TILIACEX, (LINDEN FAMILY.) 59 
1, AYENIA, L. 
Involucel none. Calyx 5-parted. Petals on long capillary claws, connivent 
over the stigma. Fertile stamens 5, alternating with 1 —2 sterile ones, their fila- 
ments united into a pedicellate cup. Style single. Stigma 5-angled. Capsule 
5-lobed, 5-celled, loculicidally 5-valved, the cells 1-seeded. — Low shrubby plants, 
with minute axillary flowers. Capsule rough. Albumen none. 
1. A. pusilla, L. Stems mostly simple, prostrate, downy; leaves (4"- 
8” long) roundish or oblong, coarsely serrate; peduncles solitary, reflexed in 
fruit; capsule depressed, muricate. — South Florida. | — Stems 6/ — 12! long. 
Flowers purple. 
2. WALTHERIA, L. 
Involucel 3-leaved, deciduous. Calyx 5-cleft. Petals 5, spatulate, convolute 
in the bud. Stamens 5, united below. Ovary 1-celled, 2-ovuled. Style single. 
Stigma penicillate or tuberculate. Capsule 2-valved, 1-seeded. Embryo in the 
axis of fleshy albumen. — Herbs or shrubs, with alternate leaves, and small flow- 
ers in axillary clusters. 
1. W. Americana, L. Stem erect, villous; leaves ovate or oblong, acute 
or obtuse, serrate, plicáte, tomentose on both surfaces ; heads of flowers globose, 
stalked, or subsessile and shorter than the petioles, the upper ones often spiked ; 
calyx hirsute; flowers yellow. — South € ME Lei high, figid. 
Leaves 1! - 2' long. be ata prt et 
* 
Orver 24. TILIACE/E. (Linnen FawrLy.) 
Trees, rarely herbs. Leaves alternate, with deciduous stipules. Flow- 
ers axillary or extra-axillary, hyppzynous, polyandrous. Sepals 4— 5, 
valvate in the bud, deciduous. Petals 4 —5, convolute or imbricated in the 
bud. Stamens distinct or united in clusters: anthers 2-celled, the pollen 
eem smooth. Style single. Stigma 4- 10-lobed. Capsule 2 — 5-celled, 
l-many-seeded. Seeds anatropous. Embryo in the axis of fleshy albu- 
men. Cotyledons flat, leafy. 
1. TILIA, Toum. LixpEN. Basswoop. 
Sepals 5. Petals 5, imbricated in the bud. Stamens numerous, ld iE 5 
clusters, with a petal-like appendage (sterile stamen) opposite each petal. Ovary 
5-celled, with 2 ovules in each cell. Stigma 5-lobed. Capsule l-ceelled, 1-2- ` 
seeded. — Trees, with cordate leaves, and several-flowered axillary peduncles, — 
which are connate below with a large ligulate veiny bract. Flowers cream-color, — 
_1. T. Americana, L. Leaves smooth and green on both surfaces, ob- — 
liquely cordate or truncate at the base, sharply serrate. — Mountains of Georgia 
and northward. June. — A large tree. Leaves 4' - 5' wide. 
