BUETTNEEIACEAE. 71 



bractlets. Sepals 5, partially or wholly united. Petals 5, showy. Carpels 

 united into a mostly indehiscent capsule. 



1. T. populnea (L.) Soland. Low tree or shrub: leaf -blades ovate, 5-12 cm. 

 long: calyx cup-like: petals 5-7 cm. long, yellow and purple: capsules de- 

 pressed, 3-4.5 cm. broad. — Sum. & fall. 



The Seaside-mahob, probably a native of the Old World tropics, grows in ham- 

 mocks on the shores of the Everglade Keys and the Florida Keys. The brown or 

 light-red heart-wood is close-grained, heavy, hard, and strong. {W. I.) 



4. GOSSYPIUM L. Herbs, shrubs, or trees. Leaf-blades palmately 

 lobed or rarely entire. Involucel of 3 large bracts. Sepals 5, united into a 

 cup-like calyx. Petals 5, usually dark-colored at the base. Capsule 5-valved. 

 — Cotton. 



1. G. hirsutum L. Small tree or shrub, with usually hirsute twigs : leaf -blades 

 4-11 cm. wide, sometimes pubescent, 3-lobed, the lobes ovate to deltoid, as 

 long as the body of the leaf or very short: calyx becoming 1-1.5 cm. wide: 

 corolla creamy-white except the purplish base, becoming pink; petals 3-5 cm. 

 long: capsules ovoid, 2.5-3 cm. long. — All year. 



The WiLD-coTTON grows in hammocks on the Florida Keys. The wood has not 

 yet been studied. (W. I.) 



Family 3. BUETTNERIACEAE. Chocolate Family. 



Shrubs or trees, or herbs often resembling Malvaceae. Leaves alter- 

 nate : blades simple. Flowers mostly perfect. Calyx of 5, or rarely fewer, 

 sepals. Corolla of 5, or rarely fewer, petals, or wanting. Androecium of 

 as many stamens as there are sepals, or more. Staminodia sometimes 

 present. Gynoecium of 5 more or less united carpels or fewer. Fruit 

 capsular or follicular. 



1. riKMIANA Marsigli. Shrubs or trees. Leaf-blades entire or lobed. 

 Flowers unisexual or polygamous. Sepals 5, or rarely 4, often petaloid. 

 Petals wanting. Staminal column broad. Carpels nearly distinct. Stigmas 

 peltate. Capsule opening before maturity, the carpels stellately spreading. 



1. F. platanifolia (L.) E. Br. Tree becoming 12 m. tall, or a shrub: leaf- 

 blades 1-3 dm. broad, palmately 3-5-lobed: panicle commonly 2-3 dm. long: 

 sepals linear : carpels 6-9 cm. long. — Spr. & sum. 



The China parasol-teee, a native of eastern Asia, grows in fields and thickets 

 and on roadsidps in northern Florida and the northern portion of the peninsula. 

 The white or whitish wood is rather close-grained, but light and soft. (Cont.) 



Order HYPERICALES. 



Herbs, shrubs, or trees. Leaves various. Flowers mostly perfect, 

 complete and regular (irregular in Violaceae), sometimes involucrate. 

 Calyx of distinct or essentially distinct sepals. Corolla of distinct petals 

 (partially united in Fouquieriaeeae), rarely wanting. Andi'oecium of 

 several united carpels. Ovary superior, mostly with parietal placentae. 

 Fruit capsular, baccate, or drupaceous. 



Stamens imited into a tube which surrounds or encloses the gynoecium. 



Placentae parietal : style short-columnar. Pam. 1. Canellaceae. 



Placentae axile : style lobed. Fam. 2. Clusiaceae. 



Stamens distinct. 



Styles wanting: stigmas introrse. Fam. 3. Tamaricaceae. 



Styles present, distinct or united : stigmas terminal. Fam. 4. Theaceae. 



