644 PROCEEDINGS OF THE AMERICAN ACADEMY 



20. B. teretifolia. Fruticosa, subpedalis, rnmosissima, glabra 

 resinoso-glutinosa ; ramis rigidis brevibus fastigiato-corymbosis ; foliis 

 filiformibus sursum saspius crassioribus obtusis (semi-subpollicaribus) 

 creberrime punctatis primum pruinoso-caesiis mox vernicosis ; capitulis 

 subspicato-confertis ; involucro angustissimo, squamis pallidis ad apicem 

 parvum viridulum saspius glanduligeris, interioribus oblongo-linearibus, 

 extimis sensim ad bracteolas breves reductis ; corollas lobis brevissimis ; 

 pappo baud copioso. — Linosyris teretifolia, Durand & Hilgard, 1. c. 

 t. 7. California, on the mountains around Tejon Valley, Dr. Heermann ; 

 Arizona at Union Pass, Dr. E. Palmer (without flowers). Heads 5 

 or 6 lines long. 



+- +- . +- Involucri squama? nee acuminata?, nee apice viridulo 

 notatas, pauciuscula?, nempe in utraque seriei 3-4. 



++ Folia resinoso-punctata, angustissima : capitula paniculata. 



21. B. paniculata. Fruticosa? pruinoso-subcinerea vel glabra; 

 foliis ramealibus lineari-filiformibus (vix semipollicaribus), summis 

 brevissimis subulatis ramulisque resinoso-punctatis; capitulis laxiuscule 

 paniculatis ; involucri squamis oblongis obtusis tenuibus omnino palli- 

 dis minus carinatis, intimis achenia linearia vix superantibus ; corollas 

 limbo ad medium usque odobo ; appendicibus styli subulato-filiformibus 

 parte stigmatica duplo longioribus ; pappo molli. — Linosyris viscidi- 

 jiora var. paniculata Gray in Bot. Mex. Bound., p. 80. " California," 



Schott, probably in the southeastern part of the State : the station not 

 recorded, and the specimen incomplete. 



++ ++ Folia impunctata, angustiora uninervia, latiora trinervia : 

 capitula corymboso- nunc subthyrsoideo-congesta. 



22. B. graveolens. Fruticosa, 1 - 4-pedalis, primum pi. m. lanata, 

 tomento nunc copioso implexo derasibili nunc tenui evanescente ; ramis 

 virgatis ; foliis aut angustissime linearibus mox involutis aut latioribus 

 planis ; capitulis semipollicaribus ; involucri squamis oblongis vel lan- 

 ceolatis obtusiusculis vel obtusis ; corollas limbo breviter 54obo ; appen- 

 dicibus styli subulato-filiformibus parte stigmatica longioribus; pappo 

 satis molli. — B. dracunculoides & B. Missouriensis DC. Prodr. 5, p. 329. 

 Chrysocoma dracunculoides (non Lam.) & nauseosa Pursh. C. graveo- 

 lens & nauseosa Nutt. Gen. Chrysothamnus dracunculoides & speciosus 

 Nutt. Trans. Amer. Phil. Soc. Linosyris graveolens & albicaulis 

 Torr. & Gray, Fl. 2, p. 234. — Plains, etc., Western Arkansas to 

 Dakota, and west to California and Washington Territory. — Exhibits 



