146 



SCROPHUI/ARIACEAE. 



[Vol. III. 



u^ 



Flower.s yellow, 8"-i5" long. 



Leaves linear; flowers i2"-is" long; seeds winged. 



Leaves lanceolate; flowers 8 '-10" long; seeds wingless. 

 Flowers blue to white. 3"-6" long. ^"- ' -*■. 



Spur of corolla filiform, curved; native species. 



Spur of corolla short, conic; European adventive species. 



dtoii 



1. /-. Linaria, 



2. L. genislaefolia. 



,■5. L. Canadensis. 

 4. L. repens. 



I. Linaria Linaria (L.) Karst. Ranstead. 



Butter-and-Egg.s. Yellow Toad-Flax. 



(Fig. 3236.) 



Anlirrhinum Linaria L. Sp. PI. 616. 1753. 

 Linaria I'ult^aris Mill. Gard. Diet. Kd. S. no. I. 1768. 

 Linaria Linaria Karst. Deutsch. Fl. 947. 1S80-83. 



Perennial by short rootstocks, pale green and 

 slightly glaucous; stems slender, erect, very leafy, gla- 

 brous, or sparingly glandular-pubescent above, simple 

 or with few erect branches, i°-3°high. Leaves linear, 

 sessile, entire, acute at both ends, mostly alternate, 

 Yz'-iYz' long, V-iYz" wide; flowers densely race- 

 mose, light yellow, i'-iJ4' long, the spur of the erect 

 corolla somewhat darker, tlie palate orange-colored; 

 pedicels i"-\" long, nearly erect; calyx-segments ob- 

 long, acutish, about lYz" long; spur subulate, nearly 

 as long as the body of the corolla; middle lobe of the 

 lower lip shorter than the other two; capsule ovoid, 

 the seeds rugose, winged. 



In fields and waste places, Nova Scotia to Manitoba, 

 .south to Virginia and Nebraska. Naturalized from l^u- 

 rope. Native also of Asia. June-Oct. Called also Bride- 

 weed, Flaxweed, and Eggs and Bacon. Widely dis-tributed 

 in temperate regions as a weed. 



2. Linaria genistaefolia (L.) Mill. Broom- 

 leaved Toad-Flax. (Fig. 3237.) 



Antirrhinum genistaefolium L. Sp. PI. 616. 1753. 

 Linaria genislaefolia Mill. Gard. Diet. Ed. 8, no. 14. 1768. 

 Similar to the preceding species but more glaucous 

 and usually paniculately branched; stem rather .stout, 

 l°-3° high; leaves lanceolate, sessile, \'-y,2' long, 

 2"- 6" wide, acute or acuminate at the apex; flowers 

 yellow, loosely racemose, 8"-io"long; pedicels short; 

 spur of the corolla nearly as long as the tube; capsule 

 ovoid; seeds wingless. 



Sparingly established on the northern part of New York 

 Island; station now nearly or quite obliterated. Natural- 

 ized or adventive from continental Europe. June-Aug. 





3. Linaria Canadensis (L.) Dumont. 

 Blue or Wild Toad-Flax. (Fig. 3238.) 



Anlirrliiunm Canadense L. Sp. PI. 61S. 1753. 

 Linaria CanadensisDumont, Bot. Cult. 2: 96. 1802. 

 Biennial or annual, glabrous, green, sometimes 

 flesh}-; flowering stems erect or ascending, verj- 

 slender, simple, or branched, 4'-2^i° high, the 

 sterile shoots spreading or procumbent, very 

 leafy. Leaves linear or linear-oblong, 4"-i5''' 

 long, yz"-i" wide, entire, sessile, those of the 

 sterile shoots, or some of them, usually opposite; 

 flowers 3"-4" long, in slender long racemes; 

 pedicels 2"-3" long, erect and appressed in fruit, 

 minutely bracted at the base; calyx-segments 

 lanceolate, acute, or acuminate, about as long as 

 the capsule; spur of the corolla filiform, curved, 

 as long as the tube or longer; palate a white 

 convex 2-ridged projection; capsule opening by 2 

 apical valves, each valve becoming 3-tootlied; 

 seeds angled, wingless. 

 In dry soil. Nova Scotia to Florida, west to Minnesota, Oregon, Texas and California. Also in 

 Central and South America. A dwarf form with no corolla is frequent. May-Sept. 



