210 CATALOGUE OF THE CRETACEOUS AND [bull. 152. 
Salix sp., Kn. Bull. Geol. Soc. Am., vol. viii, p. 134, 1897. 
Fort Union group : Lightning Creek, Converse County, Wyoming. 
Salix sp., Kn. Bull. Geol. Soc. Am., vol. viii, p. 148, 1897. 
Laramie group: Bock Springs, Wyoming. 
Salix, fruiting catkin of, Lx. Fl. Dak. Gr., p. 51, pi. viii, f. 6, 1892. 
Dakota group: Near Delphos, Kausas. 
SALVINIA Adanson. Fatn. PI., vol. ii, p. 15, 1763. 
Salvinia Alleni Lx.= Tmesipteris Allen i. 
Salvinia atteuuata Lx.= Marsilea attenuata. 
Salvinia cyclophylla Lx.= Phyllites eyclophylla. 
Salvinia elliptica Newby. Mss. Hollick, Bull. Torr. Bot. Club, vol. 
xxi, p. 255, pi. ccv, f. 14, 14a, 15, 1894. 
Upper Cretaceous?: Carbonado, Washington. 
Salvinia sp., Kn. Bull. Geol. Soc. Am., vol. viii, p. 133, 1897. 
Laramie group: Lance Creek, Converse County, Wyoming. 
SANTALUM Linnaeus. Gen., ed. 2, p. 165, 1742. 
Santalum Americanum Lx. Cret. and Tert. Fl., p. 164, pi. xxxii, f. 7, 
1883. 
Green Biver group : Florissant, Colorado. 
SAPINDOPSIS Fontaine. Potomac Fl., p. 296, 1889. 
Sapindopsis brevifolia Font. Potomac FL, p. 300, pi. cliii, f. 4; civ, 
f. 1,7; clxiii, f. 3, 1889. 
Potomac formation : Near Brooke, Virginia. 
Sapindopsis cordata Font. Potomac Fl., p. 296, pi. cxlvii, f. 1, 1889. 
Potomac formation: Fredericksburg, Virginia. 
Sapindopsis elliptica Font. Potomac Fl., p. 297, pi. cxlvii, f. 3, 1889. 
Potomac formation : Fredericksburg, Virginia. 
Sapindopsis magnifolia Font. Potomac Fl., p. 297, pi. cli, f. 2, 3 ; clii, 
f. 2, 3 ; cliii, f. 2 ; cliv, f. 1, 5 ; civ, f. 6, 1889. 
Potomac formation : Near Brooke and White House Bluff, Virginia. 
Sapindopsis obtusifolia Font. Potomac Fl., p. 301, pi. clvi, f. 13; 
clix, f. 3-6, 1889. 
Potomac formation : Deep Bottom and near Brooke, Virginia. 
Sapindopsis parvifolia Font. Potomac Fl., p. 300, pi. cliv, f. 6, 1889. 
Potomac formation : Near Brooke and White House Bluff, Virginia. 
Sapindopsis tenuinervis Font. Potomac Fl., p. 30 L, pi. cliii, f. 1, 1889. 
Potomac formation: Near Brooke, Virginia. 
Sapindopsis variabilis Font. Potomac FL, p. 298, pi. cli, f. 1; clii, f. 
1, 4; cliii, f. 3; cliv, f. 2-4; civ, f. 2-5, 1889. 
Potomac formation : Near Brooke and White House Bluff, Virginia. 
SAPINDUS Tournefort ex. Linnaeus. Gen. PI., ed. i, p. 359, 1737. 
Sapindus affinis Newby. Later Extinct Floras, p. 51, 1868. 
Fort Union group: Gladstone, Dakota; Great Valley, Montana; 
Woody Mountains, British Columbia. 
