SAFFORD—-ANNONA SERICEA AND ITS ALLIES. 265 
Leaves sericeous or subtomentose beneath or at length 
glabrate. 
Leaves acute or gradually acuminate, membranaceous; 
midrib and lateral nerves reddish-sericeous be- 
neath; fruit ovoid, echinate; flowers solitary or 
geminate. A tree of thesavannasof French Guiana. 1. A. sericea. 
Leaves abruptly or obtusely acuminate. 
Fruit verrucose, strawberry-shaped; leaves shortly 
and obtusely acuminate. A tree growing on 
the island of Trinidad.................-.-.-... 3. A. drinitensis. 
Fruit echinate, or with the carpels produced into 
points or tails. 
Lowermost leaves of flowering branches broadly 
ovate-cordate, the carpels terminating in 
minute tail-like appendages. <A tree growing 
on the Magdalena River, Colombia............' 7. A. cercocarpa. 
Lowermost leaves elliptical or obovate. 
Flowers globose in bud; fruit ovoid, the carpels 
terminating in recurved points. <A tree of 
French Guiana........----...2-2ee22------ 8. A. echinata, 
Flowers oblong or ovoid in bud; fruit spheroid 
or oblate, the carpels terminating in in- 
curved points. A tree of the island of 
Jamaica........ 2. cece cece ee ee cece ee ceeee es 10. A. jamaicensis. 
1. Annona sericea Dunal. 
Smi.xy ANNONA OF FRENCH GUIANA. 
Anona sericea Dunal, Monogr. Anon. 69. pl. 5. 1817. 
A small tree; young branches slender, clothed at first with soft ferrugineous or dark 
red silky hairs; leaves distichous; petioles short (4 to 8 mm. long), ferrugineous-seri- 
ceous; upper leaves on flowering branches longer and relatively narrower than those 
near the base, oblong to oblong-lanceolate or obovate-oblong, 10.5 to 18 cm. long and 
3.5 to 5.5 cm. broad, acute or acuminate at the apex, short-acute or rounded at the base, 
membranaceous, finely and densely pellucid-punctulate, glabrate above with impressed 
midrib and inconspicuous lateral nerves (18 to 25 on each side), subtomentose 
beneath, the prominent midrib and slightly curved parallel nerves clothed with dark 
red or maroon silky hairs; lower leaves on the flowering branches ovate or elliptical, 
often obtuse or emarginate as in many other Annonaceae; flowers normally 3-petaled, 
globose in bud; peduncles solitary or sometimes in pairs, extra-axillary, straight, 11 to 
16 mm. long, 1-flowered, appressed ferrugineous pubescent, with a minute caducous 
tomentose scale at the base and an inconspicuous bracteole near the middle; unopened 
flower buds 10 to 12 mm. in diameter; calyx gamosepalous, 3-lobed, the lobes broadly 
triangular-ovate, abruptly acuminate or cuspidate, clothed on the outside with 
appressed dark red hairs; petals broadly ovate or suborbicular (12 to 16 mm. long and 
10 to 12 mm. broad), obtuse, thick, valvate, concave, clothed on the outside with fine 
ferrugineous-sericeous pubescence and on the inside with golden brown or pale ful- 
vous tomentulum; torus 6 mm. in diameter, convex, clothed with straight yellowish 
diaphanous caducous hairs and bearing numerous crowded stamens 1.8 to 2.2 mm. 
long; filaments very short, flat; pollen sacs linear, parallel, 1.5 to 1.7 mm. long, pale 
straw-colored, the connective expanded above them into a hood-like covering, yel- 
lowish, finely papillose, covered with minute points and bearing a number of erect stiff 
