mPSACEM. 



171 



of Invol. broadly ovate and very obtuse. 

 Pales (very silky, DC.) obtuse, with a short 

 mucro. Cor. nearly regular, a. 6-8. Fields. 

 Calabria. 



3. ssrriaca. Outer Cal. with 4 awned, and 

 4 very short teeth. L. olilongo-lanceolate, 

 serrate. Pales with broad membranous base 

 and long awn. Fl. regular, pale blue. a. 6, 

 7. Corn. Nismes. 



4. alpina. Outer Cal. vnth 8, awned, nearly 

 equal teeth. L. pinnate. Lts. decm'ved, lan- 

 ceolate, unequally serrate. Anthers with green 

 stripe, p. 7- i'lovMtains. Alps. Apenn. of 

 Pistoja, 



5. centaurioides. Teeth of outer Cal. 

 4-8, sometimes obsolete. L. pinnatifid. Divi- 

 sions decurrent, oblong, quite entire. Inner 

 Pales acuminate. Fl. yellow, p. 6. Alps of 

 Provence. 



6. leucantha. Outer Cal. with a many- 

 toothed, membranous crowTi. L. pinnatipar- 

 tite. Divisions linear or oblong. Pales silky : 

 the inner acute, p. 7, 8. TJncult. adr. G. 

 It. s. Fr. 



378. KNAUTIA. 



1. liybrida. Inner Cal. with about 16 

 blunt teeth ; outer with many distinct cusps. 

 Lower L. pinnatifid, lyrate, or undivided, a. 

 6, 7. Waste. Mdt. 



2. sylvatica. Inner Cal. with about 8 

 awned teeth ; outer with many distinct callous 

 cusps. L. lanceolate or eHiptico-lanceolate, 

 usually entire, p. 7, 8. Woody hills. 



a. sylvatica, KocH. Upper part of Stem 

 covered with short hairs, without glands, 

 and long haii's intermixed, m. and s. 

 Europe. 



^. longifolia, Koch. Upper part of Stem 

 covered with short glandular hairs and 

 long hairs intermixed, e. Alps. 



3. arvensis. Inner Cal. with about 8 

 awned teeth ; outer with a few obscure blunt 

 teeth, p. 7, 8. 



;8. campestris, Bess. Cor. not radiant. 



y. rigidiuscula, Koch. Stem-L. pinnatifid, 

 smooth and shining ; the first root-L. and 

 upper stem-L. undivided. 



5. collina, Duby. L. all pinnate. Stem 

 nearly naked. Prov. 



6. integrifolia, Linn. L. undivided. Can- 

 tal. 



379. PTEROCEPHALUS. 



1. palsestinus. Silky. Outer Cal. with 

 a membi-aiious, cup-like crown ; inner with 

 8-10 feathers. Lower L. quite entire ; others 

 lyi-ato-pinnate. a. 4, 5. Stony hills. Luc. 

 and Cal. rare. 



/3. calahricus. All L. undivided. 



2. pluinosus. Pubescent. Crown of outer 

 Cal. obsolete ; of inner of about twelve long 

 feathers. Lower L. undivided, serrate ; middle 

 lyrate; upper pinnatifid. a. Florence. 



380. SCABIOSA. 



A. CoroUa 5-cleft. 



i. Furrows of outer Calyx not continued 



to the base. 



a. Setffi of inner Calyx pectinato-ciKate. 

 Sp.l. 



b. Setae not ciEate. 



* Stem shrubby at base. Sp. 2-5. 

 ** Root annual or biennial. Sp. 6-11. 



ii. Outer Calyx fun-owed to base. 



a. Crown inflexed. Sp. 12-14. 



b. Crown spreading, undivided. 



* Stem-L. pinnatifid. Sp. 15-23. 

 ** Stem-L. undi\-ided. Sp. 24. 



c. Crown 4-lobed. Sp. 25. 



B. Corolla 4-cleft. L. undivided. Sp. 26, 27. 



A. Corolla ^-cleft. 



i. Pits of Calyx yiot extending to the base. 



a. Setm of inner Calyx pectinato-ciliate. 



1. multiseta. Lower L. obovate or lyrate ; 

 upper pinnatifid. Margin entire. Cor. radi- 

 ate, a. 5-7. Grassy. Istria. 



b. Setae of inner Calyx not ciliate. 

 * Stem shrubby at base. 



2. cretica. L. lanceolate, hoary, quite en- 

 tii'c. Crowii obliquely truncate. Inner Cal. 

 sessile, included. Fl. radiant, w. 5-7. Calc. 

 rocks. Cal. Sic. 



3. graminifoHa. L. linear, sUky, quite 

 entire. Inner Cal. stalked. Setae 5, equal to 

 crown. Fl. radiant, p. ■w. 7- 8. Rocky. Alps. 

 Mountains of Carrara. 



4. liinoniifolia. Stems of the year nearly 

 naked. L. obovato-spatulate, quite entire, to- 

 mentose beneath. Fl. neaiiy similar. Pits of 

 Cal. small. Crowni denticulate. Setse of inner 

 Cal. very exsert. w. 6, 7. Calc. rocks. Monte 

 Cofani near Trapani. 



