10 
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Munns, E. N., Coulter pine. (Journ. For. 1921. 19, 903—906.) 
Pease, A. St., Gray pine and arbor vitae. (Rhodora 1921. 23, 247—249.) 
Pemberton, C. C., Overgrowth of stumps of conifers. (Canad. Field Nat. 1921. 35 81 
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Perry, W. J., Yellow pine reproduction. (Journ. Forestry 1921. 19, 622—631.) 
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Angiospermen. 
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Andrews, F. M., Phyllotaxis of Specularia perfoliata. (Proceed. Indiana Acad. Sei 
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Alllin, Fr. R., En flikbladig form av Rhamnus Frangula L. (Eine geschlitztblättrige Form 
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Bean, W. J., The Chinese form of Comus kousa. (Kew Bull. 1922. 199.) 
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Beccari, 0., Asiatic Palms — Lepidocaryeae, Part 3. The species of the genera Cera- 
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Beck-Mannagetta, G,, Plantae europaeae hactenus non indicatae II. (ledde, Repert. 
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Becker, W., Violae mexicanae Pringleanae novae. (Fedde, Repert. 1922. 18, 125.) 
Böguinot, A., Appunti sulla genetica si un interessante Papavero: Papaver sinense 
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Bitter, G., Zur Gliederung der Gattung Saracha und zur Kenntnis einiger ihrer bemer¬ 
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—-, Ein neues Capsicum aus der Sektion Decameris. (Fedde, Repert. 1922. 18, 126 
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—, Ergänzungen zur Gattung Acaena. (Fedde, Repert. 1922. 18, 127—128.) 
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