(66) 
Maxon, William R. A new Selaginella from Oklahoma and Texas. (Proceed. Biol. 
Soc. Washington XXXI /1918], p. 171—172) 
— The Lip-Ferns of the Southwestern United States related tt Cheilanthes 
myriophyila. (Proceed. Biol. Soc. Washington XXXI [1918], p. 139—151.) 
Notes on American Ferns XVI. (Am. Fern Journal X1 [1921], p. 1—4.) 
Mäyas, Georg. Funde neuer Pflanzenreste aus dem Kulm von Chemnitz-Borna. 
(XX. Bericht Naturw. Ges. Chemnitz 1916—-1919 [1920], p. 55—73, Taf. I-IV.) 
Mendelson, W. Ophioglossum 'vulgatum — once more. (Amer. Fern Journ. VII 
- Ig1T1, p. 63—64.) ’ 
Osborn, T. G. B. Some observations on the Auber of Phylloglossum. (Ann. of Bot. 
XXXIH [1919 p. 483—516, Pl. XXVIII, 43 Fig.) : 
Parish, $S.B. An enumeration of the Pteridophytes and Spermatophytes of the San 
Bernardins Mountains, California. (Plant World XX [1917], p. 163—178, 208—223, 
245— 250.) 
Pavarino, G. L. Intorno a Flora del Calcare e del Serpentino nell’ Appennino 
Bobbiese. (Atti Ist. Bot. Univ. Pavia, 2. Ser. XII [1914], p. 21—56; XIV [1914], 
p- 19-42.) 
Pickett, F. L. Is Pellaea glabella Mett. a distinct species? (Am. Fern Journ. VII 
[1917], p. 3—5.) 
Ridlon, H. €. Onoclea sensibilis forma obtusilobata. (Amer. Fern Journ. VII 1917), 
p- 6.) 
Sahni, Birbal. The anatomy of Nephrolepis volubilis J. Sm. with remarks on the 
biology an morphology of tne genus. (New Phytologist XIV [1915], p. 251—274, 
Pl. IV and 7 Textfig.) 
— The vascular anatomy of the tubers of Nephrolepis. (Ibidem XV [1916], p. 72-80, 
3 Fig.) 
— Observations on the evolution of branching in the Filicales. (New Phytologist 
XVI [1917], p. 1-23, 1 Fig.) 
— On the Branching of the Zygopteridean Leaf, Sad its Relation to the probable 
„Pinna‘‘ Nature of Gyropteris sinuosa, Goeppert. (Ann. of Bot. XXXII [1918], 
p- 369—379, 3 Textfig.) ; 3 
— On an Australian Specimen ot Clepsydropsis. (Ann. of Bot. XXXI1l [1919], 
p- 81—92 Pl. IV, 2 Textfig.) : 
Salmon, C. E. Cystopteris montana in Banitshire. (Journ. of Bot.:LVUuI [1920], 
p- M—25.) 
Sampson, K. The kei of Phylloglossum Drummondii Kunze. (Ann. of Bot. 
XXX [1916j. p. 316-331, 5 Fig.) F 
Sehinz, H. Lycopodiales (Nachtrag). (Sarasin et Roux: Nova Caledonia Vol. I, 
Lief. {1 {Berlin u. Wiesbaden 1920], p. 112.) 
Small. John K. The Land of ferns. The Habitats and Distribution ot the Fernworts 
of Fiorida. (Journ.’Elisha Mitchell Scientif. Soc. XXXV [1920], p- 92—104, 
Pl. XXIV.) N 
Spessard, Earle Augustus. Prothallia of Eyeapodiyen in America. (Bot. Gazette En 
LXIII [1917], p. 66—76, 21 Fig.) 
— Prothallia of Lycopodium in America. (Bot. Gazette LXV 1918). p: 362.) 
Standiey, Paul C. Gleicheniaceae and Cyatheaceae in Trues and Shrubs of Mexico. 
(Contrib. U. S. Nat.-Herb. Washington XXIII, Part. 1 [1920), p : 36—47.). } 
Steil, W. N. Method for staining Antherozoid of Fern. ‚ (Bot. Gazette LXV 19181. 
p- 562—563, 1 Fig.) 
