Pteridophyten. — Floristik etc. 601 



Psilotian niiduni (L.) Griseb., P. cornplanatuni Sw., SelagineUa 

 deßexa Brack., S. arbtiscida Spring., 5. Menziesii Spring., 5. Springit 

 Gaud., 5. parvida Hilleb. Jongmans. 



Slosson, M., New ferns from tropical America. III. (Bull. 

 Torrey Botan. Club. XL. p. 686—690. 1 Textfig. PI. 26. 1913.) 



Trichomanes rhipidophylliini, from Onaca, Colombia. The 

 new species belongs to the section Didytnoglossum . It is marked 

 by its bright shining green color, rounded, undulate or not more 

 than sublobate margins, and few flabellately forked veins tapering 

 toward the apex. From T. sphenoides Kunze, which also has flabel- 

 lately forked veins tapering toward the apex, it may be easily 

 distinguished bj'- the greater distance between the tips of the true 

 veins, varying from 0.5 to 2 or 2.5 mm., and by the very thick 

 walls of the cells of the laminae 



Polystichmn niachaerophylhim , from different localities in the 

 island of Cuba. It is closely related to P. ilicifoliuf)i F€e and P. 

 triangulwn (L.) Fee, and very likely may be a hybrid between 

 the two. In a mature State it is easily distinguished by the peculiar 

 apices of the fronds, varying from long-drawn-out to flagelliform, 

 non-proliferous to proliferous. It is more likely to be confused with 

 P. üicifolium , but may be known by the proportionately broader 

 and shorter laminae. Öther differences may be found in the larger 

 and longer pinnae, distinctly biauriculate at base, with the part 

 above the basal auricles more or less extended and subentire or 

 very slightly toothed or crenately lobed, the lobes entire or minutely 

 mucronate. The indusia var}?" trom only slightly erose to markedly 

 so with a few cilia. P. decoratiim Maxon, the only other Cuban 

 Polystichiiyn known with fronds flagelliform at apex, may be readily 

 recognized by its pinnae widely excised, not auricled, at base on 

 the lower side. Jongmans. 



Slosson, M., Notes on two North American ferns. (Bull. 

 Torrey Botan. Club. XLI. p. 307-309. PI. 7. 1914.) 



The first part of this paper deals with Trichomanes Petersii, 

 the smallest species of the ferns found in the United States. It has 

 been supposed not to occur elsewhere. However it also occurs in 

 Santo Domingo (von Türckheim No. 3066). The specimen is 

 figured on the plate. 



A new species, Adiantutn riniicola, is described from the 

 Arm^strong Canon, in southeastern Utah, altitude 1600 — 1800 m. 

 It is related to A. Capillus Veneris, but differs in several particulars, 

 noticeably in the flexuose rachises, peculiarly tapering bases of the 

 fertile pinnules, and long heavy indusia. A fertile frond is represented 

 on the plate. Jongmans. 



Bicknell, E. P., The ferns and flowering plan ts ofNafi- 

 tucket. XII. (Bull. Torrey. Botan. Club. XLI. p. 71-87. 1914.) 



This part contains remarks on plants belonging to the Cactaceae, 

 Lythraceae, Melastoniaceae, 0)iagraceae, especially Epilohitmi and 

 Oenothera, Haloragidaceae , Araliaceae, Umbelliferae and Cornaceae. 



New name: Oenothera slenopetala sp. nov., along the sandy 

 embankments of the railroad beyond the Orange Street crossing. 

 This plant has been collected in the year 1871, by Morong, on 



