SCROPHULARIACEiE. (FIGWORT FAMILY.) 273 



t- ■♦- Anther-cells equal, parallel and alike In all 4 stamen*. 



'.5. Pedicularis. Calyx various, cleft anteriorly and sometimes posteriorly. Corolla 

 with cylindraceous tube and narrow throat, strongly bilabiate ; iipi.«-r lip .onipreAsed 

 laterally, fornicate or conduplioate ; lower erect at base, 2H?riKtat« aliove, S-lobwl ; 

 the lobes spreading or reflexed, the middle one smaller. Capsuh- ••(.mprciwe*! and 

 often oblique or falcate, rostrate. Leaves mainly alternate or verti.illato. 



IG. Rhinanthus. Calyx ventricose-compressed, 4-toothed. inllaled in fruit C<m>lU with 

 cylinilrareous tube; galeate upper lip ovate, obtuse, ccniprL-ssLM. entire at niK;x, but 

 with a minute tooth on each side below it ; lower lip shorter, with 3 spreading lube*. 

 Capsule orbicular, compressed. Leaves opiwsite. 



1. LIN ARIA, Tourn. Toad-Flax. 



Herbs : calyx 5- parted : leaves entire and mostly linear : flowers in a naked 

 terminal raceme. 



1. L. Canadensis, Dumont. Flowering stem.s nearly simple. 6 U> 30 

 inches high : leaves flat, alternate on the erect flowering stems, smaller and 

 oblong and mainly opposite or whorled or procumbent shoots or suckers from 

 the base : pedicels erect, not longer than the filiform and curved spur of the 

 small blue corolla. — Across the continent, in sandy soil. 



2. COLLINSIA, Nutt. 



Low; with simple opposite sessile leaves, or the upper verticillate : flowers 

 solitary or umbelliform-verticillate : corolla often 2-colored. 



1. C. parviflora, Dougl. About a span high, at length diffuse or sprea<l- 

 ing: leaves oblong or lanceolate; the upper narrowed at ba.se and entire; the 

 floral often in whorls of 3 to 5 : pedicels solitary or above 2 to 5 in the whorl: 

 calyx-lobes lanceolate or triangular-subulate, usually almost equalling the 

 blue (or partly white) corolla : gland small, capitate, short-stipitate. — From 

 Arizona and Utah to Washington and Michigan. 



3. SCROPHULARIA, Tourn. Figwort. 



Usually tall and homely herbs ; with opposite leaves and loose cymes of 

 small flowers in a narrow terminal thyrsus. 



1. S. nodosa, L. Nearly glabrous, 2 or 3 feet high: thyrsus elongated 

 and open : leaves ovate or oblong-ovate, acute, with a rounded or subconlute 

 base, sharply and often doubly serrate : rudiment of fifth stamen orliicular. 



Var. Marilandica, Gray. Taller, sometimes 5 feet high : leaves larger 

 and thinner, acuminate, often ovato-lanceolate, selilom at all cordate, mostly 

 simply serrate. — Synopt. Fl. ii. 258. From Oregon and Utah eastward across 

 tlie continent. 



4. PENTSTEMON, Mitchell. Beaui>-tonoue. 



Usually with simple stems or branched from the base: the leaves op|>osite, 

 rarely verticillate : inflorescence from thyrsiform to almost simply racemose, 

 and the flowers mostly showy. 



18 



