478 



TUFTS COLLEGE; STUDIES, VOL. II, No. 3 



armatum, 165. 



v. minus, 165. 

 bifurcatum, 165. 

 enorme, 165. 

 gigas, 165. 

 gracile, 164. 



v. tenue, 164. 

 minimum, 163. 

 muticum, 163. 



f. majus, 163. 



f. punctulatuui, 163. 

 pachyderruum, 164. 



f. leptodermuui, 165. 



f. minus, 165. 

 puuctulatuui, 163. 



f. rectangulare, 163. 

 quadratuni, 164. 

 quadricuspidatum, 164. 



f. inaequale 164. 

 regulare, 165. 



v. longispinum, 165. 

 reticulatum, 163. 

 tetragonum, 163. 

 trigonum, 162. 



v. punctatum, 162. 

 Tetranema. 



perciirsuni, 197. 

 Tetraspora, 138, 167. 

 bul lo set, 139. 



z r . cylindracea, 139. 

 cylindrica, 138. 



v. extensa, 139. 

 extcnsa, 139. 

 gelatiuosa, 139. 



f. uuiformis, 140. 

 lubrica, 139. 



v. lac mi os a, 139. 

 inacrospora-, 140. 

 Tetrasporaceae, 136., 

 Thamniastruin, 166. 



cruciatum, 166. 

 Thuyoideae, 410. 

 Trentepohlia, 315, 320. 

 abietina, 317. 

 arborum, 318. 

 aurea, 316, 317, 318. 



v. Pittierii, 317. 



v. poly car pa, 317. 



v. subsirnplex, 317. 

 effusa, 318. 

 lolitlius, 319. 

 lagenifera. 318. 

 odorata, 319. 



v. betulina, 320 



v. umbrina, 319. 

 ntficrii, 317. 

 polycarpa. 317. 



rigidula, 320. 



setifera, 318. 



Tnckermanni, 317. 



it nibrina, 319. 

 v. quercina, 319. 



iincinata, 316. 



villosa, 317. 



v. brachymeris, 317. 



Wainioi, 318. 

 Trentepohliaceae, 315. 

 Triboneina, 96. 



bombycinum, 96. 

 f. tenue, 96. 



minus, 97. 



utriculosum, 97. 

 Trichosolen, 



anfillant in , 403. 

 Trochiscia, 144. 



aciculifera, 145. 



arguta, 146. 



aspera, 145. 



granulata, 145. 



hirta, 145. 



obtusa, 146. 



Reinschii, 145. 



recticularis, 145. 



sporoides, 145. 

 Turnerella. 



Pennyi, 290. 

 Tubuligerae, 422. 

 Udotea, 394, 396, 430, 431. 



argeutea, 396. 



conglutinata, 395. 



cyathiforniis, 395. 



flabellata, 396. 



Flabellum, 394, 395. 



luteo-fusca, 397. 



minima, 394, 432. 



spinulosa, 395. 



tomentosa, 394. 

 Udotoideae. 386. 

 Ulothrix. 181, 222, 301, 309. 



aequalis, 184. 



caldaria, 183. 



collabens, 369. 



coitsociafa, 186. 



flacca, 185. 



flacdda, 188, 191. 

 v. genitina, 188. 



implexa, 185. 



isogona, 368. 



laetevirens, 186. 



moniliformis. 184. 



oscillarina, 184. 



rivnlai'is. 19 r. 



scutata, 432. 



subflaccida, 186. 



