284 The Scottish Naturalist. 



cclxv. Corallorhiza Haller. 



576. Innata Br. Very local and rare. Methven Wood, Scone, 



and Rannoch. 



IRIDACBA 

 cclxvi. Iris L. 



577. Pseudacorus L. Common. 



ALISMACE^E. 

 CCLXVII. Alisma L. 



578. Plantago L. Common. 



579. Ranunculoides L. Rare. Methven, Stanley, &c. 



Var. repens Dav. Near Doune. 



cclxviii. Triglochin L. 



580. Palustre L. Common. 



581. Maritimum L. Lower part of the Tay. 



CCLXIX. SCHEUCHZERIA L. 



582. Palustris L. White Myre at Methven, but perhaps 



extinct. 



cclxx. Butomus L. 



583. Umbellatus L. Marshy sides of the Tay below Perth. 



Perhaps native (?) 



NAIADACE^3. 



CCLXXI. POTAMOGETON L. 



584. Natans L. 



i. Sub-species natans. Common. 

 ii. Sub-species polygonifolius Pourr. Common, more 

 especially in the Highlands. 



585. Rufescens Schrad. Not uncommon. 



586. Heterophyllus Schreb. 



i. Sub species heterophyllus. Local. 

 ii. Sub-species nitens Web. Rivers Tay and Earn. 

 Var. curvifolius Hartm. Fingask Loch. 



587. Lucens L. Local. 



588. Zizii M. and K. Loch Cluny, Loch of the Lows, and 



Ardblair Loch. 



589. Praelongus Wulf. Local. 



590. Perfoliatus L. Common. 



591. Crispus L. Not uncommon. 



