144 PRACTICAL BOTANY. . 



with a tough, fibrous bark. Leaves oblong-lanceolate or 

 linear. Flowers scattered, usually yellow, sometimes blue. 



(148) Linum. 

 Pod 1-celled. Sepals, petals, stamens and styles 5. 



186 



186. Petals 2-cleft. Pedicels longer than the obtuse 

 sepals. Stamens usually 10, rarely 5. Stem hairy, viscid, 

 spreading, 6-15 inches long. Leaves oblong-lanceolate. 

 Upper bracts scarious-margined. Cerastium viscosum, L. 



Petals entire 187 



187. Minute stipules present. Leaves linear, thread- 

 form, whorled. Spergula arvensis, L. 



Stif>ules none. Leaves opposite, thread-like or 

 awl-shaped. (134) Sagina (204). 



188. Calyx deeply 5-parted. Styles apparently 6 or 10, 

 really 3, or sometimes 5 styles, deeply 2-parted. Low 

 perennials. Leaves clothed with reddish, gland-bearing 

 bristles, all in a tuft at the base. Flowers in a 1 -sided 

 raceme on a scaj^e, white, or jjurple-rose color. Flower-parts 

 rarely in sixes. Drosera. 



Calyx funnel-shaped, 5-toothed, membranaceous 

 above, herbaceous below. Petals clawed. Styles 5 (rarely 

 3). Flowers lavender-color, scattered, or loosely spiked, and 

 the 3-bracted, 1-, rarely 2-flowered spikelets remotely secund 

 on the branches. Leaves oblong-spatulate, or lance-obovate, 

 tij^ped with a deciduous bristly point. 



Statice Limonium, L. 



1 89. (175.) Styles or sessile stigmas 2 190 



Styles or s. st. habitually 3 (rarely 4 or 5) 196 



Styles or s. st. 5, or more 206 



190. Leaves twice- or thrice-ternately compound. 

 Flowers polygamous. Calyx-lobes and petals 5 (4), the lat- 

 ter spatulate, small. Stamens twice as many. Pod 2-celled, 

 separating into 2 few-seeded follicles. 



Astilbe decandra, Don. (882). 



Leaves not compound. Flowers perfect. Stamens 

 10 191 



