620 



GEOLOGICAL SURVEY OP CANADA. 



PAGE. 



laxiflora, MX 88 



pubescens, Ait 88 



TILIACE^E (xxi) 88 



Tolmiea, T. & G 155 



Menziesii, T. & G 155, 525 



Tolmiea occidentalis, Hook 303 



Townsendia, Hook 218 



florifer, Gr 218, 544 



Parryi, Eaton, var. alpina, Gr...544 



sericea, Hook 218 



Tragopogon, L 284 



porrifolius. L 284,559 



pratensis, L 284 



Trautvetteria, Fisch 26 



grandis, Nutt 26 



occidentalis, Gr 26 



palmata, Fisch. & Meyer, var. ( 26 



occidentalis, Gr. \ 482 



Trichophyllum lanatum, Nutt 249 



Trientalis, L 313 



Americana, Pursh 313 



arctica, Fisch 313 



Europoea, L 313 



var. arctica, Ledeb.. .313, 565 



var. latifolia, Torr 313,565 



Europcui, MX 313 



latifolia, Hook 313 



Trifolium, L 104 



adculare, Nutt 105 



agrarium, L 106,506 



amplectans, L 106 



arvense, L 105 



depauperatum, Desv 106 



fimbriatum, Lindl 105 



furct/tum, Lindl 506 



gracilentum, T. & G 506 



heterodon, T. & G 105 



hybridum, L 106 



involucratum, Willd 105, 505 



var. heterodon, Wat 105 



involucratum, Smith 105 



longipes, Nutt 104 



medium, L 505 



megacephalum, Nutt 104 



microcephalum, Pursh. . . .106, 506 

 microcephalum, var. glabrum, 



Hook 105 



microdon, Hook. & Arn..l06, 506 



ornithopodioides, L 106 



pauciflorum, Nutt 105 



Pennsylvanicum, D.C 105 



polyphyllum, Nutt 105 



pratense, L 105 



procumbens, L 106 



reflexum, L 105 



repens, L 105 



resupinatum, L 106 



spinulosum, Dougl 105 



tridentatum, Lindl 105, 505 



variegatum, Nutt 105 



Wormskioldii, Lehm 105 



PAGE. 



Trigonella, L 506 



corniculata, L 506 



Triosteum, L 199 



majus, MX 199 



perfoliatum, .L 199, 540 



Tripolium angustum, Hook 228 



subulatum, Nees 228 



Trollius, L 25 



Americanus, Muhl 25 



laxus, Salisb 25, 482 



patula, Saiisb 25 



Troximon, Nutt 277 



aurantiacum, Hook 278, 558 



cuspidatum, Pursh 277 



Dens-leonis, Desf 279 



glaucum, Nutt 277 



var. dasycephalum, T. f 278 



&G \558 



var. parvifloruni,Gr...278, 558 

 var. taraxacifolium, Gr...278 



glaucum, var. a., Hook 278 



var. /?, Hook 278 



gracilens, Gr 279 



grandiflorum, Gr 279 



heterophy Hum, Greene 279 



humile, Gr 278 



laciniatam, Gr .278 



parviflorum, Nutt 278 



Tsuga, Carr 471 



Canadensis, Carr 471 



Mertensiana, Carr 471 



Pattoniana, Engelm 472 



Turritis brachycarpa, T. & G 43 



diffuna, Hook 47 



glabra, L 43 



var. j3, T. & G ;.... 43 



Isevigata, Muhl 44 



macrocarpa, Nutt 43 



mollis, Hook 42 



ovata, Pursh 42 



patula, Graham 42 



retrofracta. Hook 43 



spathulata, Nutt 43 



stricta, Grah 43 



Tussilago, Tourn 259 



Farfara 259 



frigida, L 260 



palmata, Ait 260 



sagittata, Ait 260 



Ulex, L 104 



Europseus, L 104 



Ulmus, L 427 



Americana, L 428 



Americana, Planchon 428 



var. pendula, Ait 428 



fulva.Mx ' 427 



racemosa, Thomas .428 



rubra, MX. f 427 



UMBELLIFEIUE (XLV) 178 



