422 



GEOLOGICAL SUKVET OP CANADA. 



PAGE 



glomeratuf, Willd 194 



littoralis. Smith 201 



Monspeliensis, Desf 201 



Tocemosus, Nutt 194 



setosm, Spreng 194 



Polystichum acrostichoides, Schott . . 227 

 aculealum, Moore, var. Braunii, 



Watt 27S 



angvlare, Presl., var. Braunii, 



Lawson 278 



Braunii, Lawson 278 



cristatum. Roth 273 



Filix-mas, Roth 274 



Jragrans, Ledeb 276 



Lonchiiis, Eoth 277 



marginale, Watt 274 



munitum, Presl . . ^ 277 



Noveboracense, Watt 271 



Thelypteris, Roth 272 



Pontederia, Linn 53 



angustifolia, Pursh 54 



cordata, Linn 53 



var. angustifolia, Gray ... 54 



PONTBDBEIACB^ (CVIII. bis.) 53 



Potamogeton. Linn 81, 369 



alpinus, Balbis 369 



amplifolius. Tuck 84 



angustifolia, Presl 370 



csespitosus, Notte 371 



Claytonii, Tuck 82 



Claytonii, Tuck 369 



compressa, Fries 86 



didymus, Wall 369 



diversifolius. Hook 83 



filiformis, Pursh 83 



flabellata, Bab 371 



fluitans. Roth 369 



fluitans, Pursh 83 



Friesii, Rupr 371 



grammeum, Mx 86 



gramineus, Linn 84 



var. graminifolius, Fries. 84 

 var. heterophyllus, Fries. . 



84, 370 

 var. maximus, Morong.. 84 



gramineus 370 



heterophyllus, Schreb 370 



heterophyllui, Schreb 84 



hybridus, Mx 83 



lucens, Linn 85, 370 



var. acuminalus, Schun . . 371 



var. minor, Notte 85 



lucens, Mx 85 



lonchites. Tuck 83 



lonchites. Tuck 368, 370 



var. Americanus 368 



marinus, Linn 88 



var. Macounii, Morong . . 88 



var. ocddentalis 88 



mkrostachys , 369 



PAGE 



mucronatus, Schrad 88, 371 



natans, Linn 81 



var. fluitans, Torrey 83 



var. /3., Hook 82 



var. prolixus, Koch. . . .82, 369 



Niagarensis, Tnck 87 



Oakesianus, Tuck 82 



obtusifolius, Mert. & Koch.86, 370 



ohtusifolius 88 



pauciflorus, Pursh 86 



var. Niagarensis, Gray . . 87 



pectinatus, Linn 88, 372 



var. a., Hook 88 



var. ;8., Hook 88 



var. laiifolius. Wat 88 



var. (?) latifolius, Robbins 89 

 var. longissimus, Mertens 



and Koch 372 



var. pseudo-marinus, Ben- 

 nett 372 



forma, salina, Voch 372 



\a,r.tmuissimu^ 89 



pectinatus, Ledeb 371 



Pennsylvanicus, Cham 369 



perfoliatus, Linn 85 



var. lanceolatus, Robbins 86 

 yar. lanceolatm, Robbins. 370 

 var. Richardsonii, Bennett 370 



prselongus, Wulfen 85 



pumilus, Wolfgang 369 



pusillus. Linn 87 



var. elongatus. Bennett . . 371 



var. major, Fries 88 



var. panormitanus, Biv-. 87 



var. vulgaris, Fries 87 



pusillum, Hook 86 



Robbinsii, Oakes 89 



rufescens, Schrad 83 



rufescens, Schrad 369 



rutUans, Wolfgang 371 



rutilus, Wolfgang 88, 371 



serotinus, Schard 369 



setaceus, Pursh 83 



spirillus, Tuck 83 



vaginatus, Turcz 371 



Vaseyi, Robbins 82 



Zizii, Roth 85, 370 



var. methyensis, Bennett 370 



zosterifolius, Schum 86 



Poterium 319 



annuum, Nutt 3lg 



Sanguisorba, Linn 319 



Sitchense, Wat 3I9 



Pothos fcetidus, Pursh 73 



Primula 340 



Bgaliksensis, Hornem 340 



Sibirica, Jacq 340 



Prinos verticiUatus, L 315 



Prosartes Hookeri, Torr 46 



lanuginosa, Don 45 



