601 



Sclerographium rigidam, 315. 

 Sclerophyton, 403. 

 Sclerotium, nature of, 267. 



complanatum, 356. 



scutellatum, 356. 



Scolopendrium officinarum, 540. 

 Scorias, 276. 



Scouleria, 482. 

 Scrophularia, 47. 

 Scrophularineae, 49. 

 Scutula, 379, 405. 

 Scythian Lamb, 538. 

 Scytothalia, 228. 



Jacquinotii, 208. 



Secotium, 334, 349. 

 Seiridium, 329. 

 Seirosiphon, 148. 

 Selaginella, 11, 45. 



convoluta, 560. 



denticulata, 557. 



helvetica, 557. 



Martensi, 557. 



mutabilis, 562. 



Selliguea, 531. 



Sendtnera diclados, 455, 456. 



Woodsii, 455. 



Senftenbergia elegans, 521. 

 Sepedonium mycophilum, 298, 304, 



306. 

 Septoria, 282, 331. 

 Sigillaria, 562. 



Silk gardens, attacked by Fungi, 313. 

 Silkworms, ditto, 309. 

 Siphonese, 156. 

 Siphula, 397, 400. 

 Sistotrema, 361. 

 Sisymbrium Irio, 63. 

 Sitolobium, 537. 

 Smith on Diatomacese, 124. 



genera of ferns, 521. 



Solanaceae, 49. 

 Solieria chordalis, 179. 

 Solorina crocea, 412. 



saccata, 381, 412. 



Sowerby, antheridia in Caeomacei, o22. 



. ■ Myxogastres on cinders, 340. 



Sparassis, 348, 355. 



Spathulea, 290. 



Species, remarks upon, 29. 



39 



Spermatogonia, 331. 

 Spermatozoa of Skate, 24. 

 Spermoseira, 141. 

 Sphagnocetis communis, 459. 

 Sphagnei, 471. 

 Sphagnum, 7. 



■ latifolium, 466. 



Sphseria, 12. 



amblyospora, 281. 



Desmazierii, 245. 



herbarum, 283. 



iuquinans, 282. 



mutila, 282. 



parmentaria, 395. 



Posidonia;, 283. 



pulvis pyrius, 281. 



stercoraria, 279. 



Sphseriacei, 278. 

 Sphterise on insects, 280. 

 Sphjerobolus, 61, 346. 



ejection of sporangium. 346. 



Sphserocarpus terrestris, 435. 

 Sphserococcoideee, 193. 

 Sphaerococcus coronopifolius, 183. 

 Sphasromphale, 394. 

 Sphaeronemei, 330. 

 Sphserophoron coralloides, 397- 

 Sphseroplea annulina, 565. 

 Sphseropsis, 282. 



Sphseropteris, 544. 

 Sphserosoma, 286. 

 Sphserostephanos, 543. 

 Sphserotheca Castagnei, 78. 

 Sphaerozosma elegans, 17. 

 Sphajrozyga Berkeleiana, 141. 



Broomei, 141. 



Carmichaelii, 141 



spiralis, 141. 



Thwaitesii, 142. 



Sphinctrina, 401. 

 Spiders, palpi of, 39. 

 Spilocffia, 328. 



Spiridens Reinwardtii, 501. 

 Spirogyra arcta, 69, 92. 

 Spirotsenia, 119. 

 Splachnidium, 232. 

 Splachnum ampullaceum, 494. 



angustatum, 495. 



Gunnii, 495. 



