NATURAL SCIENCES OP PHILADELPHIA. 461 



corolla duplo brevioribus, pubescentibusque et pedicellis ; calycis laciniis 

 ovatis acutis ; corollis oblongo-ovatis glabris ; filamentis inclusis ad basi 

 lanuginosis corolla triplo brevioribus ; stylus longis cylindricus, bacca rotun- 

 da, rubra. 



Hills, Hays County. Flowers in March. 



Fruit ripe in November, of a deep scarlet or red color ; trunk and branches 

 very smooth, brownish-red, the outer bark peeling off like Platanas. Wood 

 very brittle ; trunk 8 12 inches in diameter ; leaves evergreen, 1 2 inches 

 long ; petioles 1 inch long. 



Comarostaphylus (Arctostaphylus) glauca, s. nov. Subarborea, ramis 

 teretibus, junioribus subpubescentibus ; foliis oblongo-ovatis, obtusis, acute, 

 et minute serratis, petiolatis ; subtus candido-pulverulentis, supra glaucis et 

 glabris; floribus capitatis, racemosis, crebisque bracteatis, brevissime pedi- 

 cellatis ; calycibus que bracteis pubescentibus ; bracteis lato-ovatis, obtusis 

 vel subacutis ; corollis albis, ovatis, calyce parum excedentibus ; calycis 

 laciniis ovatis, acutis ; fructus ? 



Western Texas.' 



Small trees, 1520 feet high and 3 4 inches in diameter; leaves 2 4 

 inches long and 1J 2 inches broad, obtuse at both ends ; petioles 1 1J 

 inches long. 



Sapotacea. 



Bumelia arborea, s. nov. Inermis ; foliis obovatis, obtusis, ad basi 

 cuneatis, breviter petiolatis ; supra glabris, subtus glabris, vel parce pilosis, 

 pedicellis axillaribus, numerosis, hirsutis, petiolum aequantibus ; floribus mi- 

 nutis ; calycis birsutissimis sepalis, ovato, acutis, corolla parum brevioribus; 

 corolla 5-fidae ; drupa nigra, ellipsoidea. 



Southern Texas* 



Tree. 40 50 feet high and 1 2 feet in diameter ; leaves round, obtuse at 

 the apex, 1 2 inches long and nearly an inch in breadth at the widest part; 

 petioles 4 6 lines in length ; leaves deep green on both sides, smooth and 

 shining above, beneath a few white hairs on the mid rib and veins ; fruit an 

 inch long, not healthy, and rarely tasted by any one the second time. It is 

 called " Gum-elastic." Its wood is hard, close-grained, takes a fine polish, 

 and is sometimes used for small articles of furniture. Flowers in May ; fruit 

 ripe in October. 



SCROPHULARIACE^!. 



Penstemon panciflorus, s. n. Glanduloso-pubescens ; foliis oppositis 

 sessilibus, lineari-lanceolatis, margine integris, vel minute dentatis ; floribus 

 laxe paniculatis ; pedunculis inequalibus, erecto-patentibus ; calycis segmen- 

 ts, lineari-subulatis, birsutissimis ; corollse tubo elongato, superne constricto ; 

 filamento sterili glabro, apice dilatato ; antheris glabris. 



Past oak woods south of Fort Belknap. May. 



Stems, several from the same root, about a foot high, sparingly branched 

 near the summit ; 3 6 pairs of leaves on a stem, which are about an inch 

 and a half long and 2 4 lines wide; corolla tube 6 10 lines long, and mouth 

 constricted to scarce a line in width. 



Penstemon amplexicaule, s. n. Glaucus, erectus ; foliis caulinis, lato- 

 ovatis, vel cordatis, integris, acutis, late amplexicaulibus ; radicalibus, ob- 

 longo-ovatis, longe petiolatis ; panicula elongata breve interrupte ; cymis 

 breviter pedunculatis, congestis ; calycis segmentis ovatis, vel lanceolatis, 

 acutis, margine submembranaceis ; corolla? tubo parvo, superne parum dila- 

 tato j filamento sterili glabro ; antheris piloso-lanatis. 



About 60 miles N. E. of Camp Colorado. June. 



1861.] 



