48 PROCEEDINGS OP Mil: A.MKKI' an A.CADEKY. 



l •_'_'<» in., IT October, L900, C. G. Pringk, do. 9253 type, in hb. 

 Gray). This Bpeciee is clearly separated from the preceding by its 

 much narrower leaves and merely puberulent mure subulate involncral 



-rales. It belongs to a group of several obviously diverse yel nearly 

 related plants which have been provisionally referred to the merely in 

 ferential /'. turbinate La Llav. vS: Lex. The latter, however, described 

 as having ovate leave- and short-pedunclcd beads, must certainly have 

 been a plant quite different from either here characterized. 



III. NEW PLANTS FROM GUATEMALA AND MEXICO, 

 COLLECTED CHIEFLY BY C. C. DEAM. 



Hv B. L. Robinson am> EL 11 Bartlbtt. 



Polypodium (Goniophlebium) hispidulum Bartlett, n. sp., rhi- 

 zomate crassitudine 3—5 mm. simplici vel furcato ad arborum truncos 

 repenti longitudine usque ad 12 cm., aetate aperto foveolato-rugos, i 

 juventate paleis tecto, paleis deltoideodinearibus secus lineam medi- 

 aiiam ferrugineis margine straminellis ; frondibua inter se propinquis 

 6 L2 cm. longis 4-7.5 cm. latis; stipitibus gracilibus 0.5-3.5 cm. 

 longis exigue pilosis supra canaliculatis Bubtus semiteretibus ; laminis 

 fere nsque ad costam pinnatipartitis utrinque hispidulis atroviridibus 

 ciroumscriptione valde variabilibus ovatis semiovatis vel aequilater- 

 aliter triangnlis prout segmenta duo inferiora reducta aut hand reducta 

 sunt ; Begmentis integerrimis approximatis lanceolatis 3-9-jugis basi' 

 dilatatis confluentibns apice obtusis, maximis 6 nun. latis .">.•"> cm. longis, 

 tenninale 1.5-f> cm. longo maxime variabili ; nervo mediano tlexuoso, 

 nervis lateralibus alternis utrinque 10-11 hand procul a basi furcatis, 

 rainis anticis liberis in segmentis superioribus soriferis, ramis postiois 

 arcnatia marginem nee attingentibus, aut simplicibus aut furcatis aut 

 anastomosantibus areolarum seriem unam formantibus ; soris rotundis 

 medio inter nervum uiedianum et marginem uniserialiter dispusitis ca. 

 1 mm. diametro; Bporangiis glabris ca 20. — Los Amates, Department 

 of I/.abal, Guatemala, 11 February, 1905, C. C. Deam, no. 117 (type, in 

 hb. Cray). The same fern, collected by Tuerckheim at Cubilquitz, 

 Departmenl ol Alta Verapaz, December, 1900, was distributed as 

 Polypodium pubesa ns Hook, et Grev., in John Donnell Smith's " Plants 

 of Guatemala," no. 8053. /'• pubescens is, without doubt, the nearest 

 related species to /'. hispidulum. It has, however, a much larger frond, 

 with irregularly laoiniate segments, which at the base of the frond are 



