PHLOX FAMILY 693 



calyx-lobes lanceolate, cuspidate; corolla 9-11 mm. long, greenish white; tube 

 one-third longer than the calyx; lobes 3-4 mm. long, oval. Dry hills: Xeb. 

 Colo. Utah Wyo. Plain Mont. My-Je. 



5. G. globularis A. Brand. Perennial, with a taproot, simple or with a branched 

 caudex; stems 1-1.5 dm. high, densely arachnoid-lanate; leaves numerous, 3-6 

 cm. long, the basal ones usually entire, linear, the cauline ones often pinnately 

 divided; calyx densely lanate-villous ; lobes lanceolate, shorter than the tul-, 

 cuspidate; corolla about 9 mm. long; lobes broadly oval. G. congesta co/nlutn .\. 

 Gray. High mountains: Colo. Subalp. Jl. 



6. G. cephaloidea Rydb. Biennial or perennial, with a taproot; stems 1-3 

 dm. high; leaves pinnatifid into few linear lobes, or some entire, 2-6 cm. long, 

 floccose; calyx densely arachnoid; teeth lanceolate, subulate-tipped, shorter than 

 the tube; corolla about 12 mm. long; lobes oval. Hills and mountains: Mont.- 

 Wyo. Mont. Subalp. Je-Au. 



7. G. congesta Hook. Perennial, with a branched caudex; stems simple, 

 1-1.5 dm. high, arachnoid-villous; basal leaves simple, linear, or 3-cleft, 2-4 cm. 

 long; stem-leaves pinnately 3-5-cleft; calyx densely arachnoid; teeth lanceolate, 

 cuspidate, shorter than the tube; corolla white, 7-8 mm. long. G. cephaloi<li 

 A. Brand, not Rydb. Hills and sandy plains: Sask. S.D. Wyo. (? B.C.) Je- 

 Jl. 



8. G. tridactyla Rydb. Perennial, with a branched caudex; stems several, 

 arachnoid-lanate, 1-1.5 dm. high; leaves 1-2 cm. long, lanate, 3-cleft at the apex 

 or the lower entire; flowers in a short spiciform inflorescence; calyx moderately 

 pubescent; teeth lanceolate, shorter than the tube; corolla about 1 cm. long; 

 tube longer than the calyx-lobes, elliptic, 3 mm. long. G. trifida A. Brand, not 

 Nutt. Mountains: Utah. Subalp. Au. 



9. G. nuda (Eastw.) Rydb. Perennial, suffruticose at the base, with ascend- 

 ing branches, glabrous; leaves simple, linear, or 3-cleft, with linear lobes, pungent- 

 pointed, 2-3 cm. long; flowers capitate at the ends of the branches; calyx glandu- 

 lar, 6-7 mm. long; teeth subulate, acerose; corolla white, about 1 cm. long; lobes 

 about 3 mm. long. Canons: se Utah. Son. Au. 



10. G. montana Nels. & Kenn. Suffruticose perennial, branched at the 

 base; stem erect or ascending, 1-2 dm. high, arachnoid-villous; leaves almost 

 palmately divided into short divisions, arachnoid-villous; calyx turbinate, 

 arachnoid; lobes lance-subulate, cuspidate; corolla white, 5-7 mm. long; tube 

 barely exserted; lobes 2 mm. long, elliptic. G. palmifrons (A. Brand) Rydb. Sand 

 hills and mountains: Ore. Ida. Utah Calif. Son. Je-Au. 



11. G. Burleyana A. Nels. Perennial, with a suffruticose branched caudex; 

 branches erect, 15-30 cm. high; pubescence crisp, but scant, except in the 

 inflorescence; leaves alternate, some entire and linear, others pinnatifid, with 

 linear divisions, cuspidate-tipped; corolla white; tube less than 5 mm. long; lobes 

 oblong, reflexed, about 2 mm. long. Clay banks: Ida. Son. Jl. 



12. G. iberidifolia Benth. Suffruticose perennial; stems several from the 

 woody caudex, erect or ascending, floccose, 1-2 dm. high, branched above: Ira 

 pinnately divided into 3-7 linear lobes, 2-5 cm. long, or the lower entire; calyx- 

 teeth lance-subulate, cuspidate, shorter than the tube; corolla white: tube a little 

 exserted; lobes oval, 2 mm. long or less, obtuse. Dry hills, plains, and bad- 

 lands: S.D. Neb. Colo. Utah. Plain Submont. Je-Au. 



13. G. roseata Rydb. Perennial, with a woody base, cespitose; flowering 

 branches about 1 dm. high, purple-tinged, more or less villous or crisp-hairy; 

 leaves pinnatifid, with linear pungent-pointed lobes, about 2 cm. long; ealyx al 

 very pubescent and rose-tinged; lobes subulate and spinulose-pointed; corolla 

 about 8 mm. long; its lobes 4-5 mm. long, elliptic, obtuse. Dry hills: Colo.- 

 (? Ida.). Submont. My. 



14. G. Gunnisonii Torr. Stem erect, divaricately branched, 1- .5 dm. 

 high; leaves glabrous, 1-4 cm. long; flowers in small terminal heads: ralyx cain- 

 panulate, crisp-hairy and somewhat glandular; teeth lanceolate, shorter 



