Index 



Oenothera, description of, 42. 



bieuuis-Lamarckiana, 43, 46. 



heterantha, 41. 



ovata, variation in, 41; degree of, 

 42; habit of growth, 43; color 

 variation, 43; flowers, 43-44; re- 

 production, 45; sex variation, 

 45-46; disease forms, 46; species 

 in, 46; figures showing, opp. 48, 

 50, 

 Okamura, K., cited; 98. 

 Oltnianns, F., cited, 2. 

 Oogaster, 309. 

 Oregon, occurrence of Oenothera, 41 ; 



occurrence of Oxypolis, 168. 

 Orobanclie Cooperi, 361. 



niulticaulis, 361. 

 Oscillatoria, 378. 



saucta, 378. 

 Otocalyx chiapensis, 69. 



Eubiacearum, 68. 

 Oxypolis, 168. 



Fendleri, 168, 169. 



oceidentalis, 168, 169. 

 Pachyijhloeus, 282, 285 ; revision of 

 species. 287 ,' description, 294. 



carneus, 294. 



citrinus, description, 294; figure 

 showing, opp. 356. 

 Pacific Coast algae, 153, 377, 429. 

 Pacific Grove, California, 13, 386. 

 Pacific Ocean, 133. 

 Palafoxia latifolia, DC, 74. 

 Palermo, Italv, 79. 

 Palmella, 433^ 



conferta, 432. 



tul)erculosa, 433. 

 Palmer. E., 387. 



Palomar Mountain, California, 169. 

 Pauthoearpus, 158. 

 Parasitic Florideae, 1. 

 i'aratliesis lauceolata, 188. 



reflexa, 189. 

 Pasania dcnsiflora, 227. 

 Patagonia, South America, 491. 

 Pebble B(>ach, Monterey County, Cali- 

 fornia, 394. 

 Peck, C. H., cited, 223. 

 Peetinase, 425. 

 Pediastrum Boryanum, 35. 

 Pedilanthus campester, 56. 



tehuacanus, 55. 

 Pelozia, 59. 

 Pelvetia fastigiata, 386. 



f. gracilis, 386. 

 Pennsylvania, 276. 

 I'entachaeta frngilis, 170. 

 Pentstemon, 170. 



Bridgesii, ]69, 170. 

 heterophyllus, 169. 



central) thifolius, 170. 



heterophyllus, 169. 



Palmeri, 360. 



bicolor, 360. 

 Parishii, 170. 

 spectabilis, 170. 

 Peritylo inconipta, 503. 

 Persoon, cited, 275. 

 Perymenium chalarolepis, 75. 



I'urpusii, 74. 

 Petcrosicyos, 72. 

 Petroeelis, 391. 

 cruenta, 392. 

 franciscana, 391; figure showing, 



oj)p. 412. 

 Middcndorffii, 391. 

 Peyssonnelia, 398. 

 Peziza, 284. 



Philippine Islands, 131. 

 Phormidium, 378. 

 foveolarum, 467. 



hormoides, 467; figure showing, 

 opp. 484. 

 Phyllanthus adenodiscus, 185. 

 oaxacauus, 185. 

 Purpusii, 55. 

 Phytomorula, 35, 38, 



regularis, 35, 38; coenobium, 36- 

 38; relationships, 38; diagnosis, 

 38; figures showing, opp. 40; a 

 symmetrical protophyte related to 

 Coelastrum, 35. 

 Picacho, Oaxaca, Mexico, 53, 54, 56, 



73, 74, 178, 179. 

 Piersonia, 283, 285, 286; revision of 

 species, 287; description, 325, 

 345. 

 alveolata, description, 326; figure 



showing, opp. 352. 

 bispora, 281, 325; description, 328; 

 figure showing, opp. 352. 

 Pinaropliyllon fiavum, 71. 



Eubiacearum, 71. 

 Pine City, Mono Countv, California, 



358. 

 Pinus, 280. 

 muricata, 227. 

 radiata, 254. 

 Placoma violaeea, 456; figure show- 

 ing, opp. 480. 

 Plantae Mexicanae Purpusiauae, VI, 



51; VII, 177. 

 Plectascineae, 282. 

 Pleurocapsa, 433, 434. 

 amethystea, 434, 439. 



Schmidtii, 460. 

 conferta, 432. 



entophysaloides, 463 ; figures show- 

 ing, 0])p. 480 and 48(5. 

 fuliginosa, 464. 



gloeocapsoides, 465; figure showing, 

 opp. 482. 

 Plocaniophyllon llavum, 69. 

 Eubiacoarum, 69. 



[513] 



