U] Nordamerika. Mittelamerika. Südamerika. Afrika. IX 



117. W[eatherby], ('. A. Otlier records of Salvinia natans in the United 

 iStates. (Ebenda p. 50 — 5,3.) — Die von Staten Island, N.Y., angegebene 

 Art ist S. auriculata rar. Olfersiana, wälirend die in Dixon's Lake in Missouri 

 vorkommende Art S. natans ist. 



HS. Standloy, Paul C. Flora of Glacier National Park, ]\Iontana. 

 (Contr. U. S. National Heib. XXlI, Pt. 5 [l'J21], p. I— XIX, 2.35—438 n. 

 Taf. 33—52. — Pterid. p. 263—272.) 



119. Butters. F. K. A new western species of Pellaca. (Amer. 

 Fern Joum. XI [1921], p. 39—40.) — Pellaea Suksdorfiana (= P. glabella 

 Mett. var. simplex Butteis 1917) aus Washington. 



120. Butters, F. K. Pe/Zofa g/aöc//a and its wettern segregates. (Ebenda 

 p. 75 — 82.) — Behandelt werden ausser der im Titel genannten Art nocli 

 P. pumila Rydb. und P. Suksdorfiana Butters. 



121. Smiley, F. J. A report upon tlie boreal flora of tlie Sierra Nevada 

 of California. (Univ. California Publ. Bot. TX [1921], p. 1—423, m. 7 Taf. — 

 Pterid. p. 72—81.) 



122. Moxley, Ci. L. Some ferns seen in California [San Gabriel 

 Range]. (Amer. Fem Joum. XI [1921]. p. 116—117.) 



" 123. Till' plants of Mississippi. (Mississippi State Geological 

 Surv. Bull. Nr. 17 [1921]). — 35 Pteridopliytenarten Averden aufgeführt. 



124. Graves, E. W. An interesting trip [nach Bucks Pocket, Ala- 

 bama]. (Amer. Fern Joum. XI [1921], p. 86—88.) 



125. Anderson, Mary L. Lygodium japoniciim in South Carolina., 

 (Ebenda p. 90—91.) 



Mittelamerika. 



126. Chiistensen, ("arl. An overlooked .species of Dryopteris. (Amer. 

 Fem Joum. XI [1921], p. 44 — 46.) — Polypodium cryptum Underw. et Maxon 

 von Cuba ist Dryopteris (Goniopteris) crypta (Underw. et Maxon) C. Chr. 

 et Maxon. 



127. Johnson, Duncan S. Invasion of virgin soll in the tropics. (Bot. 

 Gaz. LXXII [1921], p. 305—312, m, 2 Textabb.) — Wiederansiedelung von 

 Pflanzen im Tale des Cascade-Flusses in den Blue Mountains in Jamaika, 

 der durch Überschwemmung die Vegetation vei nicht et hatte. 



Südamerika. 



128. Herrera, F. L. Contribucion a la flora del departemento det 

 Cuzco [Peru]. 1. Pt. 241 pp. Cuzco 1921. — Ber. Bot. Cbl. 2, p. 182. 



129. Hieken, Cr. >I. Las Himenofilaceas argentino-chilenas 

 y los ,,contiiientes pacificos". (Rev. Chil. Hi.st. nat. XXV [1921]. p. 253—262, 

 m. 1 Taf.) 



130. Hosseus, C. C. Flora argentina. Estudios comparativos sobre 

 la Vegetation de las provincias de la Rioja y de San Juan. (Bol. Acad. Nacion. 

 de Cienc. Cordoba XXVI [1921], p. 1—160. — Pterid. p. 13—25 m. 3 Fig.) 



131. Vallentin, E. F. Illustrations of the flowering plants and fems 

 of the Falkland Islands. With desciiptions by Mrs. E. M. Cotton. XII pp. 

 u. 64 färb. Taf. London (L. Reeve and Co.) 1921. 



