1XX GARDEN BOTANY. 



3. Whitlavia grandiflora, a showy low Californian annual, with round- 

 ovate coarsely-toothed leaves, and a lax raceme of tubular-bell-shaped blue 

 flowers, over an inch long ; s amens exserted ; seeds numerous. 



ORDER POLEMONIACE^l. POLEMONIUM FAMILY. 



Manual, p. 329. Furnishes many ornamental plants to the gardens, all but 

 a few North American, many from California and Texas. 



Herbs, not climbing. 



Corolla salver-form with a long tube : stamens enclosed in the tube, 

 inserted at unequal heights : leaves entire, sessile, all but the 



uppermost opposite. 1. PHLOX. 



Corolla of various shapes : stamens equally inserted, not declined : 



leaves often cleft or compound 2. GILIA. 



Corolla between bell-shaped and wheel-shaped : stamens declined, 



hairy appendaged at the base : leaves pinnate. ... 3. POLEMONIUM. 

 Climbing by tendrils at the end of the pinnate leaves : calyx of 5 large 

 and ovate foliaceous sepals : corolla campanulate : stamens 

 declined : a large and fleshy 5-lobed disk around the base of the 

 ovary : seeds winged. 4. COB(EA. 



1. Phlox. Man. p. 330, where the perennial species cult, in gardens are de- 

 scribed. The handsome annual Phloxes recently common all come from 



P. Drummondi. Low, widely branched, glandular-pubescent ; leaves 

 oblong and lanceolate, the upper cordate-clasping at base ; corolla crimson, 

 purple, varying to rose and white. 



2. Gilia tricolor. Californian annual, with 2 - 3-pinnately divided alternate 

 leaves, linear divisions, and a few loosely panicled flowers ; corolla between 

 bell-shaped and funnel-form, bluish-lilac with a purple throat and yellow tube. 



G. capitata. Annual from Oregon, twice-pinnate leaves, alternate, with 

 almost filiform divisions, and a head of light blue flowers. 



G. androsaeea. Californian annual, low and slemfer ; leaves opposite, 

 palmately 5 - 7-cleft, divisions narrowly linear ; flowers capitate-clustered ; 

 corolla salver-shaped, with a very long tube, lilac or whitish with a dark eye. 



G. COronopifolia, CYPRESS GILIA. Biennial, from S. States, 3 -5 

 high, strict, very leafy ; leaves pinnately divided into filiform divisions ; flow- 

 ers in a long and very narrow thyrsus ; corolla l' long, tubular-funnel-form, 

 light scarlet with whitish specks inside. 



3. Polemonium CSeruleum, GREEK VALERIAN. Stem erect, leafy ; 

 leaflets many, lanceolate ; corymbs many-flowered ; flowers deeper blue than 

 in P. reptans, Man. p. 330. 



4. Cobcea scandens, from Mexico, cult, as an annual, climbing high , 

 corolla green turning dull violet, 2' or more in diameter. 



ORDER CONVOLVULACEJE. CONVOLVULUS FAMILY. 



Manual, p. 332. Most of those there described are cultivated for ornament; 

 also the following : 



1. Quamoclit vulgaris, CYPRESS-VINE. Annual twiner ; leaves deli- 

 cate, pectinate ; corolla trumpet-shaped with a spreading border, crimson or 

 scarlet. 



