u8 ROSE FAMILY 



Wood brown, coarse-grained, light, soft, weak, durable in the ground, 

 weight 28 lbs. ; much used for fence posts and rails. 



Catalpa speciosa W arder 1880 Hardy Catalpa 



Tree, 30-80 ft. high, J^-3 ft. diam. ; bark gray-brown, with shallow- 

 furrows; leaves very large, broadly ovate, entire, rarely 3-lobed, tip long- 

 pointed, base truncate to heart-shaped, smooth above, hairy below, 15-25 

 cm. long, 10-25 cm. wide, petioles 10-20 cm. long; flowers few in large 

 panicles 12-20 cm. long, white, spotted with yellow and purple, 6-7 cm. 

 long; capsules 15-40 cm. long, 12-20 mm. wide, the winged seeds 4-5 

 cm. long, 5-6 mm. wide : speciosa, beautiful, in reference to the habit 

 and flowers. 



Frequently cultivated but scarcely hardy north of Minneapolis; Ind- 

 Tenn-Ark-Mo-Ill. ; a rapidly growing tree, much planted for railway ties, 

 and also of much charm as an ornamental, owing to its flowers. 



Wood light brown, coarse-grained, light, soft, weight 26 lbs. ; much 

 used for fence posts, rails, railway ties, and occasionally for furniture and 

 interiors. 



Rosales Rose Order 



Rosaceae Rose Family 



Herbs, shrubs or trees, with alternate, simple or compound leaves, 

 stipules commonly present; flowers perfect or sometimes polygamo-dioeci- 

 ous; sepals 5, often with 5 bractlets alternating with them; petals 5, or 

 rarely none; stamens mostly numerous, inserted on the edge of a disk: 

 pistils 1-many, simple and free or united below into a 2-10 celled, com- 

 pound ovary; styles terminal or lateral; ovules 1-2 or several; fruit 

 various, achenes, follicles, pomes or drupes. 



KEY TO THE GENERA 



1. Leaves compound 

 a. Pistils numerous, more than 5, fruit achenes. 

 drupelets, or nutlets 



(1) Flowers yellow, fruit ripening into dry, 



hairy achenes; smooth shrub Potentilla 



(2) Flowers white or pink, fruit drupelets or 



nutlets; spiny or prickly shrubs 

 (a) Pistils on a raised or conical re- 

 ceptacle, fruit an aggregate of 

 drupelets Rubus 



