422 



GEOLOGICAL SURVEY OF CANADA. 



PAGE 



glomeratus, Willd 194 



littoralis, Smith 201 



Monspeliensis, Desf 201 



racemosus, Nutt 194 



setosus, Spreng 194 



Polystichum acrostichoides, Schott . . 227 

 aculeatum, Moore, var. Brawnii, 



Watt 278 



angulare, Presl., var. Braunii, 



Lawson 278 



Braunii, Lawson 278 



cristatum, Roth 273 



Filix-mas, Roth 274 



jragrans, Ledeb 276 



Lonchitis, Roth 277 



marginale, Watt 274 



munitum, Presl 277 



Noveboraceme, Watt 271 



Thelypteris, Roth 272 



Pontederia, Linn 53 



angustifolia, Pursh 54 



cordata, Linn 53 



var. angustifolia, Gray ... 54 



PONTEDBRIACE^E (cvm. bis.) 53 



Potamogeton. Linn 81, 369 



alpinus, Balbis 369 



amplifplius, Tuck 84 



angustifolia, Presl 370 



cxspitosus, Notte 371 



Claytonii, Tuck 82 



Claylonii, Tuck 369 



compressa, Fries > 86 



didymus, Wall 369 



diversifolius, Hook 83 



filiformis, Pursh 83 



flabellata, Bab 371 



fluitans, Roth 369 



Jiuitans, Pursh 83 



Friesii, Rupr 371 



gramineum, MX 86 



gramineus, Linn 84 



var. graminifolius, Fries. 84 



var. heterophyllus, Fries. 



84, 370 



var. maxim us, Morong.. 84 



nminem 370 

 erophyllus, Schreb 370 



heterophyllus, Schreb 84 



hybridns, 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 



microstachys 369 



PAGE 



mucronatus, Schrad 88, 371 



natans, Linn 81 



var. fluitans, Torrey 83 



var.'/?., Hook 82 



var. prolixus, Koch 82, 369 



Magarensis, Tnck 87 



Oakesianus, Tuck 82 



obtusifolius, Mert. & Koch.86, 370 



obtusifolius , 88 



pauciflorus, Pursh 86 



var. Niagarensis, Gray . . 87 



pectinatus, Linn 88, 372 



var. ., Hook. . '. . ; 88 



var. p., Hook 88 



var. latifolius. Wat . 88 



var. (?) latifoliw, Robbins 89 

 var. longissimus, Mertens 



and Koch 372 



var. pseudo-marinus, Ben- 

 nett 372 



forma, salina, Voch 372 



var. tenuissimus 89 



pectinatus, Ledeb 371 



Pennsylvanicus, Cham 369 



perfoliatus, Linn 85 



var. lanceolatus, Robbins 86 

 var. lanceolatus, 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 



rufcscens, Schrad 369 



rutilans, Wolfgang 371 



rutilus, Wolfgang 88, 371 



serotinusj 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 



annuuin, Nutt 319 



Sanguisorba, Linn 319 



Sitchense, Wat 319 



Pothos fcetidus, Pursh 73 



Primula 340 



Egaliksensis, Hornem 340 



Sibirica, J acq 340 



Frinos verticillatus, L 315 



Prosartes Hookeri, Torr 46 



lanuginosa, Don 45 



