804 OROBAXCHACEAE 



1. T. sedi (Suksd.) Rydb. Peduncles 1-3, slender, 5-10 cm. long, yellow or 

 straw-colored; scales 1 cm. long or less, ovate, usually short-acuminate; calyx- 

 tube conic-campanulate, 2 mm. long, glandular-puberulent ; lobes subulate from 

 a broad base, 4-5 mm. long, attenuate; corolla not strongly curved; lobes oblong, 

 acutish or obtuse. Aphyllon sedi Suksd. Parasitic on Sedum: Ore.— Mont.— 

 rJ.O. bubmont. My-Je. 



2. T. minuta (Suksd.) Rydb. Peduncles 1-4, slender, 2-8 cm. long; scales 

 1 cm. long or less, acute; calyx-tube campanulate, 2 mm. long; lobes subulate, 

 trom a broad base, 4 mm. long; corolla hairy inside on the yellow folds; lobes 

 broadly oval, rounded at the apex, not spreading. A. minutum Suksd. Para- 

 sitic on Ltthophragma, etc.: Ore.— Mont.— B.C. Submont. Ap-Jl. 



3. T. purpurea Heller. Peduncles 1-3, stout, 8-15 cm. high; scales broadly 

 ovate, obtuse glabrous; calyx-tube campanulate, 3^ mm. long; lobes lance-subu- 

 late from a broad base, 6-8 mm. long; corolla-lobes obovate or semiorbicular, 

 rounded or retuse at the apex, the lower ones usually more or less spreading. 

 Parasitic on bushes: Ore.—Mont.— Wash. Submont. My-Jl. 



4. T. f asciculata (Nutt.) Britton. Stem 2-10 cm. long; pedicels 3-12, 2-8 cm. 

 long; scales browTush, ovate, obtuse; calyx-tube 3-4 mm. long, campanulate; 

 lobes triangular-lanceolate, acuminate, 3-4 mm. long; corolla 2-3 cm. long. 0. 

 J asciculata Nutt. A. fasciculatum A. Gray. Parasitic on Artemisiu, other Com- 

 posites, E^rxo^o/iuw, Phacelia, &c.: Sask.—Ind.—N.M.— Calif.— Yukon; Mex. 



flam — Subalp. My-Au. 



5. T. lutea (Parry) Rydb. Stem 5-10 cm. long, rather slender; scales ovate, 

 acute, glandular-puberulent ; pedicels 2-5 cm. long; calyx-tube broadly campanu- 



ate, 6 mm. long; lobes triangular or lance-triangular; corolla about 2 cm. long; 



\v ^^^PP"^- ^- fasciculatum luteum A. Gray. Parasitic on grasses: Neb.— 

 Wyo.— Ariz, Plain. Ap-Jl. 



FamUy 120. MARTYNIACEAE. Unicorn-plant Family. 



Annual or perennial herbs, with branching stem. Leaves opposite, 

 rarely alternate, with broad blades. Flowers perfect, irregular. Calyx 4- 

 or 5-lobed. Corolla gamopetalous, bilabiate; tube more or less curved; upper 

 lip ^-lobed exterior m the bud; lower lip 3-lobed. Stamens 4, didynamous, 

 all anther-bearing, or the posterior two without anthers : filaments elongate. 

 Gynoecium of 2 united carpels; ovary 1-celIed, with 2 parietal placentae; 

 style slender; stigmas 2. Fruit a beaked capsule. Seeds flattened; endo- 

 sperm wanting. 



1. MARTYNIA L. Unicorn-plant. 

 Characters of the family. 



o n^j M. Louisiana Mill. A densely viscid annual; stem with spreading branches, 

 2-y dm. long; leaves petioled; blades suborbicular or rounded-ovate, 5-30 cm. 

 broad, smuate, cordate at the base ; calyx cleft on the lower side ; corolla white 

 ^f,rS"r' ^P° !^ "^w yeUow and purple within; pod 8-15 cm. long, strongly 

 tK^^l ^^^'T^*"'^.'''^'^>''^,?^^*^^^lly spreading valves; the beak longer than 

 Col N b P'"^^''*"'^'^" Glox. Waste places and banks : Me.— Ga.— Tex.— 



Family 121. PLANT A GIN ACE AE. Plantain Family. 



Annual or perennial herbs. Leaves basal or alternate. Flowers per- 

 lect, monoecious or dioecious, bracteate. Sepals 4, persistent, often scarious- 

 margined, slightly umted. Corolla campanulate or tubular, with 4. erect or 



doing oDes, scarious, nerveless, persistent. Pistil solitary; ovary super- 

 l-4-ceUed; stigma single, filiform. Stamens 2 or 4; filaments adnate to 



