KEY TO PLATE XXII 



Nfc . i\ LAmg^qrt ^ 



(Puhnonaria ojficinalis, L.) 

 z, Vertical section of short- 

 Styled flower, with funnel- 

 shaped corolla, and epipetal- 

 ous stanjens near the throat, 

 and 3 of the segments of 

 the corolla, small ovary, d, 

 Long-styled fdfrrn with long 

 style, and stjamens half-way 

 down the corolla. f, Flower- 

 ing stem, with'aliernate hairy 

 sessile leaver/and terminal 

 cyme with!) j gamosepahius 

 caiyx x and Vprsicoiorous co- 

 rollas, and flowers in diffe 

 stages, open ant* " 



{Myosciis sylvatica, Ho 

 ^<^ Vertical section of flower, 

 tubty of funnel- 

 r, shj<j>rt style and 

 epipetalous 

 included anthers. 6, Flower- 

 ing stem with sfcpsite oblong 

 iigulate hairy Ifcaves, dicho- 

 tornous inflorescence with 

 scoitoioid cymes, and flowers 

 in vVious /stages, with flat 

 corol la-limb and white throat 



(Digitalis, ^itrjittrea, L.) 

 InJjM'^sc^e a terminal 

 raceme, with flowers (bell- 

 shaped), in'jaxils of bracts, 

 drboping, the inside with 

 honey -guides or spots with 

 white ring ancKdark centres, 

 alsx) showing the 5-partite 

 calyx, atid ./ipenfed ovary or 

 capsule xppsed, with lofyg 

 style and bmd, stigma, after 

 corolla ^a'sj fallen, when the 

 ari 



No. 4. Marjoram 

 (Origwiwn vulgar e, L. ; 

 a, I'lower, enlarged, show 

 ing more or less bell-shaped 

 j gamosepalous caiyx, and the 

 2-lipped labiate corolla, with 

 exserted stamens -and style. 

 f>, Flowering stem, showing 

 square stem, decussate 

 I ;, fiiai^ed leayes op'po/site/aitef-- 

 nate pairs^ at righj angles, 

 and corymbose cyme, with 

 bracts and flowers in various 



a, Vertical section oflabiate 

 flower With cylindric' tube, 

 lateral lobes, and lower lip 

 cut in half, also 2 long and 

 2 short epipetalous' stamens 

 in the throat^ ; 0, Persistent 

 bell-shaped calyx enclosing ; 

 nutlets, with long persistent ' 

 style and bifid stigma. <:, 

 Flowering stem' % wfth square 

 stem, witrV iveflexed hairs/ 

 opposite, shortly stalked, 

 notche^ leave^ and /flowers 

 4n' x i ip^niflal ^cenMW^n 3^ 

 who^/ljs, showing f^jrn\, "of ' 

 cdifoll&j/and flbWdrs-in v^rrous 

 9es open/ 



section of flower, ; showing 

 helmet (ike upper lip, ajnd 

 spotted laterals art^l lower 

 lip, and fringe of hairs and 4 

 epipeialous stamens. -^, per- 

 sistent bell T^hataed \ calyx 

 with 5 tcetli, enclosing nut^ 

 lets, and long style and bifid 

 stigrnay :'c, flpwe^ring' stem, 

 w/th brac:tsVand Jflowers in 

 .whorls, show^n^ hairy galeate 

 Mpget'jip. and Ipwer lip serv- 

 rng\ais al lahdingrplace for 

 insect visitors^ vvith the spots 

 serving 



