330 FIGWOP.T FAMILY. 



23. CHBLONE, TURTLEIIEAl) (to which the name, from the Greek, 

 refers), SNAKEHEAD, BALMONY. 11 



C. glabra, Linn. The common species, of wet places ; l°-2° hi.uh, 

 strict, with lanceolate or lance-oblong, appressed-serrate leaves on very 

 short petioles, and white or rose-tinged corolla 1' or more long ; bracts 

 not ciliate. 



C. obliqua, Linn. Looser, with spreading branches ; leaves broad- 

 lanceolate or oblong, deeply serrate ; bracts ciliolate ; corolla deep rose- 

 color. Va. to 111., and S. 



24. PENTSTEMON. (Greek: meaning 5 .<tfrt?iie».s; refers to the pre.s- 

 ence of the 5th stamen, which, however, has no anther.) Showy North 

 American and a few Mexican plants, chiefly Western ; two or three are 

 wild E. ; several are in cultivation. Flowers late spring and summer. % 



* Plant more or less pubescent or viscid-glandular, at least above {rarely 

 glabrous in the last) ; often glabrous below. 



■t- Corolla white, or only purplish-tinged. 



P. laevig^tus, Soland. Inflorescence pubescent, but plant (2°-4°) 

 glabrous below ; leaves nearly entire, ovate-lanceolate or somewhat 

 oblong, glossy, firm, the base clasping; corolla abruptly and broadly 

 inflated, the throat wide and open ; sterile filament with a thin beard 

 above. Rich soil, Tenn., W. and S. 



Var. Digitalis, Gray. Is generally taller (often 5°) with a larger and 

 purer white corolla which is more abruptly inflated. I'enn., W. 



-I- -1- Corolla pmrple, blue or yellow {rarely whitish in the first). 

 ++ Flowers glabrous within. 



P. Cob^a, Nutt. Plains from Kan., S.; l°-2° high, stout, with 

 ovate often denticulate thick leaves, a slightly clammy, few-flowered 

 panicle or raceme, pale purplish or whitish corolla about 2' long and 

 abruptly much inflated above the narrow ba.se, the border 2-lipped, but 

 the oblong lobes similar ; the sterile filament bearded. Cult. 

 ++ ++ Floicers bearded loithin. 



P. ovatus, Dougl. Ore.; an early blue-flowered species, puberulent or 

 pubescent, with ovate or lance-ovate serrate leaves, and open panicle of 

 small flowers. 



P. pub^scens, Soland. Somewhat clammy-pubescent, or smoothish 

 except the panicle, l°-3° high, variable ; stem leaves lanceolate ; flowers 

 nodding, blu.sh commonly tinged with some purplish or violet ; the 

 plainly 2-lipped corolla (1' long) with gradually enlarging tube concave 

 on the lower, convex on the upper side, a sort of palate almost closing the 

 mouth ; sterile filament yellow-bearded down one side. Diy soil. Com- 

 mon. (Lessons, Fig. 297.) 



P. confertus, Dougl. Sometimes glabrous throughout; l°-2°, with 

 oblong or lance-oblong or even linear, nearly or quite entire leaves ; 

 inflorescence spike-like, interrupted and naked ; corolla small, cream- 

 color or snl]ihur-color, or in 



Var. ccerOteo-purpOreus, Gray, blue-purple and violet. Rocky Moun- 

 tauis and \V . ^ ^ ^,^.^^^^ smooth throughout, often glaitcous. 

 -1- Leaves sharply serrate. 



P. campanulatus, Wilkl. Leaves lanceolate, acuminate, the ba.se 

 clasping; tlnwcrs in a raceme-like, one-sided panicle; corollaventrico.se 

 above, rcddisli-purple or rose-colored ; sterile filament bearded. Common 

 in gardens, ami varies greatly in cultivation. IMcxico. 



