Part 1, 1909] MARATTIACEAE 23 
6. Marattia weinmanniaefolia Liebm. Vidensk. Selsk. 
Skr. V. 1: 308. 1849. 
Gymnotheca weinmanniaefolia de Vriese, Monogr. Maratt. 11. 1853. 
Marattia Laucheana Blass, Hamb. Gartenz. 14: 233. 1858. 
Rhizome short, fleshy, barely 15cm. high; leaves about 2 meters long, tripinnate, broadly 
lanceolate ; rachis sparsely scaly, olivaceous-brown ; pinnae opposite, lanceolate, 40-60 cm. 
or more long, 10-15 cm. apart; pinnules alternate, 10-12 cm. long, about 2 cm. broad, 
lanceolate, close, 2.3-5 cm. apart, the ultimate rachises smooth, except at the insertion, 
the ultimate pinnules discontinuously winged; ultimate pinnules coriaceous, 10-12 mm. 
long, about 5 mm. broad, unequally narrowed and obtuse at the base, naked below, the 
apex blunt, serrate; veinlets mostly simple; synangia 16-locular, the receptacle linear or 
thicker, naked. 
TYPE LOCALITY: Villa Alta, Oaxaca, Mexico. 
DISTRIBUTION: Oaxaca; Guatemala; and in cultivation (47. Laucheana). 
