25 Botanisches Centralblatt. 



Gourio, l'abbe H. 1905. Note sur la flora d'Erquy [Cötes-du-Nord]. 

 (Trav. sc. Univ. Rennes. IV. p. 26 — 45.) [Simple liste de plantes 

 vasculaires, recoltees aux environs d'Erquy, Dinan, Saint-Brieuc_, etc. 



- J. Offner.] 



Greene, E. L. 1903 (received 1906). New or noteworthy species. XXX. 



(Pittonia. V. p. 107-114.) 

 Greene, E. L. 1903 (received 1906). New species of Polygonum. (Pittonia. 



V. p. 197—203.) 

 Greene, E. L. 1903 (received 1906). Novitates Texanae. I. (Pittonia. V. 



p. 133-139.) 

 Greene, E. L. 1903 (received 1906). Platystemon and its allies. (Pittonia. 



V. p. 139—194.) 

 Greene, E. L. 1903 (received 1906). Tiie genus Viola in Minnesota. I. 



(Pittonia. V. p. 115—133. pl. 13—14.) 

 Greene, E. L. 1903 (received 1906). Three new Ranunculi. (Pittonia. V. 



p. 194—197.) [R. caricetorum, of the Great Lake region, R. Illinoensis, 



of southern Illinois, and R. politus, of eastern Oregon. — Trelease.] 

 Greenman, J. M. 1905. Senecio Balsamitae firmifolius. (Rhodora. VII. 



p. 244.) [A thick-Ieaved Canadian variety, described as new. — 



Trelease.] 

 Gurke, M. 1905. Echinocactus peruvianus K. Schum. (Mschr. Kakteenk. 



XV. 12. p. 190—192. 1 Abb.) 

 Gurke, M. 1905. Neue Kakteen aus dem botanischen Garten zu 



Dahlem. (Notizbl. kgl. bot. Gart, und Mus. Berlin. IV. 36. p. 183 



— 185.) 



Gurke, M. 1905. Rhipsalis dissimilis (G. A. Lindb.) K. Schum. (Mschr. 



Kakteenk. XV. 12. p. 186—190.) 

 Hackel, E. 1906. Catalogue des Graminees recoltes en Chine par feu les 



P. P. E. Bodinier et d' Argy. (Bull. Ac. int. Geogr. bot. XV. 196 



p. 17-22.) 

 Hamet, R. 1905. Note sur une nouvelle espece de Drosera. (Journ. de 



Bot. XIX. 9t'K p. [113]— [114].) 

 Handel-Mazzetti, H. v. 1905. Ein neues Taraxacum aus den Westalpen. 



(Oest. bot. Zschr. LV. 12. p. 460-462.) 

 Handel-Mazzetti, H. v., J. Stadlmann, E. Janchen und F. Faltis. 1905. Bei- 

 trag zur Kenntnis der Flora von West-Bosnien. (Oesterr. bot. Zschr. 



LV. 12. p 478—487.) 

 Harshberger, J. W. 1905. The plant formations of the Catskills. (Plant 



World. VIIL 11. p. 276—281.) 

 Hastings, G. T. 1905. Observations on the flora of central Chile. (Bull. 



Torrey Bot. Club. XXXII. p. 615—623.) [An interesting general 



analysis of the flora about Santiago, and including the following 



new name: Hexaptera purpurea. — Trelease] 

 Hemsley, W. B. 1906. The genus Corylopsis. (Card. Chronicle. XXXIX. 



994. p. 18. 1 fig.) 

 Henriques, A. 1905. Avena Hackelii sp. nov. (Bull. Soc. bot. France. 



LH. 7. p. 494—495.) 

 Herrmann. 1905. Bericht über ergänzende floristische Untersuchungen 



im Kreise Neidenburg. (Jahrber. preuss. bot. Ver. 1904/05. p. 29—33.) 

 Hilbert. 1905. Pflanzendemonstration. (Jahrber. preuss. bot. Ver. 1904/05. 



p. 33.) 

 Holmes, E. M. 1905. Juniperus thurifera, var. gallica. (Pharm. Journ. 



XXI. 1851. p. 830-831.) 

 Holzfuss, E. 1906. Botanische Neuheiten aus Pommern. (Allg. bot. 



Zschr. XII. 1. p 12.) 

 Horäk, B. 1905. Z jizni Tauridy. [Aus der südlichen Tauris.] (Ber. 



böhm. Ges. Erdk. Prag. X. p. 24. 8 Textabb.) 

 Huber, J. 1905. Especies do genero Sapium. (Bol. Mus. Goeldi. IV. 



p. 415-437.) 

 Huber, J. 1905. Materias para a flora Amazonica. VI. (Bol. Mus. 



Goeldi. IV. p. 510—619.) 

 Huber, J 1905. Ueber die Koloniengründung bei Atta sexdens. (Biol. 



Cbl. XXV. p. 606.) 



