I N DEX 



709 



Gametophore of Conocephalum conicum. 

 The development of the sporogoniuni 

 and adjacent tissues of the, 615 



Caylusaccia baccata, 664 ; frondosa, 

 664 ; resinosa, 664 



Genera among the bacteria, A statisti- 

 cal criterion for species and, 31 



Genera of fungi, The present treatment 

 of monotypic^ 147 



Gentiana, 545; Elliottii, 637; quinque- 

 folia, 659 



Genus Ceratopteris : a preliminary re- 

 vision. The, 463 



Genus Neomeris and notes on other 

 Siphonales, The, 75 



Genus Usnea, as represented in New 

 England, Preliminary notes on the, 



309 

 Geocalyx graveolens, 6s7, 658, 662 

 Georgia, Some coastal plain plants in 



the Piedmont region of, 583 

 Geranium Robertianum, 658, 660, 668- 



670 



Gerardia, 163; domingensis, 163; flava, 



666 

 Geum album, 666 ; virginianum, 666 

 GiHbertia, 644 ; brachypoda, 644 ; in- 



sularis, 644 ; laurifolia, 644 

 Gillena, 398 



Gillenia, 398; trifoliata, 659 

 Glaucium, 545 



Gleason, H. a. Some unsolved prob- 

 lems of the prairies, 265 



Gloeosporium, 148 



Glyceria fluitans, 377 



Goniostachyum citrosum, 162; grave- 

 olens, 162 



GooDLATTE, A. R- Notcs OH the anat- 

 omy of Parosela spinosa (A. Gray) 

 Heller, 573 



Goodyera, 546 ; pubescens, 662 

 Graham, M. The development of the 



sporogonium and adjacent tissues of 



the gametophore of Conocephalum 

 conicum, 615 



Greeneocharis, 678 ; circumscissa, 



677 

 Gregory, L, H. Notes on the effect of 



mechanical pressure on the roots of 

 Vicia Faba, 457 



Griggs, R. F. On the characters and 



relationships of the Platanaceae, 389 

 Growth and leaf content, The study of 



winter buds with reference to their, 



117 

 Growth exhibited by ostrich ferns, The 



power of, 221 



Gruenberg, B. C. Some aspects of the 



mycorhiza problem, 165 

 ^Gunnera, 206, 210, 216, 217; Hamil- 



tonii, 216; macrophylla, 206, 216, 217 



1 



Gymnadeniopsis clavellata, 12 

 Gymnoascus, 236 



Gymnocolea laxifolia, 304 



Gyroceras Celtidis, 155 ; divergens, 



155 

 Habenaria lacera, 659; Nuttallii, 635 



Halimeda, 93^ 94 ; lacrimosa, 93, 94, 



100, 102 ; Tuna, 94 



Hamamelis virginiana, 656, 661, 663, 

 664, 668 



Haplosporella, 337 



Harper, R, M. Some coastal plain 

 plants in the Piedmont region of 

 Georgia, 583 



Harsiiberger, J. W, The plant forma- 

 tions of the Nockamixon Rocks, 

 Pennsylvania, 651 



Hawaiian Scaevola, A new, 645 



Heckeria, 216 



Hedeoma Drummondii, 685 ; longi- 

 flora, 685 ; ovata, 685 ; pulegioides, 

 666 ; sancta, 685 ; thymoides, 685 



Hedysarum, 545 



Helenium autumnale, 671 



Helianthus angustifolius, 586; arinuus, 



457 ; decapetalus, 658, 659 ; divari- 



catus, 666 ; strumosus, 666 ; tuber- 



osus, 492 

 Helleborine, 543-548 ; africana, 546 ; 



atropurpurea, 543, 547 ; babiani- 



folia, 547 ; consimilis, 547 ; gi- 



gantea, 547 ; latifolia. 543, 547 ; 

 longifolia, 547; micropliylla, 547; 

 orbicularis; 547; palustris, 543, 544, 

 547 ; papillosa, 547 ; pycnosta- 

 chys, 547 ; somaliensis, 547 ; 



Timnbergii, 547 ; trinervia, 547 



Helleborine Hill or Epipactis Adans, ?, 



543 

 Helleborus, 545 ; niger, 671 



Hemerocallis fulva, 7 

 Hepatica triloba, 659, 661, 668 

 Hepaticae from the state of Washing- 

 ton, Some noteworthy, 299 

 Herminium, 546 

 Herpotrichia rhodospila, 154 ; rhodo- 



spiloides, 154 



Heteranthera dubia, 3 



Heuchera americana, 660, 668, 670 



Hibiscus Trionum, 672 



Hicoria, 122, 130, 132, 140; alba, 19; 

 glabra, 19, 663; microcarpa, 19, 119, 

 529, ^33 ; ovata, 20, 118, 122, 128, 

 129, 131, 664 



Hieracium canadense, 666 ; paniculatum. 

 666 ; scabrum, 666 ; venosum, 666 



Hoff's law, Osmotic theories, with spe- 

 cial reference to van't, 283 



Holodiscus, 400; argenteus bifrons, 

 403 ; australis, 401, 402 ; dumosus, 

 401 ; microphyllus, 401 



