Second Supplementary List. 
177 
567. Burrillia pustulata, Setchell. 
On Sagittaria variabilis , Engelm., Madison. 
(Trelease). Preliminary List, 264 in part jide 
Setchell (Annals of Botany VI.-21-37, April, 1892). 
INDEX TO HOSTS. 
Abies balsamea, 557a. 
Acer spicatum, 529. 
Acer saccharinum, 529. 
Aesculus hippocastanum, 111. 
Agropyrurn repens, 67. 
Alnus incana, 497, 498. 
Alopecurus geniculatus, 392. 
Ambrosia trifida, 503, 537. 
Amelanchier alnifolia, 501. 
Andromeda polifolia, 504. 
Angelica atropurpurea, 331. 
Apium graveolens, 540. 
Arabis perfoliata, 4. 
Aralia nudicaulis, 519. 
Arctostaphylos uva-ursi, 285, 479. 
Asclepias cornuti, 546. 
Asclepias incarnata, 546. 
Aspidium thelypteris, 341. 
Asprella, 535. 
Aster diffusus, 83. 
Aster paniculatus, 256. 
Aster puniceus, 450. 
Aster vimineus, 401. 
Cacalia reniformis, 242. 
Calamagrostis canadensis, 392, 516. 
Caltha palustris, 548. 
Capsella bursa-pastoris, 517. 
Cardamine rhomboidea, 4. 
Carex limosa, 558. 
Carex stricta, 558. 
Carex, 515. 
12 
Cassandra calyculata, 506, 507. 
Caulophyllum thalictroides, 508. 
Chimaphila umbellata, 555. 
Chiogenes serpyllifolia, 554. 
Cnicus muticus, 5. 
Cornns alternifolia, 40. 
Crataegus, 44. 
Desmodium canadense, 37. 
Dianthus caryophyllus, 545. 
Dioscorea villosa, 509. 
Draba caroliniana, 16. 
Eleocharis palustris, 464. 
Elymus striatus, 199. 
Elymus, 535. 
Epilobium angustifolium, 478. 
Equisetum hyemale, 505. 
Eupatorium ageratoides, 48, 553. 
Euphorbia polygonifolia, 352a. 
Fagopyrum esculentum, 387. 
Floerkea proserpinacoides, 487. 
Fraxinus americana, 522, 538. 
Galium circaezans, 439. 
Galium trifidum, 439. 
Galium, 552. 
Geranium maculatum, 510. 
Glyceria fluitans, 67, 392, 559, 566. 
Glyceria nervata, 518. 
Hamamelis virginiana, 499. 
Helenium autumnale, 256. 
