896 INDEX. 
Page. 
_.... 100,822,881 | Periconia, catalogue. .....----------------- 
95,463 | Peridermium, catalogue 
136,461 | Perilla, catalogue ..-..--.---- 
Pecans in the Coast plain-- 822 frutescens .--...------ 
Pedaliacene ..----------- weeeee--- 183 | Perilla ocymoides...---- 
Pedicularis canadensis-... . 52 | Perisporiaceae..--.---.- 
catalogue ---..---------- Perisporiales .......--.------.----------- 
gladiata. .-.- 
in Tennessee Valley ---.--------------- 824 
Peat mosses, author’s study .- 290 
PGA ViING: co uesoseeeeeeesscebedeecememein Soe 571 
Pellaea atropurpurea .........------------ 73 
catalogue ....------------ ---------++-- 313 
Pellia, catalogue .--..---------------------- 287 
Pellitorysc csc qeseshied hein tenangagueseeese* 478 
Peltandra alba ..---.--- -- 425 
catalogue ----------- ---- 425 
sagittifolia.- - 66,248 
UNAUGLA 2222.20 25250 case ccceeesncese ne 425 
virginica.......----------------------- 17,125 
Peltigera-..- 264 
CbtalOBNe cess epeccsiaceeeree esses ses tie 280 
polydactyla.....--.------.------------- 266 
Peltigerceae ...2.2..ssecsesee eeeseeeesess 280, 284 
Pencil how6r ......-w0« ssectsesceseweee eee es 570 
Penicillaria spicata em en rt 95 
STC 0:5 oacneasoncaccsane ees Sates 826 
Pennisetum typhoideum..---.--..--.--.--- y 
Pennyroyal 
PASO: ox suet cersamcinwaeyses weeee eusee cede 
Pennywort 
Penthorum, catalogue 
Pentstemon, catalogue--..-.-----.----.--- 718 
HitButys' sasceoes enor ecurreses: 
laevigatus. 
digitalis __ 
multiflorus - 
PIUDESCONG: 5 accor doretmiwedncetieiedaneces 
Popper’, bird ess seis cccecocsesercstccs vecess 
bird’s-eye 
COBY CHING 02 ais siate ces Womctsinans oaieteeclacie 
Oi 6 ewig snags oe i puiesnctog sess eeeceentege 
large red. 
sweet... 
water ..-.-... 
Popperbush, sweet .. -....--ereneseesennees 652 
Pepper grasses scccewccnssccssesecwemsmean 522, 828 
European - 522 
Wild isco ssicssicos aackevesmdsjetericcicetvoveesy 521 
Pepperidge ....-.-.-.---. 
Peppermint - 
petccss csexeses GIL 651 
-- 56, 697, 829 
Pepperroot:..esne sse5:ceese> ceieedgekecccs 525 
PODDETss TOU 2 a22s3 sb Sessa seeecesssiceuece 247 
Peramium, catalogue... ---.---.---------- 457 
TCPCDS: 22222505 azsctecmaeenncecacens sae. 93 
Perdicium semiflosculare - ' 319 
Perennial ray grass -..-.-.-.--.---2-...--- 388 
Perichaena, catalogue. .----.....- aeemeey - 140 
Perisporium, catalogue 
Peronospora calotheca-.. 
Catalogue’ ..22cse22 cose soos caccesecoyy, 
seymourit 
Peronosporaceae 
Peronosporales - --..---- 
Persea ....-------- 
carolina 
COrolinensts ou. soe. 5 caisscaes cscs sonceees 
palustris _..-. # 
catalogue .-.-- 
palustris .---.- 
Persicaria, bristly -- 
dense-flowered ... 
opelousas --...---- 
Persimmon -...-.---- 
catalogue ~ 
sorediata..-..-. 
Pestalozzia, catalogue. 
Pestalozziella, catalogue - 
Petalostemon ..-.------------- eSetwldceiees 
COTNCUS c2ee2 etensiseeess soeessssessie =: 
COTYNLOOSUS! v2 saeecos secre sce sooede ues 
gracilis... 
alboviolacea 
catalogue 
phileboplontync.cos2s2c-screessseessae ees 
psammophila -- 
Pezizaceae _...__..--...-----.------+----- 155; 262 
155, 262 
Pezizales vsccceneusecsecsseacusgeescecees 
PC ZOU see se sescco cece 
Pezicula rhabarbarina. -. 
Phacelia -.-....------.- 
bipInnate cases. seseeepe ne cet asebewess! 
Drevistylisi csc cssse se eccescce cess 
bipinnatifida brevistylis. 
catalogue -....----- 
fimbriata. ..-..- 
parviflora ..-- 
purshii--.... 
QUSUIC wianarisc mezsenecsusriexmecetsce sano 
Phacidiaceae --....--..-----.--. 
Phacidiales .......- . 
Phacidium, catalogue - .--.-..-.2-- +2222... 
Phaeodon, catalogue ---..-----22 eee eee 
688 
scrwwewae, 1BO, 268 
160, 262 
