52 Muhlenbergia, Volume 4 
Bracts exceeding the calyx, oval 
Stems shorter than the long petioles of the leaf- 
blades; densely hoary-tomentose, veins con- 
spicuous; bracts twice as long as the calyx 
Stems 10-40 cm. long, foliage velvety or plushy pu- 
bescent; bracts slightly exceeding the calyx 
5. PURPURATI 
Stems erect; peduncles elongated, 8-15 cm. long; leaf- 
blades linear-hastate, short-petioled, glabrous 
and glaucous; sepals ovate, obtuse or emarginate. 
Desert regions of southern Nevada and adjacent 
California 
Stems twining; leaf-blades deltoid-ovate to triangular- 
lanceolate 
Bracts narrowly oblong to linear-lanceolate, 4-9 mm. 
long, distant their length from the calyx; corolla 
creamy, turning purplish; sepals unequal, obtuse 
Bracts linear, 8-1omm. long; sepals broadly lanceo- 
late, cuspidate-acuminate, subequal 
6. FULCRATI 
Basal auricles short; bracts paired and opposite, 6-12 mm. 
long, short-stalked, about their length distant from 
the calyx; foliage softly pubescent 
Basal auricles of the blades more than half the length of 
the blade; bracts inserted one above the other; se- 
pals unequal, pubescent, broadly lanceolate, trun- 
cate and mucronate at the apex 
7. DELTOIDEI 
Foliage woolly-white; bracts 1.5 cm. long; peduncles 
5-8cm. long, exceeding the leaves 
Foliage pubescent or glabrous, not woolly-white 
Foliage densely pubescent; stems 10-30cm. long; 
upper leaf-blades sharply deltoid, lower ones 
cordate-ovate and obtuse; the petiolate, leaf-like 
bracts distant from the calyx; sepals oval, unequal, 
truncate to obtuse 
Foliage glabrous; stems elongated; leaf-blades reni- 
form-deltoid; bracts hastately auricled at the base, 
5-8mm. long; sepals very unequal, rounded at the 
apex 
14. 
16. 
17. 
18. 
19. 
20. 
2%3 
22. 
2a: 
. collinus 
. malacophyllus 
. longipes 
. purpuratus 
. illecebrosus 
. fulcratus 
. gracilentus 
. Berryi 
. deltoideus 
. saxicola 
