WOOTON AND STANDLEY——-FLORA OF NEW MEXICO, 295 
KEY TO THE SPECIES. 
Stamens much shorter than the sepals; flowers dull greenish 
white. 
Petioles not hirsute; hypanthium 2 to 3.5 mm. high....... 1. H. parvifolia. 
Petioles hirsute; hypanthium 3 to 5 mm. high. 
Petals spatulate, almost clawless, not exceeding the 
sepals. 2.2.2... e ee eee eee eee ee eee eee e nee 2. H. novomexicana. 
Petals obovate-spatulate, distinctly clawed, exceeding 
the sepals...........-222-22.---- 222-22 eee eee 3. H. wootoni, 
Stamens longer than the sepals; flowers more or less rose-colored. 
Hypanthium deeply turbinate, fully twice as long as broad 
and nearly twice as long as the sepals.............-- 4, IT, leptomeria. 
Hypanthium campanulate, turbinate only at the base, not 
more than half longer than broad and scarcely sur- 
passing the sepals. 
Hypanthium with the sepals 5 mm. long; plants tall, 
15 to 20 cm, high.........-.....-.-22-.--------- 5. H. versicolor. 
Hypanthium 4 mm. long or less; plants less than 15 
cm. high. 
Hypanthium 4 mm. long; inflorescence secund, 
06 Ce) sc 6. H. pulchella. 
Hypanthium 3 mm. long; inflorescence not secund, 
loose. 2... 2c ee eee eee eee eee eee eee eee .... 7. H. nana, 
1. Heuchera parvifolia Nutt.; Torr. & Gray, Fl. N. Amer. 1: 581. 1840. 
Heuchera flavescens Rydb. N. Amer. Fl. 22: 114. 1905. 
Tyre tocaity: ‘‘Blue Mountains of Oregon.’’ 
Rance: Oregon and Alberta to Arizona and New Mexico. 
New Mexico: Chama; Stinking Lake; Raton; Santa Fe and Las Vegas mountains; 
Magdalena Mountains; Organ Mountains. Damp woods, in the Transition and Cana- 
dian zones. 
This species and the next two usually occur in rich soil on cool shady hillsides under 
trees in the mountains of the State at middle or high elevations. They closely resem- 
ble each other in general appearance and are never very abundant or conspicuous. 
The type of H. flavescens was collected in Santa Fe Canyon (Heller 3693). 
2. Heuchera novomexicana Wheelock, Bull. Torrey Club 17: 200. 1890. 
Type Locality: Santa Rita, New Mexico. Type collected by Wright (no. 1098). 
RANGE: Mountains of New Mexico and Arizona. 
New Mexico: Santa Rita; Sawyers Peak; Rio Apache. Transition and Canadian 
zones. 
3. Heuchera wootoni Rydb. N. Amer. Fl. 22: 113. 1905. 
Typge LocaLity: Gilmores Ranch, White Mountains, New Mexico. Type collected 
by Wooton (no. 283). 
Rance: Damp woods, White and Sacramento mountains of New Mexico, in the 
Transition Zone. 
4. Heuchera leptomeria Greene, Leaflets 1: 112. 1905. 
TYPE LOCALITY: Organ Mountains, New Mexico. Type collected by Wooton, Sep- 
tember 17, 1893. 
RanGE: Moist slopes, Organ Mountains of New Mexico, in the Transition Zone. 
This pretty plant grows in crevices of rocks on bold rocky cliffs where there is 
water from a seep or spring. Its rootstocks are thick and crowded, bearing numerous 
radiating leaves and delicate, pale rose-colored flowers. 
