INDEX TO VOLUME X 
569 
Compositae, self-sterility in, 467 
Conocephalum, 171 
Coprosma foetidissima, 530; grandifolia, 
519; lucida, robusta , 521 
Cordyline australis, 520 
Corn, optimum soil-moisture conditions 
for, 134 
Cornus controversa, protein and ash content 
of twigs of, 379; florida, 174, 506 
Corynella, 487 
Corypha umbraculifera, flowering of, 99 
Coursetia, 487 
Cracca, 486; Brandegei, 491; foliosa, 491; 
leucantha, 491; rhodantha, 491; vicioides, 
491; virginiana, 490 
Cross- and self-sterility, genetical aspects of, 
468 
Cryptocarya Palmerstoni , 44 
Cryptomorpha, a new section of Saxifraga, 
294 
Cryptostemma Calendulacea , 178 
Currant, self- and cross-sterility in, 474, 477 
Curtis, Otis F. The effect of ringing a 
stem on the upward transfer of nitrogen 
and ash constituents, 361 
Cuscuta acuta , 12; cristata , 8; globosa , 10; 
gymnocarpa, 3; indecora, 9, v. bifida, 10, 
v. integriuscula , 10, v. longisepala, 10, v. 
neuropetala, 9, v. subnuda, 9; insquamata, 
12; micrantha, 11, v. latifiora, 11, v. 
typica, 11; obtusiflora, 2; parviflora, 7, 
v. elongata, 8, v. typica, 8; pentagona, 3, 
v. calycina, 3, v. subulata, 3, v. typica, 3; 
platyloba, 6; racemosa, 5, v. miniata, 6, v. 
nuda, 6, v. typica, 5; stenolepsis, 7; suaveo- 
lens, 4 
Cuscuta, revision of the South American 
species of, II, 1 
Cyathea dealba'ta, 519; Kermadecensis, 531; 
medullaris, 519 
Cyathodes, 524 
Cyathophorum pennaium, 530 
Cycadofilices, cambium of, 505 
Cycas media, 44 
Cyclophora confluens, 47; serpens, 47 
Cymbidium, 47 
Cynara Cardunculus, 178 
Dacrydium cupressinum, 519 
Daedalacanthus, 510 
Dampiera, 52; 180 
Darling, Chester Arthur. Chromosome 
behavior in Acer platanoides L., 450 
Darlingia, 44 
Daubentonia punicea, 498 
Daubentoniopsis longifolia, 497 
Davallia, 55; dubia, 47; pyxidata, 47 
Davis, Bradley Moore. Pollen- and seed- 
sterility in hybrids, 462 
Dawsonia, 56; superba, 175, 530 
Degeneration of germ cells in the potato, 
the formation and, 325 
Dendrobium, 517; acuminatum, 47; crumen- 
atum, the gregarious flowering of the 
orchid, 32, 107; Cunninghamii, 519; 
speciosum, 51; undulatum, 41 
Dendrocalamus arundinacea, flowering of, 
97; giganteus, flowering of, 102; strictus, 
flowering of, 97 
Dianella, 181 
Diaporthe phaseolorum, 248 
Dicksonia antarctica, 175, 530; lanata, 519; 
squarrosa, 529 
Dictyostelium, cell differentiation in, 393 
Dillenia philippinensis, 506 
Diospyros virginiana, meristems of, 503 
Diphysa, 486 
Diplarrhena Moraea, 176 
Disease resistance induced by low soil- 
moisture, experiments dealing w r ith, 142 
Disosteira, chromosomes of, 355 
Diuris, 181 
Dodonaea, 521 
Doodia, 55 
Dorsey, M. J. Sterility in relation to hor¬ 
ticulture, 474 
Doryanthes excelsa, 52; excelsa, Palmerstoni, 
174 
Dracophyllum, 532; Traversii, 526 
Drapetes, 534 
Drimys, secondary xylem of, 505 
Drosera, 181; binata, 54 
Drosophila, impure species in, 466 
Durham, George B. (See Edmund W. 
Sinnott, 278) 
Earina, 532 
East, E. M. Genetical aspects of self- 
and cross-sterility, 468 
Echinopogon ovatus, 533 
Elaeocarpus, 523; Hookerianus, 530 
Embothrium, 44 
Enargia, 534 
Epacris sp., 54, 177, 533 
Erdman, L. W. (See A. L. Bakke, 18) 
Eriostemon, 51 
