OF ARTS AND SCIENCES: FEBRUARY 13, 1872. 367 



Var. obloxgifolia : forma strictiore altiore (pedali), foliis oblongis 

 sumruis lanceolatis acutis. H. dentata Torr. 1. c. pro parte. — New 

 Mexico and Arizona. 



H. Drdmmondii Benth. 1. c. Cinereo-puberula vel pubescens ; foliis 

 ovalibus oblongis vel (praasentiru superioribus) linearibus obtusis inte- 

 gerrimis sessilibus vel basi angustata breviter petiolatis ; verticillastris 

 paucifloris ; calyce ovato-tubuloso hispido vix bilabiato, dentibus omni- 

 bus subulato-setaceis post anthesin conniventi-erectis sursumque plus 

 minus curvatis, inferioribus superiores dimidio superantibus corolla pi. 

 m. brevioribus. H. ciliata Nutt. PI. Gamb. p. 183. Wright's 1718, 

 cited by Torrey under H. plicata, belongs here. — Nebraska and 

 Texas to Arizona and Mexico. 



A well-marked section, for the two following species, may be 

 named : — 



§ 2. Stachyhedeoma. Flores subsessiles spicati, corolla fauce sub 

 labio inferiore biplicata. — Herbte erectae, foliis subsessilibus, summis 

 calyceque pilis longis hirsuto-ciliatis. 



H. graveolexs Chapman in herb. Caule sesquipedali e radice 

 perenni ? stepius simplici parce hirsuto in spicam virgatam transeunte ; 

 foliis ovatis rotundisve paucidentatis (semipollicaribus), floralibus 

 consimilibus gradatim minoribus cum bracteis oblongis flores subses- 

 siles haud aequantibus ; calycis bilabiati dentibus valde hispido-ciliatis, 

 labii superioris lati deltoideis brevibus, inferioris angustissime subula- 

 tis tubo oblongo campanulato atque corolla? tubo subrequilongis ; sta- 

 minibus fertilibus labium superius vix emarginatum corollas adasquanti- 

 bus, sterilibus brevibus subulatis. Calyx inaequaliter 12 - 13-nervius, 

 fauce pilis paucis hirsuta, corolla intus nuda. — Florida, near Apala- 

 chicola, Dr. Chapman. 



H. ciliata Benth. in DC. Caule ultrapedali e radice annua 

 retrorsum pubescente ; foliis oblongis obtusis subintegerrimis glabris 

 basi cum floralibus angustioribus bracteisque subulatis vel setaceis pilis 

 setisve longis albidis parce hispido-ciliatis ; spica brevi densa e verticil- 

 lastris 6 - 10-floris ; pedicellis brevissimis complanatis ; calyce fusifbr- 

 mi-subgibboso lo-nervio stricto basi hispido superne bilabiato, denti- 

 bus subulatis consimilibus ciliolatis post anthesin conniventibus, fauce 

 villoso-barbata ; corolla tubo vix exserto, labio superiore bilobo, fauce 

 sub staminibus 2 brevibus inclusis pilosa ; filamentis sterilibus nullis. 

 Keithia ciliata Benth. Lab. — Texas, Berlandier (ex Benth.), Drum- 

 mond. 



