24 



Petals valvato in the bud, thick and rigid, connivent, tlie inner ones similar bnt smaller rarely 



wanting. Stamens many, closely packed, the auther-celU concealed by the proiiuced connectives. 

 Ovaries indefinite. 

 Amona. Omles solitary i fmit fleshy, of many connate carpels. 



Petals imbricate or valvato in the bud. Stamens often definite, loosely imbricate, the anther- 



cells not concealed by the overlapping connectives. Ovaries solitary or indelinite. 

 UtLll'SA. Petals valvate, the inner ones largest ; ovnles definite. 

 Alphonska. Petals valvate, almost equal ; ovnles 4-8. 

 Orophea. Petals valvate, the inner ones shortest ; ovules 2-4. 

 BocAUEA. Petals imbricate, almost equal ; ovules 2-4. 



CYATHOCALYK, , , 



Calyx sharply 3-loDea to the middle, carpels oval, C, MnHabaniciis. 



CANANGAi Only species, C. odorata. 



UKONA. 



idling parts tomentose ; leaves blunt or muoronate ; petals 6, U. latifolia. 



POLYALTHIA. ^ . ^ ^ ^ 



* Flowers hermnphrodtte. Petals flat. Ocule solitary, basal, erect. 



t Petals linear. 



Leaves pubescent beneath, acuminate ; carpels ovoid, P. li/aria. 



Ijeaves glabrous, one-coloured, apiculate or shortly acuminate ; carpels ovoid, ...P. lateriflora. 



Leaves glabrous, glaucous or whitish beneath, shortly aeumiiiale, P. Siimatrana. 



t t Petals ovate or ovule-lanceolate or elliptic. 

 |- Carpels elongate-oblong 

 Branchlets rusty- tomentose ; leaves (except nerves) glabrous, much net-veined ; petals au 



inch long, P. Jcnkinm. 



+ + Carpels .more or hss globular. 

 Branchlets tomentose ; leaves (except the nerves) glabrous, blunt or nearly so ; petals 3-4 lin. 



long, P. suberosa. 



Branchlets tomentose; leaves pubescent beneath, acuminate, P. cerasoides. 



Branchlets puberulous ; leaves glabrous, blunt or acute ; carpels, P. nitida. 



Leaves glabrous, the nerves puberulous ; carpels velvety P. mentbranacca. 



* * Flowers not hermaphrodite. Petals flat. Ovules 2, superposed, almost basal. 

 Flowers small, sessile or nearly so, clustered P. duhia.^ 



* * * Inner petals very concave or vaulted. 



Branchlets tomentose ; petals broadly-ovate to oblong-lanceolate, imbricated in the 

 bud, P. costata. 



POPOWIA. , , . . 



Biaiiolilets coarsely hairy; flowers extra-axillary r P. UelJ'eri. 



GpNIOTHALAMUS. 



i'loweis about 9 lin. long, G. scsquipedalis. 



Flowers about 2 in. long, G. Griflfithii. 



MITREPHORA. 



* Flowers stnall, about 3 lin. long, dioecious. 



Leaves (except the nerves beneath) glabrous ; inflorescence and petals tomentose,il/^, reticulata. 



. * * Flowers conspicuous, 1-2 in. in diameter. 

 Leaves coriaceous, softly tomentose beneath ; flowers 2 in. in diameter, on short and thick 

 pedicels, M. tomentosa. 



Leaves chartaoeous, minutely puberulous, opaque ; flowers about 1 inch in diamenter, on long 

 slender pedicels M. vandoeflora. 



ANONA. . 



* Fruits areolate. 



Leaves usually blunt ; fruits with prominent convex areoles, A. squamosa. 



Leaves acuminate, larger ; areoles of the fruits not or hardly prominent, A. reticulata. 



* * Fruits muricate. 



Fruits very large, A. muricata. 



MILIUSA. ^. , ^ , . , , 



Tomentose ; pedicels 2-4 inch long, M. velutina. 



Almost glabrous ; pedicels 6 lin. long, without bractlet, M. evhrocarpa. 



Leaves rusty pubescent beneath ; pedicels (> lin. long, with biuctlet, M. Iio.tburghi<ina'^ 



ALPHONSEA. , . , , 



iSuilk of berry about an inch long a. ventricosa. 



{Stalk of berry very short, a lutea 



OROPHEA. ,,,-,,,, 



Leaves rather large, pubescent beneath ; flowers about an inch in diameter, 0. Brandisii. 



bjcagea. , ^ 



All parts glabrous, glossy, . elliptiea. 



ISijte. 1 = P. macrophi/lla, Hf. and Tli,, not BI., of App. A. ; 2 = rhacantlius dioicus of App. A. 



