LABIATA, 549 
7. Hedeoma rotundifolia, Hemsley, n. sp. 
Cano-pubescens, ramis vel caulibus erectis, foliis parvis petiolatis crassiusculis orbicularibus vel 
ellipticis, verticillastris usque 30-floris subracemosis, calyce subzqualiter profunde 5-dentato, 
corolle pilosule tubo breviore quam calyx intus antice furfuraceo, labio postico integro, 
antico trilobato, lobis lateralibus latioribus, staminodiis minimis. 
Herba perennis (?), cano pubescens, ramis vel caulibus erectis, pedalibus. Folia petiolata, crassi- 
uscula, orbicularia vel elliptica, cum petiolo 4-6 lineas longa, integra, margine recurva, subtus 
precipue cano vel albido pubescentia vel villosula. Flores parvi; verticillastri densi, sub- 
-racemosi, usque 30-flori; bractez lineares, pilose ; calyx albo vel cano pilosus, subaequaliter 
5-dentatus, 13-nervis ; tubus intus glaber, fauce villosa post anthesin clausa; dentes subulati, 
erecti, tubo paullo breviores; corolle pilosule tubus calyce paulo brevior, intus antice fur- 
furascens, exannulatus, labio postico erecto, integro, antico trilobato, lobis lateralibus multo 
latioribus, intermedio basi cuneato, apice dilatato, emarginato; stamina 2 antica perfecta 
breviter exserta; antherarum loculi connectivo crassiusculo divaricati; staminodia minima ; 
stylus inzequaliter bifidus. Nucule ovato-oblongz, leves. 
Sourn Mzxico, Zimapan (Coulter, 1081). Hb. Kew. 
This is closely allied to H. palmeri, differing in its thicker foliage, shorter corolla- 
tube with a broader lower lip and entire upper lip, and in its very minute staminodes. 
8. Hedeoma tenella, Hemsley, n. sp. 
Ramis procumbentibus gracillimis puberulis, foliis petiolatis ovatis dentatis, verticillastris paucis in 
apicibus ramorum, corolle tubo angustissimo longe exserto. 
Herba, ut videtur, perennis, ramis procumbentibus, filiformibus, leviter puberulis, 6-9 poll. longis. 
Folia longe graciliterque petiolata, tenuia, glabrescentia, ovata, cum petiolo usque ad 10 lineas 
longa, integra vel paucidentata, obtusa vel rotundata, subtus sepe purpurea. Flores purpurei, 
elongati, ad 10 lineas longi; verticillastri paucl, pauciflori, in apicibus ramorum congesti; 
calyx pilosus, subzqualiter 5-dentatus, 13-nervis, dentibus subulatis, fauce villosa; corolla 
angustissima extus puberula, quam calyx triplo longior, intus exannulata, labio postico 
emarginato vel bifido, antico subsequaliter trilobato, lobis omnibus latis rotundatis; stamina 
perfecta 2, antheris approximatis ; staminodia minima. Nucule oblonge, leeves. 
Nort Mexico, Guajuco, Nuevo Leon (Palmer, 1060). Hb. Kew. 
9, POLIOMINTHA. 
Poliomintha, A. Gr. in Proc. Am. Acad. viii. pp. 295, 865 ; Benth. et Hook. Gen. Plant. i. p. 1189. 
About six half-shrubby species, inhabiting the Texano-Mexican region. 
1. Poliomintha glabrescens, A. Gray, MSS. 
« Pruticulosa, primum tomentuloso-canescens, mox glabrata; foliis crebris parvis (lin. 3-5 longis) 
oblongo-linearibus obtusissimis eveniis supra viridibus cito glabris utrinque eximie punctatis ; 
calycis dentibus sublanceolatis obtusiusculis, tubo plus dimidio brevioribus, semper erectis ; 
corolla extus villosa, tubo incluso intus piloso-annulato ; staminodiis exiguis.” 
Nortu Mexico, Soledad, twenty-five miles south-west of Monclova, Coahuila (Palmer, 
1056). Hb. Kew. 
9. Poliomintha incana, A. Gr. in Proc. Am. Acad. viii. p. 296. 
Hedeoma incana, Torr. Bot. U.S. & Mex. Bound. Surv. p. 130. 
Uran to Texas.—Norta Mexico, Sonora (Parry). 
