84 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Annona paludosa Aubl. 
Annona paludosa Aubl. Fl. Guian. 1: 611. pl. 246. 1775. 
Section Helogenia. A shrub 120 to 150 cm, high; young branches densely 
ferrugineous-tomentose, at length glabrate and bearing numerous light brown 
lenticels; leaves shortly petiolate, oblong to elliptical-oblong, acute, rounded 
at the base, above sparsely pubescent, at length glabrescent, beneath clothed 
with persistent soft velvety ferrugineous or cinnamon-colored tomentum; 
midrib and lateral nerves 
(about 18 to 20 on each 
side) impressed above, 
prominent beneath, the 
latter with approximate 
diagonal veins between 
them; blade thin-mem- 
branaceous, punctate, 
with a tendency to curl 
inward in drying (as in 
A. jenmanii Safford), 16 
to 20 cm. long and 6 to 
7.5 em. broad; petiole 
about 5 mm. long and 
3 mm. thick, broadly 
grooved above and 
clothed with dense to- 
mentum; peduncles soli- 
tary or in pairs, 10 to 
15 mm. long, extra-axil- 
lary, usually opposite a 
leaf, clothed with to- 
mentum and usually 
bearing a broad semi- 
amplexicaul acute brac- 
teole above the middle 
Fic. 41,—Annona paludosa, 1, calyx, lateral view; 2, calyx 
seen from above; 3, 4, flowers; 5, andrwecium and gyne- 
clum; 6, stamen; 7, fruit, showing persistent calyx; 8, and one at the base: 
section of fruit; 9, seed; 10, leaf. Reproduced from Aublet flower buds depressed- 
at one-half original size, 
globose, 20 to 25 mm. 
broad and about 15 mm. high; calyx gamosepalous, subtriangular or 3-lobed, the 
lobes 10 mm. broad and scarcely 10 cm. high, sharply acuminate, clothed on the 
outside with ferrugineous tomentum like that on the peduncle and more or less 
plicate; petals 6, the three outer ones thick and valvate, broadly ovate, acute, 15 
to 18 mm. broad and 15 mm. high, concave, clothed on the outside with fine vel- 
vety rufous tomentum with a median ridge and parallel plications and within 
with fine grayish rufous tomentulum; inner petals smaller and relatively much 
narrower than the outer and alternating with them, so as to close the cracks 
between them, connivent above the essential parts but with their margins 
thin and not meeting (neither valvate nor imbricate), about 6 mm. broad 
and 14 or 15 mm. high, concave, keeled on the outside and clothed both 
without and within with fine grayish tomentulum; torus convex, clothed with 
