32 



MICROSCOPICAL PREPARATIONS. 



D. 



226. TricMa ovata ^ 



227. Trichia pyriformis B ... 



228. Trichia varia B 



229. Trichohasis fahoB 



230. Trichohasis ruhigo-vera 



231. Trichohasis seyiecionis ... 



232. Trichohasis senecionis ... 



233. Trichohasis violarum B 



234. Trix)hragmium ulmarice B 



235. Triphragmium ulmoA'icB B 



236. Uncinula hicornis 



237. Uncinula polychaeta (U. States) . 



238. TJstilago maydis B 



239. Xenodochus carhonarius B 



Donor. 

 M. C. Cooke. 



T. C. White. 



G. E. Quick. 

 M. C. Cooke. 



4. CHAEACEiE. 



240. Chara medicagimda (Fossil) 



H. F. Hailes. 



5. Alg^. 



241. Arthrocladia villosa 



242. Bonnemaisonia asparagoides 



243. Callithamnion, tetraspores 



244. Callithamnion arhuscula B 



245. Callithamnion jioccosum B 



246. 'Callithamnion pedicellatum 



247. Callithamnion roseum B 



248. Ceramium (favellaa) 



249. Ceramium 



250. Ceramium acanthonotum B 



251. Chorda filum ... 



252. Cladostephus verticellatus 



253. Dasy a arhuscula S 



254. Dasya venusta ... 



255. Dasya venusta ... 



256. Delesseria 



257. Delesseria alata B 



258. Desmarestia viridis S ... 



259. Dictyota dichotoma 



260. Dumontia filiformis 



261. Ectocarpus Mertensii B 



262. Griffithsia harhata 



263. Griffithsia corallina 



264. Griffijthsia setacea, tetraspores 



265. Laurencia tenuissima (Spores) 



266. Padina pavonia 



267. 268. Plocamium, coccineum 



269. Plocamium coccineum B 



270. Polysiphonia ... 



271. Polysiphonia urceolata B 



272. Protococeiis nivalis B 



C. Adcock. 



H. A. Smith. 



C. Adcock. 

 H. A. Smith. 

 C. Adcock. 



H. A. Smith. 

 C. Adcock. 



H. A.'smith. 

 C. Adcock. 



H. A. Smith. 



C. Adcock. 



K A.'smith. 

 C. Adcock. 



H. A. Smith. 

 C. Adcock. 

 H. A. Smith. 

 B, W. Richardson. 



