KEY TO THE SPECIES OF ASHES 



1. Flowers with corolla, perfect, showy, in terminal panicles; leaves 5—7 



inches long with 3-7, lanceolate, stalked leaflets; Southwest 



F. cuspidata. Fragrant Ash, p. 345. 



1. Flowers without corolla, dioecious or polygamous, axillary panicles. 

 2. Leaflets }^-H inch long, spatulate; leaves 13^-3 inches long; 



Southwest F. greggii, Gregg Ash, p. 345. 



2. Leaflets 1-6 inches long; leaves (unless simple) over 3 inches long. 

 3. Twigs 4-angled; fruit compressed, oblong wing extending to 

 base. 



4. Leaves 8-12 inches long with 5-11 leaflets; flower with 

 minute calyx; Eastern F. quadrangulata. Blue Ash, p. 353. 

 4. Leaves 1 ^-6 inches long with 1-5 leaflets; Southwest. 



5. Leaflets 1 (rarely 2-3) ; fruit 3^ inch long 



F. anomala, Singleleaf Ash, p. 345. 



5. Leaflets 5 (rarely 3); fruit 1-1 }/2 inches long. 



6. California F. dipetala, Two-petal Ash, p. 347. 



6. Arizona F. lowellii, Lowell Ash, p. 355. 



3. Twigs terete. 



7. Body of fruit compressed; oblong wing extending to base. 



8. Leaves 12-16 inches long; leaflets 7-11 ; Northeast 



F. nigra. Black Ash, p. 351. 



8. Leaves 5-12 inches long; leaflets 3-7; Southeast 



F. caroliniana, Carolina Ash, p. 351. 



7. Body of fruit nearly terete; wing not decurrent to base. 



9. Wing terminal, linear to oblanceolate; leaflets stalked. 

 10. Leaves 8-12 inches long, with 7 (rarely 5 or 9) 



leaflets; Eastern . F. americana. White Ash, p. 347. 



10. Leaves 5-8 inches long, with 5 (rarely 7) leaflets; 

 Texas and Oklahoma F. texensis, Texas Ash, p. 347. 



9. Wing decurrent to below middle of fruit body. 



11. Lateral leaflets usually sessile, 7 (rarely 3 or 5); West 

 Coast F. latifolia, Oregon Ash, p. 353. 



11. Lateral leaflets stalked. 



12. Leaves 9-18 inches long, with 7-9 leaflets; 

 Eastern. 



13. Fruit 2-3 inches long; tree of coastal or river 



swamps F. profunda, Pumpkin Ash, p. 349. 



13. Fruit 1-2^2 inches long; not in deep swamps. 



14. Leaves, petioles, and twigs glabrous 



F. pennsylvanica lanceolata. 



Green Ash, p. 349. 



14. Leaves, petioles, and twigs hairy 



F. pennsylvanica, Red Ash, p. 349. 



12. Leaves 3-7 inches long, with 3-5 leaflets; South- 

 west. 



15. Fruit 1-1 H inches long 



F. berlandieriana, Berlandier Ash, p. 355. 



15. Fruit H inch long F. velutina. Velvet Ash, p. 355. 



* * * 



SYTRACACEAE 



Bigleaf snowbell, Styrax grandifolia Ait., extending from Virginia 

 to Louisiana, resembles halesia, but differs from it in the fruit, 

 which is a subglobose, tomentose drupe about Vz inch long, and 

 the 5-7 parted corolla. Rarely reaches tree size. 



* * * 



SYMPLOCACEAE 



Sweetleaf, Symplocos tinctoria (G.) L'Her., extending from 

 Delaware to Florida and west to Tennessee, Arkansas, and 

 Texas has oblong, nearly entire, thick, alternate, subpersistent 

 leaves 5-6 inches long; small, yellow, fragrant flowers borne in 

 dense, axillary spikes; and a dry, brown drupe about H inch 

 long. Rarely reaches tree size. 



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