634 
of Growth of Ballia callitricha, by 
W. Archer, 211. 
On the Nature of the Corolla of Pri- 
mula, by Rev. G. Henslow, 195. 
On the occurrence of Conidial Fruc- 
tification in the Mucorini, illus- 
trated by Choanephora, by Dr. D. 
D. Cunningham, 409. 
On the origin of Floral ZEstivations, 
with Notes on the Structure of the 
Cruciferousflower, on that of Adoxa, 
and on the Corolla of Primula, by 
the Rev. G. Henslow, 177. 
On the Origin of the prevailing sys- 
tems of Phyllotaxis, by the Rev. 
G. Henslow, 37. 
On the Origin of the so-called Scor- 
pioid Cyme, by the Rev. G. Hens- 
low, 613. 
On the Self-fertilization of Plants, 
by the Rev. G. Henslow, 317. 
On the Symmetry of a Cruciferous 
flower, by Rev. G. Henslow, 191. 
Onoelea orientalis, 434. 
Onyehium auratum, 458, 596; ca- 
pense, 459; japonicum, 459, 596, 
var. intermedia, 459, var. (Kurz) 
458, 459, var. multisecta, 459 ; lu- 
cidum, 459; multisectum, 459,597. 
Opegraphia saxicola, 280. 
Ophioglossum Aitchisoni, 586; cir- 
cinatum, 583; cordifolium, 586, 
596; filiforme, 584; flexuosum, 
583, 584; japonicum, 585; laci- 
niatum, 587; pedatum, 583; pen- 
dulum, 586, 587; polyphyllum, 
586 ; reticulatum, 586, 596; scan- 
dens, 584; vulgatum, 586, var. 
. Aitehisoni, 586. 
Orchidaces, self-fertilization sp. of, 
378. 
Ornithogalum benguellense, 248 ; ce- 
pefolium, 248. 
Nonne. self-fertilization sp. of, 
Loge Claytoniana, 582, 596; 
crispa, 459 ; interrupta, 582, 583; 
japonica, 583; lanceolata, 579; 
Leschenaultiana, 583, 596; Lu- 
naria, 587; monticola, 582, 596; 
regalis, 583, 596; speciosa, 583, 
996; virginiana, 582; bebe 
Si DN. e 
INDEX. 
Palicourea (Aubl.), 169. 
Papaver, 178, 180 ; orientale, 180. 
Papaveraceæ, self-fertilization sp. of, 
349. 
Paradigma, history and generic cha- 
racter of, 30, 31; Galeottiana, 
31. 
Parasitic alga (Mycoidea parasitica), 
Dr. Cunningham on, 301. 
Parkeria pteridioides, 471. 
Passifloraces, self-fertilization sp. of, 
366. 
Patagonula, 28; history of, 27. 
americana, 28; bahiensis, 30 ; 
glabra, 29; Tweediana, 29. 
Patania Elwesii, 436. 
Pavetta (Linn.), 169. 
Pelargonium, growth of flower-stalk 
of, 143. 
Pellæa calomelanos, 461; geraniæ- 
folia, 597 ; gracilis, 460 ; nitidula, 
455, 460 ; nudiuscula, 455; Tam- 
burii, 460. 
Peranema aspidioides, 434 ; 
oides, 435, 599. 
Perigara globosa, 86 ; valida, 94. 
Pertusaria graphica, 275 ; incarnata, 
241. 
Petersia, 107; africana, 108; ipit 
of, 48. 
Peziza aurantia, 128; cinereonigra, 
404 ; rutilans, 128 ; scutellata, 404; 
vinoso-brunnea, 404. 
Phalloidei, of Brisbane, 405. 
Phegopteris (subgen.) 542; Dryo- 
pteris, 545 ; luxurians, 548 ; opaca, 
568; polypodioides, 544; Rober- 
tiana, 545; rugulosa, 546; stegno- 
gramme, 569; Totta, 567; uro- 
phylla, 547 ; vulgaris, 544. 
cyathe- 
Phillips, W., new species of Helvella, | 
423. 
Phlyctis, neo-zelandie, 281; ocel- 
lata, 281; sordida, 281. 
Phorolobus crispus, 459. 
Phycopeltis, 315. 
Phyllody of Primulaces, 286. 
Phyllotaxis, Airy’s condensation- 
theory of leaf-arrangement criti- 
cized, (footnote) 38; correlation 
between internodes and angular 
divergences, 40 ; di- and tristichous 
and pseudo-distichous arrangement, | 
43; miss cg zr Dee pri- | 
mary series, 41; law of angular 
distance, 38; of Lepidodendron 
(fossil), 40 ; opposite leaves fail to 
produce 4 and 4 arrangement, 42; 
origin of cycles, 39; origin of pre- 
vailing system of, Rev. G. Henslow 
on, 37; reduction from whorled 
leaves, (footnote) 44 ; relative ages, 
di- and monocotyledons, 44; re- 
sults of arrest of development, 44 ; 
scheme of ordinary phyllotaxis, 44 ; 
spiral arrangement deduced from 
opposite and decussate leaves, 37 ; 
theoretical conditions, 41. 
Phymatodes (subgen.), 557 ; 
bum, 564; polycarpa, 561. 
Pinguiculacee  self-fertilization sp. 
of, 377. 
Piptocephalis, fructification of, 420. 
Pistil, as adapted to self-fertilization, 
380. 
Placodium argillaceum, 282; illitum, 
282; lecanorinum, 282; Rhuderi, 
282. 
Plagiogyria adnata, 472; glauca, 472 ; 
pycnophylla, 473 ; scandens, 472; 
triquetra, 473. 
Planchonia, charac. and history of, 90. 
crenata, 91; elliptica, 93; lit- 
toralis, 94 ; nitida, ( Bl.) 93, (Miq.) 
88; sundiaca, 81, 92; tetra- 
ptera, 93; undulata, 92; valida, 
81, 94. 
Plants, self-fertilization of, by the 
Rev. G. Henslow, 317. 
cyrtolo- 
Pleoenemis (subgen.), 534; Clarkei, 
536 ; javanica, 535 ; Luzeana, 535. 
Pleopeltis (subgen.), 566 ; capitellata, 
566; dilatata, 566 ; ebenipes, 564 ; 
Griffithiana, 560 ; hemionitidea, 
562; heterocarpa, 561; himalay- - 
ensis, 566 ; incana, 596; irioides, 
561; Lehmanni, 566; leiorhizon, 
567; longissima, 565; malacodon, 
563, 564; normalis, 558; nuda, 
558 ; ovata, 560; oxyloba, 563; 
Parishii, 564 ; punctata, 561 ; rhyn- 
cophylla, 560; Stewartii, 563; ` 
superficialis, 557 ; tridactyla, 562. 
Plethostephia, 32; angiocarpa, 32. 
Peecilopteris costata, 580; flagel- 
lifera, 580; terminans, 581. 
. Polybotrya appendiculata, 571; i 
 termedia, "on mal 
