VIOLACEÆ. 355 
GENERA. 
I. PAYPAYROLEÆ. 
1. Paypayrola AuBL.—Flowers regular or subregular herma- 
phrodite ; receptacle convex. Sepals 5, imbricated. Petals same 
in number, subequal, free; claws approximate, or cohering in tube ; 
limbs finally patent; præfloration closely imbricated. Stamens 5, 
alternating with petals; filaments connate in short tube ; anthers 
at the summit of tube sessile muticous, introrse, longitudinally 
2-rimose. Germen, free, l-locular; style straight, apex stigma- 
tiferous ; placentas parietal 3, «-ovulate. Capsule coriaceous, locu- 
licidal, 3-valved ; endocarp cartilaginous separating elastically from 
exocarp. Seeds , subglobose; testa coriaceous ; albumen fleshy ; 
embryo axile straight.—Trees or shrubs; leaves alternate, entire ; 
stipules small; flowers in spikes or terminal and axillary racemes 
(Trop. America). See p. 340. 
2. Amphirrox Sprene.'—Flowers nearly of Paypayrola ; limb of 
corolla suboblique. Stamens 5, free; filaments short, flat; con- 
nective produced beyond cells in linear-subulate membrane. Other 
characters as in Paypayrola.—Shrubs ; leaves alternate or crowded 
at summit of twigs, entire or serrulate; flowers’ in terminal pe- 
dunculate racemes, 1-3-nate of «-flowered cymes (Zrop. America’). 
3. Isodendrion A. Gray.‘'— Flowers nearly of Paypayrola ; 
corolla slightly oblique. Stamens 5, free ; connective not produced. 
Germen 1-locular ; style stigmatiferous at clavate, curved, anterior 
apex ; placentas parietal 3; each 3-4-ovulate. Capsule coriaceous, 
3-valved ; endocarp not separating; seeds obovoid.—Small trees 

1 Syst., Cur. Post., 51, 99.—ENDL., Gen., n. ? Large, handsome ; claws of petals elongated 
5046.—Payer, Fam. Nat., 109.—B. H., Gen., into false tube, approximate ; lobes patent. 
118, n. 8.—Spathularia À. H. S., Pl. Rem. 3 Spec., 2, 3. A.S. H., #7. Bras. Mer., ii. 
Brés., 317, t. 28.—Braddleya Vet.0z., Fl. 148 (Spathularia)—A. Gray, Unit. St. Expl. 
Flum., 93; Atl, ii. t. 140.— Amphirroge Exp., Bot., i. 88. 
Reicus,, Pflanz. Syst., 269, 4 Unit. St. Expl., Bot., i. 92, t. 8, 9.—B. H., 
Gen., 118, n. 10. 
AA 2 
