26 Botanisches Centralblatt. 



Dowell, Ph. 1911. Notes on ferns attacked by a leaf roller. (Amer. 

 Fern Journ. I. p. 58—59. [The writer notes several instanees of injury 

 to fronds of growing ferns from the attacks of insects. -- Maxon.] 



Dowell, Ph. 1910. Notes on some ferns found during 1901. (Amer 

 Fern Journ. I. p. 12—14.) [Includes notes on hybrids in Dryopte- 

 ris from New York and New Jersey. — Maxon.] 



Dowell, Ph. 1911. On the study of ferns. (Amer. Fern Journ. I. 

 p. 53—58.) 



Druery, Ch. T. 1910. Polypodium vulgare in Great Britain. (Amer. 

 Fern Journ. I. p. 19 — 21.] 



Dümmer, R. 1911. Grape sugar as an excretion in Platycerium. 

 (Ann. of Bot. XXV. 100. p. 1205-1206. 2 fig.) 



Edwards, S. C. 1911. Notes on the gray polypody. (Amer. Fern 

 Journ. I. p. 83.) [Notes upon the epiphytic habitat of Polypodium 

 polypodioides as it was observed to occur in the vicinity of Whi- 

 teville, North Carolina. — Maxon.] 



Ferriss, J. H. 1911. The finding of Asplenium alternans. (Fern 

 Bull. XIX. p. 36—38.) [The writer describes the general surroun- 

 dings and immediate habitat of Asplenium Ferrissi, which 'was 

 found in the autumn of 1908 in the Huachuea Mountains, Cochise 

 eounty, Arizona, probably 30 miles north of the Mexican line". 

 This species has recently been reduced 10 A. alternans Wall. — 

 Maxon.] 



Floyd, F. G. 1910. Polypodium vulgare var. auritum Willd. (Amer. 

 Fern Journ. I. p. 25—27.) [The author brings together several 

 descriptions of P. vulgare auritum and concludes that material 

 recently collected in Maine by Merrill is referable to this form. — 

 Maxon.] 



Greene, F. C. 1911. The ferns of northwestern Missouri. (Fern 

 Bull. XIX. p. 14—15.) 



Györffy, I. 1911. Scolopendrium vulgare L. in der Hohen Tatra. 

 (Mag. bot. Lap. X. 8/10. p. 345—346.) [Bei 1180 m. im sog. Läm- 

 mergrunde fand Verf. diesen fürs Gebiet seltenen Farn. — [Ma- 

 touschek (Wien).] 



Hannig, E. 1911. Ueber das Vorkommen von Perisporien bei den 

 Filicinen nebst Bemerkungen über die systematische Bedeutung 

 derselben. (Flora. CHI. 4. p. 321—346. 8 Abb.) 



Hieronymus, G. 1911. Species novae Selaginellarum philippinen- 

 sium. (Rep. Spec. nov. X. 6/9. p. 97—116.) 



Hill, E. J. 1911. Lycopodium porophilum in the dells of the Wis- 

 consin. (Fern Bull. XIX. p. 1— 3.) [The author's observations, made 

 in the locality mentioned, led him to the conclusion that Lyco- 

 podium porophilum Underw. & Lloyd is readily distinguished 

 from its near relative L. lucidulum Michx. In at least one instance 

 the two grew in such close proximity as to form a mixed asso- 

 ciation. Both gross and minute differential characters are mentio- 

 ned. — Maxon.] 



Hopkins, L. S. 1910. Notes on the Botrychia. (Amer. Fern Journ. 

 I. p. 3—6. 1 pl.) [Notes upon several species of Botrychium as 

 they occur in Ohio and at several localities in Pennsylvania. 

 Botrvchium ramosum is illustrated at about natural size. — Maxon.] 



Jennings, O. E. 1910. Notes on the distribution of certain plants 



in western Pennsylvania. (Fern Bull. XVIII. p. 99—101.) 

 Kimball, L. J. 19il. Ferns of San Diego eounty, California. (Fern 

 Bull. XIX. p. 42—46.) [Miscellaneous notes on the region mentio- 

 ned in the title. — Maxon.] 



