762 
P 
phylla, Ball (Pl. XVI), 407 ; 
porrigens, 406; pubescens, 407 ; 
reclinata, 409 ; serrata, 410, var. 
minor, 410; sicula, 407; Tour- 
nefortii, 410; viscosa, 739, var. 
fruticescens, Ball, 406. 
Onopordon illyricum, 523 ; macra- 
canthum, 523; Sibthorpianum, 
523. 
Onychium japonicum. . . . . 
Opegrapha dialeuca, 214 ; subvul- 
gata, 226 ; undulata, Strn. sp. n., 
214. 
Ophioglossum lusitanicum, 737; 
pendulum, 34; rhizome of, 5. 
Ophrys apifera, 673, 740; bomby- 
liflora,673 ; lutea,673 ; Scolopax, 
673 ; Speculum, 673 ; tenthredi- 
nifera, 674. 
Opuntia vulgaris . t dB 
Orchidacee, paucity of, in Rodri- 
puezo ee 184 c0 eds 
Orchis latifolia, 672, var. Durandii, 
Ball, 672; longicruris, 671; 
mascula, 672 ; papilionacea, 671 ; 
tridentata, var. acuminata, 671. 
Origanum, 740; compactum, 610. 
Ornithogalum arabicum, 689, 740 ; 
comosum, var. atlanticum, 688 ; 
narbonense, 689; orthophyllum, 
688; sessiliflorum, 689; tenui- 
folium, 688; umbellatum, 688; 
unifolium, 689. 
Ornithopus compressus,426 ; ebrac- 
teatus, 426 ; isthmocarpus, 426. 
Orobanche barbata, 606; densi- 
flora, 604; fctida, 604, var. co- 
mosa, Ball, 604; Hookeriana, 
Ball, n. sp., 605 ; pruinosa, 605, 
var. speciosa, 605; reticulata, 
604; tetuanensis, 606 ; variegata, 
604. 
Orthotrichum cupulatum os 
Orthrosanthus, characters of .76, 
chimboracensis, 113, var. gla- 
dioloides, 113; gramineus, 113; 
laxus, 112; Muelleri, 112; mul- 
tiflorus, 112 ; polystachyus, 113 ; 
spicatus, 113. 
Osmunda javanica . 
regali... eae 
Osyris alba . 
lanceolata . n T 
Otomeria dilatata, 264; guineen- 
sis, 264; lanceolata, 264; ma- 
diensis, 264. 
on corniculata, 388; sericea, 
88. 
Oxyanthus breviflorus, 267; for- 
. 787 
. 655 
655 
INDEX. 
e 
27 
460 
10 
738 
112 
34 
mosus, 267 ; gracilis, 267 ; ma- 
crophyllus, 267; ? platystylis, 
267; querimbensis,267 ; rubriflo- 
rus,267; Smithii, 267; speciosus, 
267; ? suleatus, 267 ; tubiflorus, 
267 ; unilocularis, 267. 
Padina Payonia . . 
Peederiee, tribe of Rubiacese 
Pallenis spinosa . . e 
Palmella Brebissonii. . . . . 
Palmoglea chlamydospora, var. 
mimon | 00 0 2 ec 
macrococca 
Pancratium maritimum . . . . 
Pandanus heterocarpus, Balf. fil. 
sp. n., 11, 22; tenuifolius, Balf. 
fil. sp. n., 11, 22; utilis, 22. 
Panicum Crus-Galli, 709; repens 
Pannaria dichroa,220; nigro-cincta, 
225 ; pannosa, 225; rubiginosa, 
225. 
Page 
Papaver dubium, 311; hybridum, 
311; Rhoas, 312; rupifragum, 
var. atlanticum, Ball, 313 ; som- 
niferum, var. setigerum, Ball, 
312 ; tenue, 312. 
Paramatta, fungi from Pennant 
Hil 5 eo e aa 
Parietaria mauritanica, var. diffusa, 
666 ; officinalis, 665. 
Parmelia glabra, 218; latissima, 
224; perforata, 212, 218, 222; 
perlata, 215, 218, 222; persul- 
phurata, 219 ; revolutella, Nyl. 
sp. n., 222 ; subaurulenta, 228 ; 
tinctorum, 211, 215. 
Paronychia argentea, 640,var. mau- 
ritanica, 640, var. velutina, 641 ; 
capitata, 641, var. atlantica, Ball, 
641 ; cymosa,640 ; echinata,640 ; 
macrosepala, 641, var. queriodes, 
Ball, 642. 
Passerina arvensis, 653 ; canescens, 
654; hirsuta, 654; villosa, 654 ; 
virgata, 654, var. Broussonnetii, 
Ball, 654. 
Patersonia, characters of -17, 
dii, 152 ; glabrata, 151; glauca, 
150; graminea, 152 ; inæqualis, 
152; juncea, 151, var. elongata, 
151 ; lanata, 151, var. pannosa, 
151; limbata,151; longifolia,151; 
longiscapa, 151 ; macrantha, 151 ; 
Maxwellii, 151 ; occidentalis, 151, 
var. angustifolia, 151, var. erio- 
stephana, 151, var. latifolia, 151 ; 
pygmeea, 151; rudis, 151; seri- 
babianoides, 152; Drummon- ^ 
38 
150 
