Index to American botanical literature 587 



[Gibson, H. H.] American forest trees — 3.. Hard maple, Acer 

 Saccharum Marsh. Hardwood Record 19 8 : 12, 13. 10 F 1905 

 [Must.] 



[Gibson, H. H.] American forest trees — 4. Sycamore, Platanus 

 occidentalis Linn. Hardwood Record 19 9 : 12, 13. 25 F 1905 

 [Must.] 



[Gibson, H. H.] American forest trees — 5. American beech, 

 Fagus americana. Hardwood Record 19 10 : 14, 15. 10 Mr 1905. 

 [Must.] 



[Gibson, H. H.] American forest trees — 6. Black birch, Bet it la 

 /enfa Linn. Hardwood Record 19 11 : 12,13. 25 Mr 1905. [Must.] 



[Gibson, H. H.] American forest trees— 7. Black ash, Fraxinus 

 nigra Marsh. Hardwood Record ig u : 12, 13. 10 Ap 1905. 

 [Must.] 



[Gibson, H. H.] American forest trees — 8. Black walnut, Juglans 

 nigralAnn. Hardwood Record 20 1 : 14-16. 25 Ap 1905. [Must.] 



[Gibson, H. H.] American forest trees — 9. Basswood, Tilia ameri- 

 cana Linn. Hardwood Record 20 2 : 12, 13. 10 My 1905. [Must.] 



[Gibson, H. H.] American forest trees — 10. Cypress, Taxodium 

 distichum (Linn.) Rich. Hardwood Record 20* : 16, 18. 25 My 

 1905. [Must.] 



[Gibson, H, H.] American forest trees — 11. Chestnut, Castanea 

 dentata (Marsh.) Borkh. Hardwood Record 20 4 : 10, 11. 10 Je 

 1905. [Must.] 



[Gibson, H. H.] American forest trees — 12. White Ash, Fraxinus 

 americana Linn. Hardwood Record 20 5 : 12, 14. 25 Je 1905. 

 [Must.] 



[Gibson, H. H.] American forest trees — 13. Shagbark hickory, 

 Hicoria ovata (Mill.) Britton. Hardwood Record 20 6 : 12, 13. 

 10 Jl 1905. [Must.] 



[Gibson, H. H.] American forest trees — 14. Red oak, Quercus 

 rubra Linn. Hardwood Record 20 7 : 12, 13. 25 Jl 1905. [Must.] 



[Gibson, H. H.] American forest trees — 15. Silverbell tree, Mohro- 

 dendron carolinum (Linn.) Britton; Halesia tetraptera Ellis. Hard- 

 wood Record 20 8 : 10, 11. 10 Au 1905. [Must.] 



[Gibson, H. H.] American forest trees— 16. Black cherry, Prunus 

 serotina Ehrh. Hardwood Record 20 9 : 12, 13. 25 Au 1905. 

 [Must.] 



