692 POLEMONIACEAE 



CoroUa-tube distinctly exserted from the calyx; leaves mostly basal or the stem- 

 leaves reduced. 



Plants branched near the base; the few stem-leaves pinnatifid. 

 Lamb of the coroUa 5-6 mm. wide; calyx glandular-puberulent. 



Limb of the corolla 3^ mm. wide; calyx glabrous or nearly so. 



■r>i J. • 1 T_ 1 , , 32. G. sinuafa. 



I'lants^mple below, branched above; stem-leaves several, lanceolate, sharply 

 toothed or rarely entire. 33 q straminea 



CoroUa-tube scarcely exserted from the calyx; plant more leafy. ' 



Corolla 4-6 mm. long. ^^' ^' ^^^onspicua. 



Plant leafy only at the base; divisions short and broad; corolla about twice as long 

 T>i^^ tne calyx. , ^ ^. . . ^ 35. G. subacaulis. 



Plants l^ly throughout; divisions of the leaves narrow; corolla only shghtly exceeding 



Leaves pinnatifid, with Unear or oblong divisions. 36. G. Turedyi. 



L/OWer leaves sometimes ninnafifiH wi**-Vi filirr*«r« ri:,.i^i««« «<.! „j — *.i,« !«„,.«„ 



fihform and enth-e. ' 47^ G. minutiflora. 



Stamens 



VIII. Leptomeriae. 



37. G. stenothyrsa. 



47. G. minutiflora. 



Stamens not exserted; inflorescence an open panicle. 



Basal leaves toothed or lobed; annuals, biennials, or short-lived perennials. 

 I' lowers 1 cm. long or more. 



Plant densely glandular; stem-leaves oblanceolate. usually toothed; corolla 



scarlet or orange. 38 q subnuda. 



Plant nearly glabrous; upper stem-leaves lanceolate-subulate, entire;' corolla 



rose-colored. 



Calyx 5 mm. long; corolla 15 mm. long. 30. G. Crandallii, 



T?i^^^^^i ^'^*u ^^- ^^"^' corolla 10 mm. long. 40. G. Ilaydeni. 



Flowers less than 1 cm. long; annuals. 



Leaf-blades lanceolate, sinuately lobed; lobes scarcely si)inulose-tipped. 



T^ofi.1 j™ I,. 1 , 41. G. leptomcria. 



T^noni lif, I; Ki <>^?icular or obovate, spinesceut-toothed. 42. G. latifolia. 

 Basal leaves oblanceolate, entire; perennials. 



^n!ol 1 ^"^^^ t"^ ^^- ^^^S- 43. G. pentstemonoides . 



Basal leaves 1 cm. long. 



■ nZ?\]^ oK^'^'P ?.?^- ^9^^= ^^^^^ simple. 44. G. sedifolia. 



Coroha about 10 mm. long; plant cespitose. 45. G. caespitosa. 



IX. MiNXJTiFLORAE. 



Tall plants with strict branches and erect pedicels. 



i'ecUcels longer than the frmting calyces; branches ascending; capsule with 2 seeds 



m each ceU; coroUa 5 nun. long. 46 q sinistra 



Pedicels u^ally shorter than the fruiting calyces: branch^ ' ' ' ' 



1-seeded; coroUa 3-4 mm. long. 



Low deUcate plants with spreading branches; pedicels in fruit re 



48. G. tenerrima. 



1. G. frutescens Rydb. Stems woody below, branched abo\-e, 3-5 dm. 

 hx&i) leaves linear, glabrous or nearly so, simple, 2 5 cm. long, 1-2 mm. wide, 

 callous-tipped; flowers capitate at the ends of the branches; calyx-teeth lanceo- 

 late, cuspidate, shorter than the tube; corolla white, 5-6 mm. long; tube barely 

 exserted; lobes about 2.5 mm. long, oval, acute. Utah. Son. My. 



2. G. spergulifolia Rvdb. Stem low, more or less woody at the base, 5-10 

 cm. high more or less pubescent with white crisp hairs, or puberulent; leaves 

 imear-tiliform, entire, or the upper rarely with 1-2 simUar lobes, tipped with a 

 pungent point; flowers m capitate clusters; calyx villous, with short subulate 

 pungent teeth; corolla 4-5 mm. long, white; tube not exserted; lobes oblong, 



Smst-Jl ^^^^ ^ ^^' ^^^^' ^^^"^ ^'^^'^^^ Colo.^Wyo.— Mont.— Utah. 



3. G. crebrifolia Nutt. Stems several, from a branched woody caudex, 

 erect or ascendmg, sparmgly villous, &-15 cm. long; leaves simple, fleshy, crowded, 

 glabrous or nearly so, cuspidate, 1-2 cm. long; flowers capitate; calyx sparingly 

 vinous; teeth subulate, shorter than the tube; corolla 4-6 mm. long, exserted; 

 lobes oval, about 2 mm. long. C. Merrillii A. Nels. Dry soil: Wyo. SubmonL 



erect, 

 entire 



4- G. spicata Nutt. Biennial or perennial 



at the base, arachnoid-viUous, 1-3.5 dm. high; leaves linear 



linear lobes. 2—5 cm. Inner 1_9 mm wirlo or^^j-ir>frUr flrachnoid 



