96 LINACEAE. 



Order GERANIALES. 



Herbs, shrubs, or trees. Leaves alternate or opposite: blades simple 



or compound. Flowers perfect, monoecious, or dioecious, mostly regular. 



Calyx of distinct sepals. Corolla of distinct or nearly distinct petals, or 



rarely wanting. Androecium of as many stamens as there are sepals or 



twice as many, or rarely more. Gynoecium of 2 or several united carpels. 



Ovaiy superior. Fruit various. 



Plants destitute of secreting glands or cells in the tissues. 

 Sepals wittiout dorsal glands. 



Leaves simple : stamens 5. Fam. 1. Lixaceae. 



Leaves compound: stamens 10-15. Fam. 2. Oxamdaceae. 



Sepals bearing 1 or 2 dorsal glands. Fam. 3. Malpighiaceae. 



Plants with secreting glands, these often in the leaves, or 

 only in the bark. 

 Filaments distinct, nearly or quite to the base. 



Leaf-blades punctate by oil-glands. Fam. 4. Rutaceae. 



Leaf-blades not punctate. 



PTynoecium of distinct carpels, Fam. 5. Surianaceae. 



Gynoecium of more or less united carpels. 



Bitter-barked shrubs or trees with oil-sacs in 



the bark. Fam. 6. Simarocb.4.ceab. 



Resiniferous shrubs or trees. Fam. 7. Burser.\ce.\e. 



Filaments united into a cup or tube, wholly or in part. Fam. 8. Meliaceae. 



Family 1. LINACEAE. Flax Family. 



Herbs or woody plants. Leaves alternate or opposite : blades simple. 

 Flowers perfect, regular. Calyx of 4-6 deciduous or persistent sepals. 

 Corolla of 4-6 ephemeral petals. Receptacle glandular. Androecium of 4-6 

 stamens, often with staminodia : filaments united at the base. Gynoecium 

 of 2-5 partially united carpels, the styles wholly or partially distinct. 

 Fruit capsular. 



1. CATHARTOLINUM Eeichenb. Herbs. Leaves alternate or occasionally 

 opposite, sometimes vi'ith stipular glands. Sepals 5, the inner ones at least with 

 gland-tipped teeth. Petals yellow, sometimes pubescent within near the base. 

 Androecium of 5 stamens, generally without staminodia. Styles 5, distinct or 

 united. Capsule 5-eelled, or completely or incompletely 10-celled by false parti- 

 tions.^Fr.AX. Yellow-flax. 



Styles distinct : corolla less than 1 cm. wide : capsules spheroidal. 



Staminodia wanting: stipular glands wanting. 1. C.CurlissH. 



Staminoidia present, tooth-like : stipular glands present. 2. O. arenicola. 



Styles united : corolla over 2 cm. wide : capsule ovoid. 3. C. Carteri. 



1. C. Curtissii Small. Stems 2-6.5 dm. tall, corymbose above: leaves mainly 

 alternate, ascending or erect; blades oblong-spatulate to oblanceolate or linear 

 above, 0.. 5-1.5 cm. long: outer sepals ovate, 2-2.5 mm. long: capsules sphe- 

 roidal, 2.5 mm. broad. — Everglades and low pinelands. — (Bah.) 



2. C. arenicola Small. Stems 2-7 dm. tall, corymbose above: leaves alternate, 

 erect or ascending; blades subulate or subiilate-acicular, mostly less than 1 

 cm. long: outer sepals broadly oblong to oblong-ovate, 2.5-3 mm. long: cap- 

 sules spheroidal, about 2 mm. broad. — Low pinelands. — F. K. 



3. C. Carteri Small. Stems 1-3 dm. tall: leaf -blades narrowly linear to linear- 

 subulate, mostly 1-2.5 cm. long: outer sepals lanceolate to ovate-lanceolate, 

 4.5-5 mm. long: capsules aVjout 4 mm. long. — Pinelands. 



