrom (Grit. Research. Pondweeds). 

 We paid three visits to these lochs, which lie in an interesting 

 valley about six miles from Lerwick, but weve only able to collect 

 barren specimens of plants which seem identical with those 

 obtained by Eeeby. Hagstroin unhesitatingly rejected these from 

 P. va,fin((tm- and refers them to P. suecicus Richt., a hybrid 

 between P. pecthmtus and fdlformis, as var. infenncdlus forma 

 pechnatoides llSgstr. P. vaginatus Turcz. mav therefore disappear 

 from our list. 



P. rutilus AVolfg., hitherto only known with certainty from 

 Lyn Coron, Angelsea, we found growing plentifully in the Lochs 

 of Tingwall and Asta, and also in the Loch of Bardister at AV^alls. 



A short time was spent in the Orkneys, Avhere we had the 

 advantage of the company of Colonel H. Halcro Johnston, F.L.S. 

 This resulted in adding two species to the Scottish ftovn—iiMteUa, 

 identified by Mr. James Groves as K. nidifica Ag., \yhich we 

 dredged up in the Loch of Stenness, and previously only recorded 

 from an aged specimen too poor for figuring, fouiid by the Rev. 

 E. S. Marshall in 180(>' in a lagoon north of Wexford Harbour, 

 and Chara canescens which was growing with it, and hitherto 

 kuown only from the south of England and Wexford. 



