line drawings which she has prepared of several of the 
novelties. These drawings and their publication were 
made possible through a grant from the National Science 
Foundation. 
The families are arranged in accordance with the 
Engler-Gilg system, and the genera are enumerated 
alphabetically under the families. 
CYCADACEAE 
Zamia madida PR. L. Schultes sp. nov. 
Truncus grandis, elongato-obovoideus, valde amyla- 
ceus, 10-18 cm. longus, basi 5-7 cm. in diametro, per- 
fecte subterraneus, apice multis bracteis fibroso-coriaceis, 
siccis, fuscis, elongato-triangularibus, usque ad 6 cm. 
longis et basi 0.5-1 em. latis coronatus. Folia una ad 
tres, cum petiolo usque ad sex ped. longa; petiolo ro- 
busto, valde sulcato, basi rigidissimo sed apicem versus 
aliquid flexuoso, basi spinulis lignosis brevibus armato, 
basi 1-1.5 em. in diametro; rhachide 1.3-1.5 m. longa; 
segmentis leviter coriaceis, supra nitida, infra pallidiora, 
utrinque duodecim ad quattuordecim, oppositis vel sub- 
oppositis, plusminusve 2.5 cm. distantibus, ellipticis vel 
elliptico-lanceolatis sed vulgo obliquuis, margine leviter 
revolutis atque basim versus integris sed apicem versus 
remote et irregulariter dentato-serratis, apice oblique 
acuminatis, basi in petiolulo plerumque 2—2.5 (sed saepe 
usque ad 5) em. longo productis et Jaminarum base ipsa 
collo conspicuo coronatis, plerumque 80-40 cm. longis, 
5-7 cm. latis, nervis numerosis, parallelis, plusminusve 
triginti quattuor. Strobilus femineus inter foliis solitar- 
ius, in pedunculo erecto, robusto, subterete, apicem ver- 
sus valde carnoso-inflato, stramineo, dense sed minute 
lanato, usque ad 80 cm. longo, 1-1.5 cm. in diameter, 
cylindricus, apice apiculatus, 7-8 cm. longus, densissime 
brunneo-tomentellus, peltis in seriebus plusminusve sex 
[114 ] 
