fiO OKDKU 2!). ZYGOI'lI YLI.ACE^E. 



2. SWIETENIA MAHOGONI, L. MAHOGANY TUKK. A large and 

 beantiful tree <;rowin<; in South Florida. Mexico, and the Isthmus. 801001'. The redaSah- 

 brown oitamental wood is well known. Lvs. smooth, abruptly pinnate, with 6 10 lance- 

 oval^ lf> Fls. ^mall, yellowish, in panicles. 5-parted. Pod size of a goose-egij. GO-seeded. 



ORDER XXVIII. LINAGES. FLAXWORT& 



Herbs vnth entire, simple leaves, and no stipules; with Jlu users regular, 

 symmetrical, and perfect, 5-(rarely 3 or 4)-parted. Calyx strongly imbri 

 cated in the bud, corolla contorted. Stamens definite, hypogynous, aller- 

 nate with the petals. Styles distinct, with capitate stigmas, and each ceil 

 of the capsule more or less divided by a false dissepiment into two 1 -seeded 

 compartments. Seeds with little or no albumen, attached to axile pla- 

 centa. Figs. 10, 11, 130, 136, 469. 



LiINUM, L. FLAX. Sepals, petals, stamens, and styles 5, the lattei 

 rarely 3. Caps. 6-10-celled. Seeds 10, suspended, mucilaginous. Herbs 

 with a bark of strong fibres, and simple, sessile leaves. 



Flowers yellow, small (27" broad). Species (T), native. June August., .(a) 

 a Sepals entire, 1-veined, as long as the depressed or globous capsule. . .Nos. 1 > 

 a Sepals glandular-fringed, longer than the globular-ovoid capsule Nos. 5, (i 



* Flowers blue, large (!' broad). In fields and gardens Nos. 7, 8 



* Flowers large, showy, red or yellow. Garden exotics Nos. 9, 10 



1 L. Virgliilanum L. Sts. teretish, erect, corymbous above, branches short, spread 



ing, terete; Ivs. oblong to lanceolate, mostly scattered ; fls. 4-5' broad ; caps, depressed. 

 s tj les distinct. Woods and hills. 2f. Prof. Porter distinguishes No. 2 from this. 

 'i L. stria turn Walt. St. striate, often clustered ; branches short, ascending, sharply 

 about 4-angled ; Ivs. lance-oblong, the lower mostly opp. Fls. and fr. as in No. 1. Com. 



3 L. simplex Wood. Stem single, terete, corymbed at top, branches subterete ; leaves 



linear-subulate, erect, scattered ; caps, globular ; sty. distinct ; fls. 3", few. S-W. 18'. 



4 L.. diiriisum Wood. Stems very slender, ascending, with long, filiform, diffuse, an- 



gular branches ; Iva. veiny, lance., spreading, 9-12" ; fls. 2" broad ; pod depressed. W. 



5 I., sulcatum Riddell. St. and branches silicate, strict, erect ; Ivs. lin., erect ; sep. 3- 



veined, acuminate ; sty. united below. Conn, to 111., and 8. 1 l|f. (L. rigidum C-B.) 



6 Li. rigid urn Ph. Stems low and branches rigidly erect, angular-sulcate ; Ivs. linear- 



subulate, erect ; sepals lance-linear, twice longer than the pod. Iowa, Min., and W. 



7 L.. usiTATfsstMUM L. Comtnon Flax. Leaves lance-linear; panicle corymbous; 



flowers axillary ; petals crenate. 2f. The strong bark yield? linen. Europe. 



8 L.. PERENNE L. 11 Leaves linear ; flowers supra-axillary and terminal ; petals retuse, 



light blue. California! and Europe. Flowers numerous and showy. 



9 I... GRANUIFLOUUM. Leaves lance-elliptical ; flowers red ; styles 5. N. Africa. 10'. 



10 L. TKIGYNUM. Leaves elliptical ; flowers yellow ; styles 3. E.India. If. 



OHWEH XXIX. ZYGOPHYLLACEJ3. BEAN CAPEKS. 



Herbs, shrub*, or trees, with leaves opposite, mostly pinnate (not dotted) 

 and stipulate. Flowers 4- or 5-merous, corolla imbricate or convolute in 

 bud. Stamens twice as many as the petals, hypogynous, distinct, each often 

 with a scale. Oviry compound ; style and stigma 1 fruit and seeds as iu 

 Linaceie. 



