Botanical Excursion to the Mountains of North Carolina. 47 



Hum, Gray, which is doubtless the Helonias graminea of the 

 Botanical Magazine. We also made an excursion to the White 

 Top, in Virginia, twenty miles northwest from Jefferson ; a moun- 

 tain of the same character as the Roan, but on a smaller scale, 

 and with the pasturage of its summit more closely fed. We 

 were not rewarded, however, with any new plants, and the 

 cloudy weather obscured the prospect, which is said to be very 

 extensive. On our return, we found Cedronella cordata, Benth., 

 nearly out of flower, with runners often two or three feet in 

 length. Mr. Bentham has omitted to mention the agreeable bal- 

 samic odor of the genus, which in our plant is much less power- 

 ful than in C. triphylla. We saw plenty of Ciniicifuga Amer- 

 icana, but the flowers were still unexpanded. Our endeavors to 

 obtain the fruit of Cimicifuga cordifolia (common in this region,) 

 were likewise unsuccessful ; without which it is not always easy 

 to distinguish this species from G. racemosa. The leaflets of 

 the former are frequently very large, the terminal ones resem- 



^ 5. Calyx cBqualiter dentatus. Verticillastri dense corymhosi, terminales, paniculati, hrac- 

 teis laxis, interioribusbrevissimis. Ovaria calva. Folia brevia, remoiiuscula, sessilia. 



13. P. NUDUM (Nutl.) : glabrum pallide virens, dentibus calycis triangulari-lanceolatis 

 brevibus pilosis, bracteis exterioribus lanceolato-linearibus interioribus brevissimis subu- 

 latis, foliis ovato-oblongis integerrimis sessilibus, caule simplici etricto. 



^ 6. Calyx CBqualiter dentatus. Verticillastri {ampli) subglobosi, bracteis plurimis suffuUi, 

 solitarii terminales, aut smpius in axillas foliorum parium 2-3 swpremorum arete sessiles. 

 Ovaria barbata. Folia subpetiolata. 



14. P. MONTANUM (Michx.) : capitulis globosis, bracteis acutissimis villoso-ciliatis ex- 

 terioribus ovatis intimis linearibus, dentibus calycis brevibus acutis, foliis ovato-lanceola- 

 tis serratis aculis inferioribus basi rotundatis cauleque glabris. — P. montanum, Nutt. gen. 

 2. p. 33, et, sic opiiior, Michx. fl. 2. p. 8: igitur Monardella montana, Benth. Lab. p. 331. 



Hab. in altis montibus Carolina, Michaux. Ad jugura quod dicit " Catawba Ridge," 

 Carol. Sept., Nuitall. Ad radices montium Grandfather, Roan, etc., legimus, et olim in- 

 venit Curtis. Julio-Augusto floret. — Caulis 1-3-pedalis, simplex vel ramosus. Folia sub- 

 membranacea ; inferiora 2-3-poIlicaria, lanceolato-ovata, basi rotundata, petiolo brevi : 

 superiora raagis lanceolata, sensim acuminata, basi acuta subsessilia ; pagina superior, 

 rami, et ssepe bracteae, dum soli expositse, purpurascentes. Bractese acuminatissims ; 

 extimae Acres sequantes. Calyx tubulosus, pilis conspersus, denique subglabratus ; den- 

 tibus brevibus triangularibus acutis. Corolla cerina, intus maculis purpureis notata, rin- 

 gens ; labio inferiora profunde trilobato, lobe medio longiore ; superiore integro ! Stam- 

 ina longule exserta : antlieraB loculis parallelis. Styli lobi (ut in cseteris Pycnanthemis) 

 eaepe insequales. Ovaria apice villoso-barbata. 



Species inquirendcB. 



P. MONARDELLA, Michx. Verisimiliter est Monardae species ! (cf. adnot. supra.) Cer- 

 tissime Monarda est P. Monardella, Pursh ! (fide herb. Lamb, etjterb. Bart.) etiam Elliottii ! 



P. vERTiciLLATUM, Pers. (Brachystemum verticillatura, Michx. fl. 2. p. 6. t. 31) est 

 species mihi valde dubia. An recte cl. Benthamius ad P. lanceolatum attulit ? 



