LIST OF HIGHER SEED-PRODUCING PLANTS. 187 
Living species: 2; S. Europe and the Orient, 1; Japan, 
N. America and Mexico, 1. 
Fossil species: 6 Tertiary, Greenland, Aix, Switz- 
erland, Japan (Saporta, Heer, Nathorst); O. ostrya (Linn.) in 
Tertiary of Japan. 
Ostrya ostrya (Lryvy.). 
Carpinus ostrya LINN. Spec. 998 (1753) in part. 
C. virginiana MILL. Dict. (1768). 
C. triflora MoENCH, Meth. 394 (1794). 
C. ostrya var. americana MicuHx. Fl. N. Am. II, 202 (1803). 
Ostrya virginica WILLD. Spec. IV, 469 (1805). 
O. virginiana Ikocu, Dendr. IT, 2, § (1873). 
Wats. and Coult., Gray’s Man. 6 ed. 474; Mac., Fl. Can. I, 430; Britt., 
Fl. N. J. 222; Webb., Fl. Neb. 109; Chap., Fl. S. St. 426; Upham, Fl. Minn. 
127; Cov., Fl. Ark. 220; Engl. Prantl, Nat. Pflanz. III, 1, 43. 
Japan. 
North America: Cape Breton, N. S., N. Br., N. Su- 
perior region to Man.; S. to N. Eng., N. J. and Fla.; W. to 
Minn., Neb., Wyom., Kan., Ark., and S. to Mexico. 
Minn. valley: Throughout, principally forest district ; 
rich woods and along streams. 
Hers.: Ballard 293n, Jordan, Scott Co.; Taylor 884, 
Glenwood; Ballard 396, Jordan, Scott Co.; Holzinger 255, Wi- 
nona Bluffs; Oestlund 178, Hennepin Co.; Sandberg 501, Cannon 
Falls; Bailey 232, Vermilion lake; Herb. Sheld. 1740, Minne- 
apolis; Herb. Moyer 224, Carlton lake, Chippewa Co. 
CORYLUS Linn. Gen. 730 (17387). 
Baillon, Hist Pl. VI, 255; Benth. and Hook., Gen. Pl. III, 406; Durand, 
Ind, Gen. Phan. 381; Engler and Prantl, Nat. Pflanz. 3, I, 438: Schenck, 
Palaeophyt. 422. 
Living species: 7; Middle and 8. Europe, the Orient, 
Central and E. Asia and N. Amer. Europe, 3; Russia, 1; 
Russian Europe, 1; N. America, 2; Atl. states, 2; Pac. states, 
1; Asia, 4. 
Fossil species: 18; Tertiary, N. Greenland, Spitz- 
bergen, Shetland, Africa, Japan, Amurland, Himalayas, China, 
Saghalin, Grinnell-Land, Alaska, Wyoming, Nebraska (Heer, 
Lesquereaux, Nathorst, Unger, etc.); Quaternary—interglacial, 
Hanover. 
Corylus rostrata Art. Hort. Kew. III, 364 (1789). 
?C. avellana Lep. FI. Ross. III, 588 (1851) in part. 
C. rostrata var, mandschurica REGEL, Veg. Amur, 489 (1858). 
Wats. and Coult., Gray’s Man. 6 ed. 474: Britt., Fl. N. J. 222: Mac., 
Fl. Can. I, 439; Chap., Fl. 8. St. 425; Upham, Fl. Minn. 127; Coult., Fi. 
