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41.
The middle American species of Lonchocarpus, by Henry Pittier. by Series: Smithsonian Institution. United States National Museum. Contributions from the United States National Herbarium ; v. 20, pt. 2
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. Print. Off., 1917
Availability: No items available.

42.
Grasses of the West Indies. By A. S. Hitchcock and Agnes Chase. by Series: Smithsonian Institution. U.S. National Museum. Contributions from the U.S. National Herbarium ; v. 18, pt. 7
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. Print. Off., 1917
Availability: No items available.

43.
The North American species of Aquilegia. By Edwin Blake Payson. by Series: Smithsonian institution. United States National museum. Contributions from the United States national herbarium ; v. 20, pt.4
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1918
Availability: No items available.

44.
The allies of Selaginella rupestris in the southeastern United States. By G. P. Van Eseltine. by Series: Smithsonian institution. United States national museum. Contributions from the United States national herbarium ; v. 20, pt.5
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1918
Availability: No items available.

45.
A study of Allocarya. By Charles V. Piper. by Series: Smithsonian Institution. United States National Museum. Contributions from the United States National Herbarium ; v. 22, pt. 2
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. Print. Off., 1920
Availability: No items available.

46.
The North American species of Asterella, by Alexander W. Evans. by Series: U. S. National museum. Contributions from the U.S. National herbarium ; v. 20, pt. 8
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1920
Availability: No items available.

47.
Flora of Glacier National Park, Montana, by Paul C. Standley. by Series: Smithsonian Institution. United States National Museum. Contributions from the United States National Herbarium ; v. 22, pt.5
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. Print. Off., 1921
Availability: No items available.

48.
The North American species of Pennisetum. By Agnes Chase. by Series: Smithsonian institution. U.S. National museum. Contributions from the U.S. National herbarium. v. 22, pt. 4
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1921
Availability: No items available.

49.
Revisions of the genera Acanthospermum, Flourensia, Oyedaea, and Tithonia, by S. F. Blake. by Series: Smithsonian institution. United States National museum. Contributions from the United States National herbarium ; v. 20, pt.10
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1921
Availability: No items available.

50.
The identification of Berberis aquifolium and Berberis repens, by Charles V. Piper. by Series: Smithsonian institution. United States National museum. Contributions from the United States National herbarium ; v. 20, pt.11
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1922
Availability: No items available.

51.
New plants from Guatemala and Honduras, by S. F. Blake. by Series:
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. Print. Off., 1922
Availability: No items available.

52.
Native names and uses of some plants of eastern Guatemala and Honduras. By S. F. Blake. by Series: United States National Museum. Contributions from the United States National Herbarium ; v. 24, pt. 3.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. Print. Off., 1922
Availability: No items available.

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54.
Les filicinées du Québec ... by Series: Montréal. Université. Laboratoire de botanique. Contributions ; no. 2
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Montréal [Imprimerie populaire, limitée] 1923
Dissertation note: Thèse--Unvi. de Montréal.
Availability: No items available.

55.
Economic fruit-bearing plants of Ecuador, by Wilson Popenoe. by Series: Smithsonian Institution. U.S. National Museum. Contributions from the U.S. National Herbarium ; v. 24, pt. 5
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. Print. Off., 1924
Availability: No items available.

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59.
Flora of Utah and Nevada. By Ivar Tidestrom. by Series: Smithsonian Institution. U. S. National Museum. Contributions from the United States National Herbarium ; v. 25
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. Print. Off., 1925
Availability: No items available.

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