170 ESSAYS. 
to North America and temperate Asia; and sixty-three (7. ¢., 
more than three quarters) of these are not met with in western 
North America. 
This table may be compared, or rather contrasted, with the fol- 
lowing one. 
ExrraA-EvRoOPEAN PLANTS OF TEMPERATE EASTERN ASIA WHICH ARE REP- 
RESENTED IDENTICALLY OR BY SOME NEAR RELATIVE IN OREGON (SOUTH 
or Lar. 48°) on CALIFORNIA (ARCTIC-ALPINE PLANTS EXCLUDED), BUT 
NOT IN THE ATLANTIC UNITED STATES: — 
Thalictrum sparsiflorum. 
Ranunculus affinis. ‘ 
Coptis occidentalis. 
‘*  brachypetala and Teeta. 
Aconitum delphinifolium. 
Pceonia spp. 
Berberis § Mahonia spp. 
Epimedium § Aceranthus sp. 
Achlys Japonica. 
Corydalis pxonivfolia. 
Meehringia umbrosa. 
Linum perenne. 
Thermopsis fabacea. 
Astragalus adsurgens. 
Chamzrhodos erecta. 
Spirza callosa. 
Rubus spectabilis. 
Pyrus rivularis ? 
Crategus sanguinea. 
Rosa Kamtschatica. 
Photinia arbutifolia. 
Saxifraga Sibirica. 
Mitella § Mitellaria spp. 
Glehnia Tittoralis. 
Oplopanax horrida. 
Echenais carlinoides. 
Lonicera Maximowiczii. 
Gaultheria adenothrix. 
Rhododendron ovatum and semibarba- 
tum. 
Pyrola subaphylla. 
Villarsia Crista-galli, 
Lycopus lucidus. 
Boschniakia glabra. 
Echinospermum patulum. 
Redowskii. 
Hottuynia cordata. 
Quercus spp. 
Castanopsis spp. 
Lysichiton Camtschatcense. 
Erythronium grandiflorum. 
Carex macrocephala, 
Triticum egilopoides. 
Elymus Sibiricus. 
Abies Menziesii. 
Woodwardia radicans, 
Thalictrum sparsiflorum. 
Ranunculus affinis. 
Coptis occidentalis. 
** _ asplenifolia. 
Aconitum delphinifolium. 
Peeonia Rossii.) 
Berberis § Mahonia spp. 
Vancouveria hexandra. 
Achlys triphylla. 
Corydalis pzonizfolia. 
Meehringia macrophylla. 
Linum perenne. 
Thermopsis fabacea. 
Astragalus adsurgens. 
Chamzrhodos erecta. 
Spirzea Nobleana. 
Rubus spectabilis. 
Pyrus rivularis. 
Crategus Douglasii. 
Rosa Kamtschatica. 
(Photinia serrulata.) 
Saxifraga Sibirica. 
(retells § Mitellaria spp.) 
lehnia littoralis. 
Oplopanax horrida. 
Echenais carlinoides. 
Lonicera Breweri. 
Gaultheria Myrsinites. 
Rhododendron albiflorum. 
Pyrola aphylla. 
Villarsia Crista-galli, 
Lycopus lucidus. 
Boschniakia glabra. 
Echinospermum patulum. 
Redowskii. 
Anemiopsis Californica. 
ees densiflora.) 
Castanopsis chrysophylla.) 
Lysichiton Camtchatcense. 
Erythronium grandiflorum. 
Carex macrocephala, 
Triticum gilopoides. 
Elymus Sibiricus. 
Abies Menziesii. 
Woodwardia radicans. 
The entries are only forty-five; and the representation, when at 
all close,"is by identical or nearly identical species. Only seven of 
the genera here noted are peculiar to northeastern Asia and north- 
western America: namely, Glehnia, Oplopanax, and Lysichiton, 
each of a single species common to both coasts; Achlys, of which 
ilivie is a Japanese species said to differ from the American ; Bosch. 
