160 Order SAPINDALES 
6. SANTALACEZ. 
Sandalwood Family. 
1. Comandra. 345. 
Leaves lanceolate to oblong, bright green. 1. C. umbellata. 
Leaves, at least those of the branches, linear, glaucous. 2. C. pallida. 
1. Comandra umbellata (L.) Nutt. Toad-flax. 
In the southeastern part of the state. Ft. Robinson; Hooper; Lin- 
coln; Ponca; Valentine; Weeping Water. 
2. Comandra pallida A. DC. 
In dry soil in the western part of the state. Banner county; Cherry 
county; Ewing; Sioux county; Stratton; Thedford. 
SAPINDALES. 
Leaves opposite. 
Leaves palmately compound. 1. Hippocastanacez. 
Leaves simple or pinnately compound. 2. Aceracee. 
Leaves alternate in our species. 
Leaves compound in our species. 
Flowers in terminal or axillary panicles; fruit a small drupe. 
3. Anacardiacee. 
Staminate flowers in drooping aments, the pistillate solitary or 
several together; fruit a nut covered with husk. 
4, Juglandacee. 
Leaves simple; the staminate flowers in aments. 
Style branches 2; pistillate flowers in aments except in corylus. 
5. Betulacee. 
Style branches 3 or more; pistillate flowers not in aments, sub- 
tended by an involucre which becomes a bur or cup in fruit. 
6. Fagaceez. 
1. HIPPOCASTANACE2. 
Buckeye Family. 
1. Zsculus. 609. 
1. Hsculus glabra Willd. Ohio Buckeye. 
In the southeastern part of the state. Nemaha, Pawnee, and Rich- 
ardson counties. 
2. ACERACEA. 
Maple Family. 
1. Acer. 607. 
Leaves simple. 
Leaves 1-1.5 dm. long, silvery white and pubescent beneath; 
eastern. 1. A. saccharinum. 
Leaves 3-8 cm. long, glabrous on both sides; western. 
2. A. glabrum. 
Leaves pinnately compound. 3. A. negundo. 
1. Acer saccharinum L. Soft Maple. 
Along streams in the southeastern part of the state. Lincoln; Ne- 
braska City; Wymore. 
