BORAGE FAMILY 729 



long; limb about 1 mm. wide; nutlets ovate, granulate-tubercled on the back, 

 affixed by nearly their whole length; groove narrow, forked at the base with an 

 open areola. K. pterocarya A. Gray. Plains and dry places: Wash. Ida w 

 Colo. N.M. Calif. Son. My-Jl. 



23. C. utahensis (A. Gray) Greene. Stem branched, 2-3 dm. high, strigose 

 or hirsute below; leaves linear, hispidulous; corolla 3 mm. long; limb 1.5-2 mm. 

 wide; nutlets lance-ovate, minutely papillate on the back; groove gradually 

 opening below into an open areola. K. utahensis A. Gray. Eritrichium holop- 

 terum submolle A. Gray. Dry places: s Utah s Calif. Son. My. 



13. AMSINCKIA Lehm. FIDDLE NECK, BUCKTHORN-WEED. 



Rough-hispid biennials. Leaves alternate, linear or oblong to ovate, entire. 

 Flowers perfect, legular, in scorpioid spikes, leafy-bracted. Calyx persistent, 

 5-lobed, or some of the lobes united to near the apex. Corolla salver-shaped, 

 yellow; tube mostly rather elongate; throat in seme flowers with and in others 

 without fornices, in the latter the stamens inserted high up, in the former low 

 down in the tube; limb often plicate in the sinuses. Nutlets bony, more or less 

 triangular, attached below the middle to the pyramidal receptacle. 



Leaves all narrowly linear. 1. A. retrorsa. 



Stem-leaves at least lanceolate to ovate. 



Corolla about 5 mm. long. 2. A. micrantha. 



Corolla 8-10 mm. long. 



Nutlets with tubercles in more or less distinct rows, but not with tessellate ridges. 

 Fruiting calyx about 12 mm. long. 3. A. idahoensis. 



Fruiting calyx about 8 mm. long. 



Stem-leaves narrowly lanceolate; tubercles distinctly in rows. 



4. A. hispidissima. 

 Stem-leaves broadly lanceolate; tubercles scarcely arranged in rows. 



5. A. Menziesii. 

 Nutlets rugose, with tesselate ridges, interposed with smaller tubercles. 



Stem-leaves narrowly lanceolate; inflorescence not leafy; sepals linear-lance- 

 olate, free. 6. A. rugosa. 



Stem-leaves broadly lanceolate or oblong; inflorescence leafy; sepals lanceo- 

 late, some often united. 7. A. tessellata. 



1. A. retrorsa Suksd. Stem strict, 3-6 dm. high, hispid with spreading or 

 retrorse hairs; leaves linear, 5-10 cm. long, densely hirsute; sepals linear, 5 mm. 

 long, in fruit 8 mm. long, not covering the nutlets; corolla with indistinct orange 

 spots, 7-8 mm. long; nutlets transversely rugose and with intermediate small 

 tubercles. Dry ground and river valleys: Wash. Ida. Son. Ap-My. 



2. A. micrantha Suksd. Stem 3-4 dm. high, sparingly and finely hispid; 

 basal leaves oblanceolate or oblong, 3-6 dm. long, sparingly hispid; upper stem- 

 leaves lanceolate; calyx-lobes linear, 4 mm. long, in fruit 4-8 mm. long; corolla 

 light yellow, unspotted; nutlets only faintly rugose, but rather strongly tubercled. 

 Waste places and among bushes: Wash. Ida. B.C. My-Je. 



3. A. idahoensis M. E. Jones. Stem about 6 dm. high, sparsely setose- 

 hispid; basal leaves oblanceolate, very hispid; stem-leaves ovate-oblong, 3-5 cm. 

 long; inflorescence broad and short; bracts leafy, 12-15 mm. long; nutlets ob- 

 liquely ovoid, 3 mm. long, sharply tubercled, distinctly keeled on the back. 

 Dry ground: Ida. Mont. Son. 



4. A. hispidissima Suksd. Stem very densely hispid, especially below, 

 3-7 dm. high; basal leaves oblanceolate, 5-8 cm. long, densely hispid; stem-leaves 

 linear-lanceolate; sepals linear-subulate, densely hispid; corolla 8 mm. long, with 

 orange spots in the throat. Dry and waste places: Ore. Ida. Utah. Son. 

 Submont. My-Je. 



5. A. Menziesii (Lehm.) Nels. & Macbr. Stem hispid, 4-7 dm. high; basal 

 leaves oblanceolate; stem-leaves broadly lanceolate, hispid; calyx-lobes linear; 

 corolla light yellow, spotless, 8 mm. long; nutlets not at all rugose, densely covered 

 with small tubercles not arranged in rows. A. intermedia A. Gray, in part. 

 Hills: Ida. B.C. Son. My-Jl. 



6. A. rugosa Rydb. Stem 3-5 dm. high, densely hispid; basal leaves linear- 

 oblanceolate, 5-8 cm. long, hispid; stem-leaves narrowly lanceolate; racemes 



27* 



