Index 



plobosum f. aiiine, 342, fig. opp. SHO. 

 hecatonematoides, IU3, fig. opp. S.l'J. 

 minutissimiun, ;{3(), fig. opp. 3;')2. 

 obscurum, IU(), fig. ojip. 348. 

 phyllophilum, 344-345, 346, fig. opp. 



■MS, -AJH. 

 primariiun, 334-33.1, fig. opp. 3;";2. 

 setifenim, 34ii-34(i, fig. opp. 348. 

 sitociosnni, 357, 3()3. 

 straiigulans, 346, 379. 

 vulgaio, 379, 380. 

 Mytilus californieus, host for Gomon- 



tia cauflata, 300. 

 Neetria cinnabaiina (canker fungus), 



471. 

 Nomalion AndtM-sonii, 392. 

 Nereocystie Luotkcana, host for 

 species of Myrionema, 336, 337, 

 340, 343; for Coinpsonema, 353, 

 3.55, 356, 357, 358, 3.59, 361, 362, 

 366; for Hecatonema, 377, 379; 

 for Streblonema, 389; for Ecto- 

 carpus, 410. 

 New Species of Compsonema, 353- 



376. 

 New Species of Hecatonema, 377-384. 

 New Species of Myrionema, 334-352. 

 New Species of Pylaiella and Streb- 

 lonema, 38.')— 402. 

 Nicotiaiia. abnormalities in species 



liybridization of, 84. 

 Xitophylliim, 430, 432. 

 Notes on the Califomian Species of 

 Trillium L. 



I. A Report of the General Results 



of Field and Garden Studies, 

 1911-1916, 1-24. 



II. Nature and Occurrence of Un- 



developed Flowers, 25-38. 



III. Seasonal Changes in Trillium 

 Species with Special Reference 

 to the Reproductive Tissues, 

 39-68. 



TV. Teratological Variations of 

 Trillium Sessile var. Gigan- 

 teum, H. & A., 69-1 00. 

 Notes on Pacific Coast Algae. 



II. On the Califomian "Delesseria 

 Quercifolia," 427 -43(). 

 Occurrence of Rubber in Certain 

 West American Shrubs, 265-278. 

 Ocotea pyramidata, 320. 

 Oenothera gigas, 7. 

 Olneya tesota, 278. 

 Oreodoxa regia (royal palm), host 



for .Schizojdiyllum, 465. 

 Oiideiiiansiolla, 4()3. 

 Pachystelma Asclepiadacearum, 330. 



cordatum, 330. 

 Panus, 403. 



Paris quadrifolia, 40, .54, 55. 

 Partheiiiuni argentatuni. See Guayule. 



Peziza, sporophore of, 459. 

 Plivcocelis foecunda, 336. 

 Phycodiys, 429, 430, 432. 



quercifolia, 433, fig. opp. 436. 

 Setchellii, 433, figs. opp. 436. 

 siimosa, 430, 432. 

 Phycological Contributions. I, 279- 



324. II-VI, 333^20. 

 Phvcoseris lapathifolia, resemblance 

 " to Ulva angusta, 283. 

 Liuza, 283. 

 lobata, 284. 

 Phyllospadix, host for Myrionema 



l)alticun), 341. 

 Picradenia Lemmoni, 277. 

 Pinus ponderosa (yellow pine), host 



for Schizophyllum, 465. 

 Plantae Mexicanae Purpusianae. X, 



325-331. 

 Pleurophycus Gardneri, host for 



Pyla'iella tenella, 385. 

 Plum, host for Schizophyllum, ex- 

 periments ■wnth, 469. 

 Polyponis, 471. 

 Polystenima rupestre, 330. 



viridiflori, 330. 

 Polystictus, 471. 



versicolor, 471. 

 Porphyra, 289. 



Naiadum, host for Internoretia, 

 294, 295, and for Streblonema, 

 387. 

 Poverty-weed. See Iva axillaris. 

 Prasiola, resemblance to Monostroma 

 areolatum, 282; eight Pacific 

 Coast species of, 287. • 

 borealis, 287, 291. 

 calophylla, 287. 

 crispa, 287. 

 dellcata, 287, 291-292, figs. opp. 



306, 310, 312. 

 fluviatilis, 287, 290. 

 Gardneri, 287. 



meridionalis, 287, 291, fig. opp. 312. 

 nierisinopedioides, 288. 

 mexicana, 287-290, figs. opp. 304. 

 nevadensls, 287, 290, figs. opp. 304. 

 Preliminary List of the XJredinales 



of California, 101-157. 

 Primula sinensis, 7. 

 Prosopis juliflora, 278. 



jiubescens, 278. 

 Pruning, possible effect of on rubber 



content, 246. 

 Prunus cerasus (cherry), host for 

 Schizopliylhim, 465, 470. 

 communis (almond), 465. 

 persica (peach), 465, fig. opp. 492. 

 Pseudodictyon, 294. 

 Pseud opringsh elm ia, 295. 

 apiculata, 2it7, figs. opp. 306. 

 confluen.s, 297. 



[504] 



