C4 LINACE.K. (FLAX FAMILY.) 



1. M. Azederach, L. (CinxA THEE.) Leaves bipinnate, the leaflets 

 coarsely serrate ; panicles axillary ; flowers lilac. Introduced by the elder 

 Micheaux a hundred years ago, and now a common shade tree arouucl 



dwellings. 



ORDER 26. AURANTIACEJE. (GRANGE FAMILY.) 



The ORANGE, LEMON, and LIME (species of CITRUS, Z,.) are com- 

 monly cultivated in the warmer parts of the Southern States, and the 

 BITTER-SWEET ORANGE (C. YULGARIS, Risso) is completely natural- 

 ized in some portions of South Florida. 



ORDER 27. LJNACEJE. (FLAX FAMILY.) 



Chiefly herbs, with entire exstipulate leaves, and regular hypogynous 

 racemose or panicled flowers. Sepals 4-5. imbricated in the bud, 

 persistent. Petals 4 - 5, convolute in the bud, deciduous. Stamens 

 4-5, united at the base. Styles 4-5, rare'ly united. Capsule globose, 

 splitting into five 2-seeded carpels, which are more or less perfectly 2- 

 celled and 2-valved. Seeds anatropous, suspended. Cotyledons flat. 



1. LINUM, L. FLAX. 



Sepals, petals, stamens, and styles 5. Capsule partly or completely 10- 

 celled, the sells 1-seeded ; seeds compressed, oily. Stems slender. Leaves 

 narrow and mostly alternate. I'eduncle 1 -flowered, borne above or opposite 

 the leaves. 



* Styles separate: capsule 10-valved. 



1. L. Virginianum, L. Stem l-2 high, paniculately branched 

 above ; leaves lanceolate or oblong, the lower mostly opposite, the upper 

 linear; flowers small, distant on the filiform branches; sepals ovate, acute, as 

 long as the depressed-globose capsule, mostly smooth on the margins. Dry 

 light soil. July - August. 



2 L. Floridanum, Trelease. Stem nearly simple, virgate, l-2 

 high; leaves linear, erect ; flowers larger (' wide), rather closely arranged 

 on the short corymbose branches ; sepals shorter than the larger globose ovate 

 capsule, the inner ones glandular-ciliate. Low pine barrens, Florida. July- 

 August. 



3. L. Striatum, Walt. Stem striate with raised lines, widely branched j 

 leaves 1' long, lanceolate, acute; flowers verv small, onesided on the leafy 

 branchlets ; sepals ovate, as long as the small depressed-globose capsule. 

 Swamps in the upper districts. 



* * Styles more or less united : cnpsitle 5-vah-ed. 



4. L. SUlcatum, Kiddell. Annual; stem 1 high, simple or sparingly 

 branched, sulcate; leaves linear, acute, minntelv biglnndular at the base; 

 sepals glandular-hispid, as long as the ovoid capsule ; styles united below the 

 middle. Drv soil, North Carolina 



