VIII ILLUSTRATIONS. 
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Hic. 53, Distriputionol L. virgo. -soe sees oe. ee eae eee ae ee eee oe ee ee 487 
54, istribution-o Pe yigntium eu Den sees eee tenn eae ee eee ee enee 487 
DOacl . CONMOMTNOUES 0. a sk eRee Sa tien Sa oan cine ere ee 488 
DOs IIStUoMttOMHOL LICR MATT OI cme eee ee ae a 488 
aI SACRE aR Oars ES pri Deol r ete tiered WA rte ee RE eae 3 Saber e = 489 
585 Distribution-ofF:-cltuny geen ee eee ee ee eee 489 
59 Distribution ot PVovardiy. see en a Pee eee ne 489 
60s. Distripmiionrol LsaiMarliinienaee— eee =n = eee 489 
ols Distributiomolel. teneninan ee se ne ee eee 490 
62:-:P: sienodoidess & 12love eae ae oe oe See ee ee Ene 490 
63. Distaibutlomioiih stenodotdes ss a ee 491 
GASP €avicordese ioc oe eee SN Ls a ie a) aie Fe ee a So 491 
65. Distribution of Ps canicondes. =o tee sae 2 ee 491 
66) Distribution ot-P. stenodes* 2.52 2=2-. eee eoeee See 492 
G7 Distribution ot 2. condenses. 222s eee oes 2 Aas 499 
68. Distribution ofeP ong: = sso ee eee eee 493 
69> Distribntion of Ps polygonatiun. \25) a ate ee eee 494 
TAUB S Rees OUI OHH te arteries eset aes he SEL Rn Se os oe 494 
(eaDistbutionoteh; millemonima) .-saeaeeee ses 5 -  ee 495 
(2. Distribution Of Px piloswmiss= act stele eo Ie Be SAE A ee 495 
ete os DOLUUTENISE eo ies cosas chal ures seers eats ee hee ee 496 
(Ae Distriputlon Ole OOlLVICHS: ame = See ee eee per ee 496 
75 Distribution ol Pacis: Oke 2 oo ie eee ea ee ele een ee eee 497 
TIGER SSECURNSTONALING 2S ieee Se ek ace ot as oe oe eee 498 
77. Distribution of P. stevensianum....--25.c22.2.-..-.. 222-522 eee 498 
(8. Distribution iol Perigo... aks. eer een Oe tee ane 499 
792 Distrbution Of sP) Manse. se = era ae eee ee * 499 
80 Distrllbutlonvol PC prewnie = eye ese 2 1 ae es eee 49S 
Si. Distrilution of Px stolonweruniss s22522 a4 tad ee ee eee 500 
82) Distribution Of P< /TOndestenS 2-2 ee 2 ee ee 500 
S3oeDistribution.ot..P. piulchellunis 25 ae eae ee ees eee 501 
S4— Distribution: oi 2: biglandulones2=- sao oe eee 501 
85._Distribubloniol 2. vuguitonum «582 see eee eee eee 502 
86. Distribunlon ok Po schnitiziten 820 eee ee oe eee 502 
Bh Pe SChUy NEN acl oe aoe Aaa Rese eee ee Mee eee ee Se eee 503 
88. Distribubiomelie cha finert = 2 ees wee te eee ees ee eee 503 
So: Distribution of Ps pariiglume: so seen ae Rees = ee ee ee 504 
90: Distribution of Pirichoidess.. == ee er Ce a eee 505 
Ol Distribution ioh ie. tichanthiin. << see ees oe ee 506 
92; Distribution ot -Pparvijolium. -< 2) aa Se ee ee 507 
93. PP eyanescens cic Pe se SO Ce eee eee ae Sere eee ere 507 
94) "Distribution, of Pacyanescens. s,s se eee Seen eee 508 
Qo2 UP. pyrulaniUny Lise hoe esse ee cee ey eee eee ore es 508 
96. Distribution of Pi pyrulonuni. =... 2o5-ce | aoe = 2 ee 508 
$7. Distribution of P: haenkeanwm <2) ase 95a) ee ee eee 509 
Se Pe PH ene oe eee ree tee oe en eerie See acc 509 
99.) Distribution of Ps ineptiiii. so. sos eee er ee 509 
100: Distribution of Pe milleqnana:” 5.2) 20. see ees eee - 510 
10k: Distributioniol Pe gliutinosuint 9. 6 30 eee eee 510 
102" Distributionof Po nidger seater Jed eeeeee 511 
103.” Distribution of PY megision... 2.2222. 4 ceen sees eens = ee oe eee 511 
104, (Distribution ot P- welapense..<- == ee). =~ ea ee ee eee 513 
