82 BOTANY OF LA SALLE COUNTY. 



C, -procumbeus. Reclining; flowers W. Moist 



grounds. 



OSMORRHIZA. P. Sweet Cicely. Root thick, 

 aromatic; leaves large ternately compound with 

 ovate, toothed leaflets. Flowers W. 

 O. brevistylis. Hairy, dark G. fruit long, sharp- 

 pointed. M. J. Damp woods. 



O. longistylis. Nearly smooth, wide-branching; 



fruit club shaped, pointed. 



ERYNGIUM. P. Tall, stout, rigid, whitish; leaves 

 mostly radical, thick, stiff. 



E}. yuccaefolium. Rattlesnake Master. Button 

 Snakeroot. Leaves long, narrow 7 , acute, bristly 

 margined; flowers W. in close heads ^4 to ^4. 

 dia. Prairie, damp or dry. 



SANICULA P. Herbs, smooth, tall, 1 to 3 ft. palm- 

 ately lobed leases, radical ones long stemmed; 

 flowers in a leafy looking head, fruit with 

 hooked prickles. 



S. Marylan dica. Black Snakeroot. Leaves 3 to 

 1 parted, parts sharp toothed and serrate; flow- 

 ers very small, G. Y. Damp woods. 



Order 49. ARALIA. Ginsengs. 



Differs from umbelliferae in the fruit being a 

 juicy berry instead of a dry seed. Styles of 

 pistils more than 2. 



ARALIA. P. Ginseng. Wild Sarsaparilla. Leaves 

 very large 2^2 to 3 ft. broad, compound, stems 

 P. or spotted and striped with P. 



A. spinosa. Stem and petioles prickly; 8 to 12 ft. 

 Sometimes planted for ornament. 



A. racemosa. Stout, zigzag, smooth; flowers in 

 small axillary umbels, G. W. fruit a small, P., 

 aromatic berry. 3 10 4 ft. Rocky woods. 



A. nudicaulis. Leaf one, 3 parted, each of 5 oval, 



