396 LYCOPUS, MENISPERMl M. 



21. LYCOPUS. 42. 39. 



europe'us (water horehound. w. Au. ), smooth ; stem acutely 4 cornered ; 

 leaves narrow lanceolate, with large acute teeth ; lower ones somewhat 

 pinnatifid ; segments of the calyx acuminate, terminating in short spines. 

 1 2f. S. 



51. LYSIMACHIA. 20. 34. 



stric"ta (loose strife. O. y. Ju. 4), raceme terminal, very long, lax ; leaves op- 

 posite, lanceolate, sessile ; petals lanceolate, spreading. 1 2 f. S. 

 cilta'ta (O. y. J. 4), sub-pubescent ; leaves opposite, long petioled, sub- 

 cordate oval ; petioles cUiate ; pedicels somewhat in pairs ; flowers nod- 

 ding. 2 1 f. S. 



quadrifo'lia ^4), branching; stem smooth ; leaves sessile, opposite, very long 

 linear ; peduncles in fours, sub-terminal, 1 flowered. 2 3r. S. 



131. MACROTYS. 26. 61. 



racemo'sa (bug-bane, black snake-root, cohosh. O. w. Ju. 4), leaves decom- 

 pound ; leafets oblong ovate, gash toothed ; racemes in wand like spikes ; 

 capsules ovate. Wooda. 39 f. S. 



1213. MAGNOLIA. 52. 75. 



Southern. 



graTidiJlo'ra (big laurel, magnolia. O. w. M. >), leaves evergreen, oval, 

 thick, leathery ; petals broad obovate, abruptly narrowed into a claw. 

 60 80 f. 



15-M3. MALVA. 37. 74. 



rotundifo'lia (low mallows. O. r. w. J. 4), leaves heart obicular, obsoletely 5 

 lobed ; peduncles bearing the fruit [declined ; stem prostrate. Probably 

 introduced. 



Exotic. 

 sylves"tn (mallows, r-b. J. <*. and 4), stem erect ; leaves about? lobed, acu- 



tish ; peduncles and petioles hairy. 



criaf'pa (curled mallows. Au. ), stem erect ; leaves angular, crisped ; flowers 

 axillary, glomerate. 



213. MARCHANTIA. 57. 3. 



polymor'pha (brook liverwort. O. g-y. Ju. 4), pistillate receptacles radiated ; 

 titaminate ones peduncled, peltate ; fronds crowded together, lobed, nerved, 

 and covered with small decussate veins. Pistillate peduncles very long . 

 nerves of the frond generally brown. On earth and stones in wet or damp 

 places. 



131. MARRUBIUM. 42. 39. 



vtdgn're (horehound. O. w. Ju. 4), leaves round ovate, toothed, rugose 

 veined ; calyx toothed, setaceous, uncinate. Introduced. .V 



142. MELAMPYRUM. 40. 35. 



eanerica'num (cow-wheat O. y. Ju. ), slender ; lower leaves linear, entire ; 

 floral ones lanceolate, toothed behind ; flowers axillary, distinct. Var. lati- 

 fdlium, has very broad leaves. Woods. S. 



1610. MELILOTUS. 32. 93. 



al"ba (white melilot clover, w. J. ), stem erect; leafets variable (oval, ovate, 

 obovate, and oblanceolate) -mucronately serrulate : banner longer* than the 

 wings ; racemes axillary, panicled ; the longest raceme 6 to 10 times as long 

 as the longest leafet at its base ; legumes oval. 3 to 6 f. Probably intro- 

 duced ; but now very common and growing wild. <S. 

 131. MELISSA. 42. 39. 



Exotic. 



ojficma'lis (balm. w. b. Ju. 4), flowers w horled half way round, sub-sessile ; 

 bracts oblong, pedicelled ; leaves ovate, acute, serrate. Naturalized. 



2013. MENISPERMUM. 11. 77. 



canaden"se (moonseed. O. y. Ju. 4), leaves peltate, cordate, round angular ; 

 racemes compound ; petals 8. S. 



* 'Suggested by H. H. E. 



