SYSTEMATICS AND PALYNOLOGY OF PICRODENDRON: FURTHER EVIDENCE FOR
RELATIONSHIP WITH THE OLDFIELDIOIDEAE (EUPHORBIACEAE) Page 1 1 984] …

Philodendron subgenus Meconostigma is defined and described taxonomically and a
revision of the 15 recognized species is presented; two new species, P. dardanianum and P …

2) P. macrocarpum (A. Rich.) Britton, from Cuba 3) P. medium Small, from Hispaniola. These
species were separated largely on characters of William T. Gillis (1974, and pers. comm.) …

An historical review of the systematics of Philodendron Schott is presented, from the earliest
known records to modern studies; the classifications of Schott and Engler are discussed in …

Pelliciera (described separately)." No further statement was m cerning the ultimate
disposition of Pelliciera, which he include descriptions of the genera and in his prepared key …

A revision of the elepidote (non-scaly) species of the Rhododendron subgenus
Hymenanthes, which is divided into 24 subsections with 225 species, is presented …

A monotypie family 2 of herbaceous dicotyledons distinguished by per-fect, hypogynous,
zygomorphic flowers; synsepalous calyx with the 3 upper lobes subulate and hooked; …

Philadelphus is geographically one of the most widely distributed genera in nature,
ecologically one of the most varied groups in habitat, and horticulturally one of the most …

The species included in this section of Pellaea are predominately Cordilleran growing in dry,
rocky habitats under semi-desert conditions quite unlike those usually associated with ferns …

The delimitation kk kkkLL kkk seems to be a perennial problem for American botanists. Much
ee the problem stems from a failure to observe carefully the features of Eisenar-Again and …