1907] CALDWELL & BAKER—MICROCYCAS CALOCOMA S3n 
Willd., but differing from it in the form and number of the leaves. 
In this character M1QueL says that Z. calocoma surpasses all other 
species of the genus, and ‘‘rappelle parfaitement le port d’un petit 
Cycas revoluta.” MiIQuet’s description is as follows: 
Zamia calcoma Miq. Frondibus adultis glabris, pinnis densis numerosissimis, 
utrinque 65-70, coriaceis linearifalcatis subacutis integerrimis, marginibus leviter 
incurvis, utrinque tenere nervoso-striulatis, nitidis——Sectio nova: Microcycas. 
umbratio speciminis in Horto Amstelodamensi culti. 
Truncus ro poll. altus, basi 44 crassus, subconicus, simplex vel bifidus, fere 
totus esquamatus, cortice hic illic lenticelloso-pustuloso, pallido, superne perulis 
coriaceis sensim rigescentibus lanceolatis acuminatus ochraceo-griseo-tomentosis, 
glabrescentibus, circa frondium comam obvallatus. Frondes nunc undecim, 
erecto patentes. Stipes subtrigono-cylindraceus vel ferme cylindricus, antice non 
vel obsoletissime sulcatus, 3- 4 poll. longus, calamum scriptorium crassus, juve- 
nilis villo arachnoideo tenui tectus, adultus glaberrimus. Rhachis 13-1} pedalis, 
rectiuscula vel flexuosa, subsemitereti-trigona, dorso valde convexa, antice inter- 
pinnas in angulum obtusum prominens, sulco utrinque pro inserendis pinnis 
haud profundo, apice in brevem mucronem incurvulum vulgo quidquam pilosum 
exserta. Foliola articulatione mox pallescente subtumidula inserta, senescentia 
seorsim decidua, media longiora quam superiora et inferiora (hinc tota frons 
lanceolata fere), omnia densa, pleraque alterna vel superiora subopposita aut 
opposita, horizontaliter patentia, saepe retrorsum arcuato-curvata, 3-11 in. 
distantia, infima paulo distantiora, linearia, rigidule coriacea, fere omnia falcata, 
supra saturate viridia, laevia, nitida, facie plana vel leviter canaliculata, subtus 
pallida, marginibus praesertim versus basim leviter recurva, utrinque tenere 
striata nervis parallelis in medio 12, versus, apicem folioli saltem 5, saturate 
us: omnia integerrima: media 4 poll. longa vel aliquid longiora, 14-14 
lin. lata. In plerisque frondibus utrinque 60-70 foliola numerantur. 
In Gartenflora (6:16. pl. 186. fig. 30. 1857) REGEL mentions 
Zamia calocoma, but with no description. In 1857, however, he 
gives a brief description (Bull. Soc. Nat. Mosc. 1:191), based upon 
a specimen of Zamia calocoma which he says was brought from Cuba 
by CHappy. In addition to the characters given by MIQUEL, REGEL 
adds that the stem is one to two feet high and shows for a long time 
the markings left by the successive crowns. He also states that 
dormant buds appear on the stem. In closing he says that this 
plant varies so widely from any Zamia that it may constitute a new 
genus, and that he hoped his specimen would soon flower and thereby 
enable him to decide the question. 
GRISEBACH (Cat. Pl. Cub. 217. 1866) refers to a further collection 
