No. 2, March, 1921] TAXONOMY OF VASCULAR PLANTS 215 



thurn, I. randaiense, Kadsura Malsudai, Eurya leptophylla, E. Matsudai, Camellia theifera 

 (Griff.) Dyer var. assamica (Masters) (Thea chinensis Hayata, in part, not Sims), Aclinidia 

 gnaphalocarpa, Reevesia formosana, Phellodendron Wilsonii Hayata & Kanehira, Euonymus 

 acutorhombifolia, E. batakensis, E. kuraruensis, E. Matsudai, Celastrus patentiflorus, Cas- 

 sine Matsudai, Crotalaria akoensis, Indigofera mansuensis , I. venulosa Champ, var. glauca, 

 Tephrosia ionophlebia, Milletia taiwaniana, Desmodium akoense, D. Shimadai, Uraria formo- 

 sana {Desmodium formosanum Hayata), U. yaeyamensis , Glycine pescadrensis, G. subonensis, 

 G. lomentella, Galactia lanceolata, Phaseolus heterophyllus, P. rot^mdifolius, Vigna acuminata, 

 Dolichovigna new genus of Leguminosae, D. formosana, D. rhombifolia, Dolichos Lablab L. 

 var. dolichocarpa, Albizzia longepedunculata. Spiraea tarokoensis, Filipendula kiraishiensis, 

 Viburnum Matsudai, V. taihasense, V. villosifolium, Lonicera japonica Thunb. var. semper- 

 villosa, L.rubropunclata, L. shintenensis, Uncaria formosana {Ourouparia formosana Hay &ta,), 

 U. uraiensis, Cephalanthus glabrifolius, C. ratoensis, Dentella Matsudai, Hedyotis kuraruensis, 

 Anolis formosana, Mussaenda albiflora, Chomelia gracilipes, C. kotoensis, C. lancifolia, 

 Randia suishaensis, Diplospora (?) buisanensis, Ixora gracilijlora, Psychotria (?) kotoensis, 

 P. macrophylla, Lasianthus hiiranensis, L. microstacthys, L. parvifolius, Paederia uraiensis, 

 P. villosa, Damnacanthus Tashiroi, Rhododendron nankotaisanense, Symplocos kiraishiensis, 

 S. Somai, S. sozanensis, Jasminum Shimadai, Osmanthus bibrac eatxis, 0. daibuensis, O. gamo- 

 stromus, O. Matsudai, Gardneria hongkongensis , Erycibe acutifolia (E. obtusifolia Hayata, 

 not Benth.), Ainbtdia stipilata, Lindernia stellar iifolia, L. cruciformis, Mimulus formosana, 

 Bonnaya aristato-serrata, Torenia hokutensis, T. nantoensis, Hygrophila pogonocalyx, Strobi- 

 lanthes lasiocalyx, S. longespicatus, S. prionophyllus, S. rankanensis, S. Tashiroi, Dicliptera 

 uraiensis, Helicia hainanensis, Elaeagnus buisanensis, E. convexolepidota, E. daibuensis, E. 

 erosifolia, E. grandifolia, E. longidruba, E. nokoensis, E. oiwakensis, E. paucilepidota, 

 Phyllanthus oligospermus, P. takaoensis, Glochidion chademenosocarpum, G. hypoleucum, 

 G. koionese, G. kusukusense, G. sphaerostigmum, G. suishaense, Antidesma acutisepalum, A. 

 hiiranense, A. rotundisepalum, Acalypha kotoensis, A. longe-acuminata, A. Matsudai, Claoxy- 

 Ion kotoense, Alchornea kelungensis, A. loochooensis (A. treivioides Hayata, not Muell. Arg.), 

 Euphorbia garanbiensis , E. liukiuensis, E. Tashiroi, Zelkova formosana, Z. tarokoensis, 

 Lithocarpus Nakaii, L. Matsudai, Dendrobitim alboviride, Bulbophyllum Somai, Eria Mat- 

 sudai, Calanthe Takeoi, C. Matsudai, Vanilla ronoensis, Galeola Matsudai, Gastrochilus 

 Matsudai, Orchis kiraishie^isis, Alpinia agiokucnsis, A. densespicata, A. dolichocephala, A. 

 hokutensis, A. kusshaku£nsis, A. mediomaculata, A. suishaensis, A. tonrokuensis, Pseudo- 

 smilax new genus of Liliaceae, P. seisuiensis, P. hogoensis, Smilax formosana, S. herbacea 

 L. var. daibuensis, S. horridiramula, S. ovato-rotunda, S. taiheiensis, S. takaoensis, S. tenuis- 

 sima, S. trachyclada, Heterosmilax raishaensis, Polygonatum arisanense, P. officinale All. 

 var. formosanum, Smilacina forynosana, Paris arisanensis, Metanarthecium formosanum, 

 Aspidistra daibuensis, A. 7nushaensis, Heloniopsis acutifolia, Arisaema quinquefoliola, and 

 A. Matsudai. — J. M. Greenman. 



1448. Henry, Augustine, and Margaret G. Flood. The Douglas firs: a botanical and 

 silvicultural study of the various species of Pseudotsuga. Proc. Roy. Irish Acad. B, 35: 67-90. 

 PL 12-14. 1920.— See Bot. Absts. 7, Entry 331. 



1449. Hitchcock, A. S. The genera of grasses of the United States with special reference 

 to the economic species. U. S. Dept. Agric. Bull. 772. 807 p., 20 pi, 174 fig. Government 

 Printing Office: Washington. 1920.— All genera of grasses are described that embrace native, 

 introduced, or cultivated species in the United States. Under each genus reference is made 

 to the type species and to species of economic importance, both useful and harmful plants. 

 The economic consideration takes into account the grasses that are used for hay or pasture 

 purposes, for cereal and sugar production, those used in broom and paper making, and the 

 ornamental species. Throughout the paper the word "grass" is used strictly in its botani- 

 cal sense; that is, as applying only to the plants of the family Poaceae or Gramineae. The 

 keys to the tribes and genera are arranged in a simple, workable way; and these, together 



