124 



LUZULA— LYGODESMIA. 



Bunple, oblong-, obovate ; petioles and stip- 

 nJes short, naked. S. 



argcn"ieus, (y-w. Ju. 2^.) leaves digi- 

 tate ; leafets (5-7) lance-linear, acute, gla- 

 brous above, silveiy-silky underneath ; ca- 

 lyxes alternate, not appendaged ; banner 

 obtuse ; keel entire. S. 



na'ims, (b. %.) a native of California. 



polyphil'lus, [IX) very vigorous exotics, 

 with spikes of liowers from 1 f. to 18 i. in 

 length. 



latifo'lhcs, {11.) a native of California. 

 Has very long spikes of blue flowers. 



LUZU'LA. 6—1. (JunctE.) 



pilo'sa, (M. 11. ) leaves hairy; panicle 

 sub-cj^mose ; peduncles 1-flowered, reflex- 

 ed; leafets of the perianth acuminate, 

 shorter than the capsule ; radical leaves nu- 

 merou.s, hirsute. Woods. 6-12 i. 



mdarwcai-''pa, culm leafy; leaves sub- 

 lanceolate, smooth ; panicles capillai"y, loose ; 

 capsule black. Mountains. 



campes"tns, (M. 2^.) leaves haiiy; spikes 

 sessile and peduncled glume-Uke sepals 

 acuminate, longer than the obtuse capsule. 

 If. Mich. 



spica'ta, (Au.) leaves narrow, haiiy at the 

 throat ; spilie nodding, compound ; glume- 

 like sepals acuminate-awned, about as long 

 as the roundish capsule. 8 i. 



LYCH"NIS. 10—5. {CaryophyUoE.) [From 



luchrxis, a torch.] 



chalcedon"ica, (scarlet hchnis, r. J. 2|.) 

 flowers fascicled, level top, or convex. Ex. 



Jloscu'cuU, (ragged robin, 2^.) petals 

 torn ; capsules l-ceUed, roundish. Ex. 



apef'ala, (IJ..) calyx inflatjed ; corol 

 shorter than the calyx ; stem about 1-flow- 

 ered. Canada. 



alpi'na, (r. 11) glabrous; flowers in 

 dense umbelled heads ; petals 2-cleft ; styles 

 4. Labrador. Canada. 



visca'ria, (clammy lichuis, 11) stem gen- 

 iculate, viscous ; petals entire ; capsule 5- 

 oelled. Ex. 

 LY'CIUM. 4—1. {Polcmonid.) [From the 



country Lycia. ] 



carolin'^ia'num, (p. Ju. 1? .) unarmed ; 

 leaves clustered, cuneate, fleshy; flowers 

 4-cleft. 3-5 f. S. 



barba'rum, (mati-imony vine, J. r. y. '^ .) 

 stem angled ; branches erect ; leaves lance- 

 olate, tapering to both ends ; calyx mostly 

 3-cleft. Ex. 

 LYCOPER"DON. 21—6. (Fungi.) [From 



lukos, a wolf, and perdo, to explode, so named 



because it was supposed to be the excre- 

 ments of this animal.] 



hovi!i"ta, (common puff-ball,) at first white 

 and oboconic, b£>coming black and spheri- 

 cal ; outer coat downy, which peeling off, 

 leaves the leathery inner coat ; seeds black, 

 lighter than air, and appearing hke smoke. 

 In meadows. 

 LYCOPO'DIUM. 21—1. (FiJices.) [From 



lukos, a wolf, and pons, foot, so called from 



its supposed resemblance.] 



SjriJces pedunculate. 



compl ana' turn, (ground pine, g-y. Ju. 

 2^.) creeping, erectish; branches alternate, j 

 dichotomous; leaves bifarcous, connate,] 



'• spreading at the tips ; spikes in paii-s, ped- 

 uncled. Woods. 



clava'tiim, (club-moss, Ju.) stem creeping; 

 branches ascending ; leaves scattered, in- 

 curve-bristle-bearing, sen-ate ; spikes in 

 pairs or single, cylindrical, pedunculate ; 

 scales ovate-acuminate, dentate. Pine 

 woods. 



caroUn"ia'num, ( Ju. 11 .) stem creeping ; 

 leaves somewhat distichus, spreading, lan- 

 ceolate, very entire ; peduncle erect, soli 

 tary, elongated, 1-spiked; bracts sub-lan- 

 ceolate, entire. Sandy swamps. 



2. Spikes sessile ; leaves surrounding the 

 stem. 



dendroi'deum, (tree-weed, g. Ju. 11.) 

 erect; branches erect; leaves in 6 equal 

 rows; spikes numerous, sohtary, sessile 

 "\Voods. About a span high. 



riipes'^tre, (festoon-pine, Ju. 2X-) stem 

 creeping ; branches sub-divided, ascending ; 

 leaves scattered; imbricate, linear-lanceo- 

 late, ciliate, ending in hairs ; spikes solitary 

 sessile, terminal. Rocks and side hills. 

 3 Spikes sessile ; leaves distichus. 



albid"iilum, leaves ovate, acute, dentico 

 late, alternate, close-pressed ; spikes tenni 

 nal, long, 4-sided. 



apx/dum, (Ju. 2-f.) leaves ovate, acute, 

 denticulate, flat, superficial ones alternate, 

 acummate ; spikes terminal, sub-sohtary. 

 4. Capsules axillary. 



lucid" ulum, (moonfniit pine, M. y. 2^.) 

 leaves in 8 rows, linear-lanceolate, denticu- 

 late, acute, spreading, reflexed, shining ; 

 stem ascendmg, bifid. 



tnstach"ymum, (Ju. 24^.) stems erect; 

 branches alternate, dichotomous, sub-com- 

 pressed ; leaves lanceolate, acute, appres- 

 sed, pointing 4 ways ; peduncles solitary, 

 elongated, 3-spiked ; spikes terete ; scales 

 roundish, acuminate. S. 



LYCOP"SIS. 5—1. (Bornginem.) [From lukos, 



a wolf, and opsis, aspect, because it is a 



rough-looking plant.] 



arven"sis, (b. Ju. 2i.) leaves lanceolate, 

 repand-toothed ; racemes in pairs ; flowers 

 sessile ; whole plant hispid. 



virgin"ica, (w. J. 0.) small, hispid; un- 

 der leaves spatulate, upper ones linear-ob- 

 long, entire ; racemes solitary ; flowers on 

 peduncles. 



LYCO'PUS. 2—1. (Labiata:.) [From lukos, 



a wolf, and pous, foot, sometimes called 



wolf's-claw.] 



europe'us, (water horehound, w. Au. i^.) 

 smooth; stem acutely 4-comiered ; leaves 

 narTow-lanceolate, with large acute teeth, 

 lower ones somewhat pinnatifid ; segments 

 of the calyx acumuiate, terminating in 

 short spiires. 1-2 f. 



virgin"icus, (bugle-weed, w. J. li.) leaves 

 broad-lanceolate, seiTatc, tapering and en- 

 tu-e at the base ; calyx shoi ter than the 

 seed, spineless ; flowers in whorls. Wet 

 places. 



unifix>'rxis, (w. J. 2^.) small; root tuber- 

 ous ; stem simple ; leaves oval, obtu.se, ob- 

 tusely toothed ; axils 1 -flowered. 

 LYGODES"MIA. (See Pren.\n"thes.) 



