318 Index to American botanical literature 



[Gibson, H. H.] American forest trees — 57. Tupelo, Nyssa aqua- 

 tica Linn. Hardwood Record 24 7 : 16, 17. 25 Jl 1907. [Must.] 



[Gibson, H. EL] American forest trees — 58. Rock elm, Ultnus 

 racemosa Thomas. Hardwood Record 24 s : 16, 17. 10 Au 1907. 

 [Illust.] 



[Gibson, H. H.] American forest trees — 59. White cedar or arbor- 

 vitae, Thuja occidentalis Linn. Hardwood Record 24 9 : 16, 17. 

 25 Au 1907. [Illust.] 



[Gibson, H. H.] American forest trees — 60. Tamarack, Larix fori- 



cina Koch, Larix americana Michx. Hardwood Record 24 10 : 16, 

 17. 10 S 1907. [Illust.] 



[Gibson, H. H.] American forest trees — 61. Persimmon, Diospyros 



virginiana Linn. Hardwood Record 24 11 : 16, 17. 25 S 1907. 

 [Illust.] 



[Gibson, H. H.] American forest trees — 62. Dogwood, Cornus 



florida Linn. Hardwood Record 24 12 : 16, 17. 10 O 1907. 

 [Illust.] 



[Gibson, H. H.] American forest trees — 63. Red or slippery elm, 



[in 



fulva Michx. Hardwood Record 25 1 : 16. 25 O 1907 



[Gibson, H. H.] American forest trees — 64. Redwood, Sequoia 



sempervirens Endl. Hardwood Record 25* : 16, 17. 10 N 1907- 

 [Illust.] 



[Gibson, H. H.] American forest trees — 65. Douglas fir, Pseudo- 

 tsuga taxifolia Britton. Hardwood Record 25 s : 16, 17. 25 N 

 1907- [Illust.] 



[Gibson, H. H.] American forest trees — 66. Noble fir or Oregon 

 larch, Abies nobilis Lindl. Hardwood Record 25 4 : 16, 17. 10 D 

 1907- [Illust.] 



[Gibson, H. H.] American forest trees — 67. Western or Pacific 

 Coast cedar, Thuja p lie at a Don, Thuja gigantea Nutt. Hardwood 

 Record 25* : 16, 17. 25 D 1907. [Illust.] 



Hempelii Fobe. Monats. Kakteenk. 17 : 



M 



187, 188. 15 D 1907. 



Giirke, M. Mamillaria radians P. DC. Monats. Kakteenk. 17 ■ l V 

 -182. 15 D 1907. 



Gurke, M. Rhipsalis pilocarpa Loefgr. Monats. Kakteenk. 17 : l82 

 -184. 15 D 1907. 



