68 KEY TO THE SPECIES 



leafy ; leaves large and veiny, ovate-lanceolate ; panicle crowded, the flowers 

 slender- pediceled ; calyx-lobes short-oblong, obtuse, ciliate ; not more than one 

 fourth as long as the corolla-tube. Moist places in the mountains. 



2. Mertensia lanceolata (Pursh) DC. (Lance-leaved Mertensia). Glabrous 

 or nearly so ; stems usually several, procumbent, becoming paniculately branched 

 at summit, 1-3 dm. long; leaves lance-oblong to linear ; calyx-lobes linear-oblong; 

 corolla-tube longer than the calyx and longer than the limb, hairy at the base 

 within. Common in the foothills. 



# * Filaments inserted either on the margin of the throat or near the middle 

 of the tube, narrower than the anther ; style included. 



3. Mertensia alpina Don. (Alpine Mertensia). Glabrous and glaucous, 

 tufted, 7-15 cm. high ; root-leaves ovate to narrowly oblong, on slender petioles as 

 long or longer than the blade, stem-leaves becoming sessile above ; fl.owers in a 

 close cluster ; the calyx-lobes about as long as the corolla-tube. In early spring 

 on stony slopes. 



4. LITHOSPERMUM (Puccoon) 



Perennials with thick semi-woody roots, yielding a red stain, funnel-form or 

 salver-form corolla, 5 included stamens, and 4 white polished nutlets. 



1. riitliospermuiu multifloruiu Torr. (Many-plowered Puccoon). Stri- 

 gose-hispid, 8-5 dm. high ; stems several, simple, leafy ; leaves linear-oblong ; 

 flowers crowded, short-pediceled ; corolla 10-14 mm. long, tubular with narrow 

 limb, its tube at least twice as long as the calyx, pubescent crests in the throat 

 inconspicuous. In the mountains. 



2. Litliospermum line ari folium Goldie (Narrow - leaved Puccoon). 

 Minutely strigose-pubescent ; stems tufted ; at first low simple and erect, becom- 

 ing branched and spreading, 1-3 dm. high ; leaves linear ; flowers bright yellow ; 

 the earlier conspicuous, 15-18 mm. broad with slender tube about 2 cm. long, and 

 large crests in the throat; the later ones small and pale, inconspicuous and proba- 

 bly cleistogamous. On the plains ; common. 



LVm. VERBENACEiE (Vervain Family) 



Herbs with opposite leaves, tubular 5-toothed calyx, tubular 

 sympetalous corolla with flaring 5-cleft border, 4 included sta- 

 mens, a slender style, and a superior ovary splitting into 4 seed- 

 like nutlets in fruit. 



1. VERBENA (Vervain) 



Herbs with flowers in spilies or heads, and unequal (didynamous) stamens. 



« Anthers not appendaged, flowers small, in dense spikes. 



^- Bracts inconspicuous ; flowers blue or purple. 



1. Verbena hastata (Blub VervainI. Tall, 10-15 dm. high; leaves lanceo- 

 late or oblong-lanceolate, taper-pointed, cut-serrate, petioled, the lower often lobed 

 and sometimes halberd- shaped at base ; spikes erect, with blue flowers. Waste 

 ground and roadsides. 



