North America. 



770 



8000 ;/ 



Dunn. 77805. The genus Marah 

 [n. spp.]. 



Fernald and Wiegand. 78037. The 

 variations of Luzula cavifestris in 

 North America. 



Gandoger. 78234. L'herbier 



africain de Sender. 



Hennig. 78705. Landbauzonen der 

 Tropen in ihrcr Abhangigkeit vom 

 Klinia. 



Howe. 78917. The North American 

 Usneaceae. 



Hutchinson. 78947. [Description 

 of . . . Parthcnium argentaium, A 

 Gray.] 



Kern. 79154. A biologic and 

 taxonomic study of the genus Gymno- 

 sporangium . 



Kozo-Polianskij. 79298. Specie* 

 Umbcllifcrarum minu.s cognitae. 



Kranzlin. 79304. Buddleiae ameri- 

 canae nonnullis gerontogaeis adjectis. 



Krautter. 79334. Penistemon. 



Mackenzie. 79835. Carez. 



Maxon. 80000. [An additional 

 Asiatic fern in the United States.] 

 [Identity of Asplenium exigiiiD/i with 

 ^4. Gletuiiei.] 



Pennell. 80614. Agalinanae, a 

 subtribe of the Rhinanthaceae. |1. 

 Nomenclature of the nearctic genera.] 



Rydberg. 81210. Rocky mountain 

 flora. 



Saccardo. 81218. Notae myco- 

 logicae. 



f„. Takeda. 81863. Cladrastis and 



Maackia. 



Tansley. 81884. International 



Phvtogeographic Excursion in America, 

 1913. 



<ja Alaska. 



Maxon. 80000. [Azalla rarolinicDin 

 in AIa.ska.] 



gi: Canada as a whole. 



Andres. 76519. Zur spcziellen 

 Systematik der Pirolaceae. 



Rehm. 80986. Ascomvcetes cxs. 

 Faac. 53. 



Saccardo. 81219. Notae myco- 

 logicae. 



ya Canadian Dominion West. 



Farr. 77988. Flora of the Canadian 

 Rocky mountains and the Selkirk 

 range [British Columbia]. 



Mackenzie. 79836. Western allies 

 of Carex pennsylvanica. 



Piper. 80717. The identity of 

 Heuchera cylindrica. [British Colum- 

 bia.] 



gd Canadian Dominion East. 



Blake. 76930. Two records of 

 Panicuin calliphylliim Ashe. [On- 

 tario.] 



Fernald and Wiegand. 78038. 



Two new Carices from Newfoundland. 

 78039 : Calamagrostis Pickeringii 

 A. Graj', var. dehilis (Kearney) n. comb. 



Holden. 78853. Fossil plants from 

 Eastern Canada. [The genera Tylo- 

 dendron and Voltzia.^ 



Klugh. 79205. Pteridophyta of 

 southern New Brunswick. 



Stopes. 81782. Palaeobotany 



versus stratigraphy in New Brunswick. 



;/(■ The Laurentian Lakes. 



Rehm. 80985. Ascomvcetes novi. 



(// United States as a whole. 



Andres. 76517. Zwei neue Piro- 

 laceae aus der Subsection Erxlebenia 

 (Opiz) H. Andres. 



Brainerd. 77097. Four hybrids of 

 Viola pedatifida. 



Brown and Jamieson. 77188. A 

 bacterium causing a disease of sugar- 

 beet and nasturtium leaves. 



Fedde. 78011. Neue Arten aus 

 der Verwandtschaft der Corydnlis aurea 

 Willd. von Nord-Amerika. 



Henkel. 78702. American medi- 

 cinal leaves and herbs. 



Long. 79745. Southerly range 

 extensions in Antcnjiaria. 



Ogilvie. 80442. Vegetation of 

 U.S.A. 



Prince. 80860. \'aiious fenis. 



Rabak. 80912. Wild volatile-oil 

 plants and their economic importance : 

 1. Black sage ; 2. Wild sage ; 3. 

 Swamp Bay. 



