80 
Cistacese. 
80. Raphanistrum. Raphanistrum. XV, 33. 
1. Ls lyrate. Pets white (rarely yellowish), veined with 
violet, rarely (v. flavum Sell. M.) sulphur yellow with 
darker veins. Raphanus Raphanistrum L.—Fields; every¬ 
where. 6. Lampsana Gartn. 250. 
81. Raphanus. Radish. XV, 33. 
1. Ls lyrate.—Cultivated in several varieties (radish). 5, 6 
t sativus L. 251. 
7. Cistacese. 
82. Cistus. Cistus. XIII, 10. 
1. FIs large, 40—45 mm in diara., white, with a yellow 
base. — Hills; T. (Locarno, Ascona). 5 salvifolius L. 252. 
83. Helianthemum. Rock-rose. XIII, 10. 
1. Ls altern., linear, almost acicular. FIs solitary. Fumana 
procumbens Spach.—Sunny, rocky places; Chur, Tess., 
Rhone valley, from lake Leman to Reuveville, lake of 
Thun, lake of Uri. 5, 6 . . Fumana Mill. 253. 
— Ls opp., oval, oblong or linear-oblong. FIs in racemes 
(sometimes few-fld) ...... 2 
2. Stipules 0. Type of H. oelcmdicum . . . 3 
— Stipules present . . .... 4 
3. Ls gray-tomentose underneath with stellate hairs.— 
Jura (Dole, Mont Tendre, Vaulion, Chasseron). 6 
canum Dun. 254. 
— Ls green underneath, with simple or fascicled hairs, 
more rarely (b. glabratum ) glabr. or with hairs only at 
the edge, on the middle nerve and petiole. H. alpestre 
Rchb.—Alp and subalp. 6, 7 . oelandicum Wahl. 255. 
4. Style almost straight, shorter than the ovary. Ann. pis. 
Sunny places; Branson in AYall. 4, 5 salicifolium Pers. 256. 
— Style curved in the shape of an S, 2—3 times as long 
as the ovary. Perenn. pis ..... 3 
5. FI. light or dark yellow, very rarely white (v. albiflorum 
Koch.). Stipules lanceolate. Ls oval or oblong, flat or 
slightly rolled up, gen. green on both sides (a. obscurant 
Pers.), more rarely white tomentose with stellate hairs 
underneath (b. tomentdsum). —Dry, sunny places ; every¬ 
where up to the Alp. where' the fls are larger (c. grandi- 
fiorum Dec. if the ls are of an uniform colour d.; Scop- 
olii Willk. if the ls are tomentose underneath), b. G. 
W. V. 6. vulgare Dec. 257. 
