548 LABIATA. 
We have seen only one specimen of this, but it seems a very distinct species, having 
small strongly: ribbed leaves. Since the foregoing was written we have received 
Palmer's 1059, which appears to be the same species, though it is much less pilose. 
2. Hedeoma dentata, Torr. Bot. U.S. & Mex. Bound. Surv. p. 130; A. Gr. 
Synop. Fl. N. Am. ii. p. 368. 
Arizona.—Norti Mexico, at Santa Cruz, Sonora, within the old boundary (Thurder). 
3. Hedeoma drummondii, Benth. Lab. p. 308 ; DC. Prodr. xii. p. 245; A. Gr. 
Synop. Fl. N. Am. ii. p. 362. 
CoLoraDo and Nepraska to Texas and Arizona.—Norte Mexico, Monclova, Coahuila 
(Palmer, 1057), Chihuahua (Wright), Monterey (Berlandier), region of San Luis Potosi, 
6000 to 8000 feet (Parry & Palmer, 738). Hb. Kew. 
4, Hedeoma hyssopifolia, A. Gr. Proc. Am. Acad. xi. p. 96; Synop. Fl. N. 
Am. ii. p. 363. 
Arizona.—NortH Mexico, on Mount Graham, within the old boundary (Rothrock). 
Hb. Kew. 
5. Hedeoma palmeri, Hemsley, n. sp. (Tab. LXIX. B. figg. 6-9.) 
Hirsuta, caule procumbente radicante, ramis numerosis erectis vel adscendentibus, foliis orbiculari- 
oblongis iis Origani vulgaris simillimis, verticillastris usque 20-24-floris, calyce subzqualiter 
5-dentato leviter curvato, corolle tubo (longiore quam calyx) intus extusque plus minusve 
hirsuto, labio postico bifido, antico fere equaliter trifido, staminodiis minutis. 
Herba perennis, hirsuta, basi suffrutescens, caule procumbente, radicante, ramis numerosis, erectis 
vel adscendentibus, usque sesquipedalibus, graciliusculis, in exemplariis nostris purpureis. 
Folia petiolata (iis Origani vulgaris simillima) elliptico-oblonga vel orbicularia, cum petiolo 
6-12 lineas longa vel inferiora interdum ultra, integra vel remote denticulata. Flores parvi, 
purpurei; verticillastri densi, in axillis foliorum supremorum breviter pedunculati, usque 
20-24-flori; bractez lineares, pilose; calyx albo-pilosus, subzequaliter 5-dentatus, leviter 
curvatus, 13-nervis; tubus intus glaber, fauce villosa, post anthesin clausa; dentes subulati, 
erecti, tubo paullo breviores ; corolla tubus calyce paullo longior, intus sparse puberulus, 
exannulatus, extus hirsutus, labio postico erecto bifido, apice extus barbato, labio antico 
patente, fere equaliter trilobo, lobo intermedio longiore ; stamina 2 antica perfecta breviter 
exserta; antherarum loculi divaricati; staminodia minuta, filiformia; stylus bifidus, lobis 
valde inequalibus, postico fere obsoleto. Nucule oblonge, subtrigone, leves. 
NortH MExico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 728). 
Hb. Kew. | : 
EXPLANATION OF TAB. LXIX. B. 
Fig. 6, a flower; 7, a corolla, laid open; 8, upper filament and anther; 9, pistil and disk: all 
enlarged. 
6. Hedeoma piperita, Benth. Lab. p. 730; DC. Prodr. xii. p. 245. 
New Spain (Mogino & Sessé); Soura Mexico, Real del Monte (Coulter, 1082)? 
Hb. Kew. 
