12 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
phytic and may perhaps not be very closely related to the type. They are 
placed here, however, on account of their narrow inner petals, which, like 
those of A. paludosa, are neither imbricate nor valvate. Among them are 
A. crotonifolia Mart., A. tomentosa R. E. Fries, and 
A. malmeana R. E. Fries. 
Section 5. PILANNONA Safford.’ 
Type species, Annona sericea Dunal (fig. 15). 
In this section the flowers are normally 3-petaled, 
but sometimes are provided with more or less im- 
perfect inner petals like those of A. paludosa Aubl. 
Fig. 14.—Flower of Annona The connectives of the stamens are expanded into a 
paludosa. a, Flower, one road head, which is usually muriculate with fine 
outer petal removed; 3b, . . . , 
an inner petal. glossy points and sometimes bears straight or slightly 
curved diaphanous hairs. The gynecium is usually 
a solidified mass of carpels, the tips of the styles forming a convex or disklike 
area composed of minutely tuberculate stigmas, very much as in A. paludosa; or 
the stigmas may be clothed with hairs, as in A. holosericea (fig. 16). The fruit 
is usually velvety and covered with projections, though in some cases (as in A. 
longipes Safford) the latter are reduced to appressed points. In addition to the 
Fic. 15.—Flower and essential parts of Annona sericea. a, Flower with petal removed ; 
b, stamens; c, carpel. From type material. a, Scale 3; b, c, seale 15, 
species assigned to this section in the publication cited ibove, may be mentioned 
Annona sancta-crucis S. Moore, which has edible fruits about the size of an 
orange, A. scandens Diels, with small, oblong, velvety fruit, collected near Tara- 
poto, Peru, by Ule (no. 6521), and A. hypoglauca Mart. with flowers in clusters 
of 2 to 4. 
*Contr. U. S. Nat. Herb, 16: 264, 1913. 
