LUNDELL: THE GENUS PARATHESIS 15 
22. Flowers 3 mm. long at anthesis; stamens less than 2 mm. 
long; inflorescences small, shorter than leaves, the 
panicles up to 7 cm. long (Costa Rica, Nicaragua, 
Panama, og es aes 21. P. microcalyx. 
22. Flowers 4-6 mm. long; stamens 2—4 mm. long; inflores- 
cences large, usually at least 10 em. long. 
23. Dorsal punctate area of anthers small with small 
black glands, pubescence minute as in P. Donnell- 
Smithit. 
24. Pedicels 1-4 mm. long; ovary pilose-tomentose 
apically; style with a few hairs at base; leaves 
oblong, the veins not impressed above (Vera- 
CPUS) 6 22. P. oblongifolia. 
24. Pedicels up to 8 mm. long; ovary minutely 
tomentose; style tomentose below, pubescent 
to above middle; leaves elliptic, the veins 
impressed above, the surface subbullate (Vera- 
ee 23. P. elliptica. 
23. Dorsal punctate area of anthers large, the glands 
large, black or orange. 
25. Flowers subcorymbose-racemose with elongated 
accrescent rachis bearing flowers and fruits in 
same raceme in late flowering stage; pubescence 
very minute, tawny. 
26. Pedicels stout, usually 2.5-4 mm. long; 
anthers mostly orange-punctate dorsally; 
leaves pellucid-punctate, pubescence bi- 
zonal beneath and persistent (Mexico) 
Jel ne is ek 24. P. brevipes. 
26. Pedicels slender, up to 8 mm. long; anthers 
black-punctate dorsally; leaves with large 
black glands, glabrous or glabrescent early 
(Chiapas, Oaxaca, Guatemala, British Hon- 
duras, Honduras) . .25. P. Donnell-Smithii. 
25. Flowers subcorymbose, the rachis short, with 
flowering complete before young fruits develop. 
27. Sepals less than 1 mm. long; anthers emar- 
ginate (Colombia). .26. P. emarginata. 
27. Sepals 1-2 mm. long; anthers apiculate. 
28. Anthers sparsely barbate apically; leaf 
blades subentire or repand and den- 
ticulate, lanceolate or lanceolate-el- 
liptic; ovary conspicuously hirtellous- 
tomentose; pubescence of branchlets 
ferruginous (Guatemala, Honduras). . 
eruevivisceeys 27. P. guatemalensis. 
