784 SCROPHULARIACEAE 



2. S. dissecta Rydb. Leaves 5-10 cm. long, petioled, villous-tomentose ; 

 blades oval in outline, twice or thrice pinnatifid; scape villous-tomentose, 5-20 

 cm. high; corolla about 6 mm. long, dark blue or purple, or in age paler; capsule 

 obovate, 6 mm. long. High mountains: Mont. nw Wyo. Mont. Je-Au. 



3. S. laciniata (A. Gray) Rydb. Leaves glabrous, or at first slightly villous, 

 with petioles 3-8 cm. long; leaf-blades cordate or reniform in outline, 1-3 cm. 

 long, 9-13 cleft, with laciniate and cleft divisions; scape 5-15 cm. high, glabrous; 

 corolla violet, light blue, or whitish, 4-5 mm. long; lobes oblong; capsule obovate, 

 5 mm. long, glabrous. S. pinnotifida laciniata A. Gray. Mountains: Utah- 

 Mont. Mont. Je-Jl. 



4. S. major (Hook.) Heller. Leaf-blades reniform, glabrous, firm, shining, 

 3-7 cm. broad, palmately many-lobed; the lobes dentate with triangular teeth; 

 petioles 5-15 cm. long; scape 1-4 dm. high, glabrous; corolla purple, 6-7 mm. 

 long; lobes elliptic. S. reniformis major Hook. Wet places: Wash. Ida. Ore. 

 My-Jl. 



17. BESSEYA Rydb. KITTEN-TAILS. 



Perennial herbs with rootstocks. Leaves mostly basal, with oblong or ovate, 

 crenate blades and short petioles; stem-leaves reduced, alternate, sessile. Flow- 

 ers perfect, in terminal spikes. Sepals 4, or sometimes 1-3, almost distinct. 

 Corolla irregular, 2-lipped, cleft nearly to the base or wanting; upper lip broad, 

 entire, concave; lower lip irregularly 3-cleft. Stamens 2; filaments exserted, 

 adnate to the tube of the corolla, or, if the latter is lacking, inserted on the out- 

 side of a hypogynous disk; anther-sacs parallel or nearly so. Capsule rather 

 turgid, short, emarginate. Seeds several, flat. 



Corolla present. 



Flowers not reflexed; calyx-lobes 3-4. 



Upper lip of the purple corolla twice as long as the calyx; plant 11.5 dm. high. 



1. B. alpina. 

 Upper lip of the corolla only slightly longer than the calyx; plant 1.5-3 dm. high. 



Corolla purple or pink, not ciliate; divisions of the lower lip obtuse. 



2. B. plantaginea. 

 Corolla white or yellowish, ciliate on the margin; divisions of the lower lip 



acute. 3. B. Ritteriana. 



Flowers reflexed; calyx-lobes 2; corolla greenish white. 4. B. reflexa. 



Corolla lacking. 



Calyx almost regularly 4-cleft. 5. B. rubra. 



Calyx split to the base on the upper side, below irregularly divided or cleft into 2 



(rarely 3) entire or toothed lobes. 

 Calyx cleft on the lower side to near the base or at least below the middle. 



6. B. gymnocarpa. 

 Calyx cleft only slightly below. 7. B. wyorningensis. 



1. B. alpina (A. Gray) Rydb. Petioles 2-6 cm. long; leaf-blades ovate, 

 oval, or elliptic, sometimes subcordate at the base, 2-5 cm. long, crenate, soon 

 glabrous; scape 1-1.5 dm. high; calyx densely white- villous ; corolla 7-8 mm. 

 long; stamens exserted. Synthyris alpina A. Gray. Higher mountains: Colo. 

 Wyo. Mont. Alp. 



2. B. plantaginea (Benth.) Rydb. Leaves more or less persistently tomen- 

 tose; petioles 2-5 cm. long; leaf-blades oblong, lance-oblong or lance-elliptic, 

 crenate, 5-15 cm. long; scape 1-3 dm. high; sepals oblong, villous-ciliate; upper 

 lip of the corolla twice as long as the lower one. S. plantaginea Benth. Hill- 

 sides and mountains: Wyo. N.M. Ariz. Submont. Alp. My An. 



3. B. Ritteriana (Eastw.) Rydb. Leaf-blades elliptic or oblong, obtuse, 

 cuneate at the base, crenate, 5-10 cm. long, sparingly pubescent; scape 2-3 dm. 

 high, sparingly villous; sepals 3-4, orbicular or obovate, villous-ciliate; corolla 

 about 6 mm. long; stamens exserted. S. Ritteriana Eastw. S. flavescens A. 

 Nels. Higher mountains: Colo. Submont. Subalp. My-Jl. 



4. B. reflexa (Eastw.) Rydb. Leaf -blades 7 cm. long, elliptic-oblong, obtuse, 

 truncate or cuneate at the base, finely crenate, thin and glaucous; scape 1-2 dm. 

 high; calyx 5 mm. long; lobes only 2, orbicular, villous-ciliate; corolla 8 mm. 

 long, sparingly fringed; filaments long-exserted. S. reflexa Eastw. High moun- 

 tains: Colo. Mont. Au. 



