164 BHINANTHACEAE. 



FAMILY 11. RHINANTHACEAE. FIG WORT FAMILY. 



Herbs. >linilts. or trees. Stems commonly terete. Leaves opposite ot 

 whorled, or alternate: blades entire, toothed, or divided. Flo\\ci> pn-t'rrt. 

 axillary, or spicate or racemose. Calyx regular or rarely '-'-lipped, "t 4 r 

 5 more or less united sepals. Corolla mostly irregular, "t 4 or '< partially 

 united petals. Androecium of 4, usually didynamous staim-ns. the tit't'h 

 one often represented by a stamiuodiuni, (tr of '2 stainous ami '2 staminodia. 

 Gynoecium 2-carpellary. Ovary 1 -celled. Fruit capsular or rarely baccate. 



Upper lip, or lobes, of the corolla external In the bud, or wanting. 

 Corolla with a spur or sac on the lower side. 



Corolla-throat open: capsule l-valvi-<l. 1. ANGELOMA. 



Corolla-throat closed by a palate : capsule opening by 



a pore. _ AVMKKIIIM M. 



Corolla without either spur or sac. 



Filaments 5, 4 anther-bearing. 1 sterile and different 



from the others. .: I'KNTSTEMOX. 



Filaments 2 or 4. 



Shrub : corolla elongate. 4. RUSSELIA. 



Herbs: corolla short. 



Anther-bearing filaments 4. 



Corolla nearly regular, about equally 5-lobed. .'. KKAMIA. 

 Corolla Irregular, manifestly 2-llpped. 



Flowers peduncled : hypogynous disk pres- 

 ent : leaf-blades palmately veined. ' ll\ I>I:I>TUIDA. 

 Flowers pedlcelled : bypogynous disk 



w.-nitiiii: ; leaf-blades plnnately veined. 7. MECARDOMA. 

 Anther-bearing filaments . 



Anther-sacs transverse, separated on a di- 

 lated connective. 8. GRATIOLA. 

 Anther-sacs vertical, contiguous. 9. Born RON ANTHE. 

 Lower lip, or lobes, of the corolla external In the bud. 

 Sepals distinct or nearly so. 



Corolla campanulate; lobes 5: leaves alternate. 1". I'APRAKIA. 



Corolla rotate: lobes 4: leaves opposite. it. SCOPABIA. 



Sepals partially united Into a tube. 



Corolla campanulate, funnelform or tubular : capsule 



not included In the calyx. 



Stamens equal. l- -\> 



Stamens unequal, dldynamous. 13. ACAI.IM- 



Corolla salverform: capsule Included In the calyx. 14. HUCHSBBA. 



1. ANOELONIA II. & H. Herbs or woody plants. Leaf -blades narrow, 

 Bhallowly toothed. Flowers in terminal racemes. Calyx-lobes 5, almo-t r.,uiil. 

 Corolla 2-lipped, the tube very short, saccate back of the lower lip. the throat 

 wide open. Stamens 4, included. 



1. A. angustifolia Benth. Plants 1-14 dm. tall, th- stnn or branches puU's 

 cent: leaf-blades linear-spatulate to linear or nearly so, 3-11 cm. long, shal- 

 lowly toothed: flowers slender-pedicelled : calyx-lobes ovate, ciliatc: corolla 

 about 2 cm. wide, spotted within. Pinelands and cultivated grounds. Nat. of 

 Mex., and cultivated. (Cuba, Ant.) 



2. ANTIREHINUM [Tourn.] L. Erect herbs or Tines. Leaf-blades 

 broad, entire. Flowers axillary, or in racemes or panicles. Calyx-lobes much 

 longer than the tube. Corolla 2-lipped, saccate at the base, the throat closed 

 by a palate. Capsules opening by subapical pores. 



1. A. antlrrhinlfloram (Poir.i A. iiit.h.-. Vi n > : leaf-blades hastate. 1-4 . n. 

 long; petioles, and pedicels, often tendril like: calyx lnl><>s lin.-ar to lin.-.-ir 

 lanceolate, 10-15 mm. long: corolla purple or \\hitr. ].". _'.", DUN. lon^: ca|>-ul<>s 

 5-8 mm. in diameter. Pinelands. Nat. of Texas, and <nlti\ < 

 Bah., Ant.) 



