391 



Gretaceae. 



b. Fls dioecious, solitary, axillary: ovule 

 becoming a bony sd within a fleshy en- 

 velope or cup. Taxaceae. 



c, Female fls in aments becoming dry 

 cones or berry-like: ovules naked at the 

 base of a scale. Coniferae. 



Class II, MONOCOTYLEDONS. 



Woody fibres of the stem scattered ir- 

 regularly. Usually with the parts of the 

 fls in threes and Ivs parallel-veined. Co- 

 tyledon simple. Mostly herbaceous. 



A. Ovary inferior: perianth conspicuous, 

 colored: perennials. 



Aquatic: fls diaecious. Hydrocharidaceae. 

 Terrestrial: fls perfect. 



a. Fls irregular. Orchidaceae. 



b. Fls regular: stamens 3. Iridaceae. 



c. Fls regular: stamens 6. Amaryllida- 

 ceae. 



B. Ovary superior or nearly so: perianth 

 regular or none. 



* Carpels united into a compound ovary: 

 perianth cor-like rarely partly herba- 

 ceous: seed albuminous. 



a. Fls not upon a spadix. 

 Terrestrial: stems from a bulb, corm or 

 rhizome: anthers 2-celled. Liliaceae. 

 Woody climber with tendrils: anthers 1- 

 celled. Smilaceae. 



Submerged aquatic, with linear grass- 

 like Ivs. Pontederiaceae. 



b. Fls crowded upon a spadix. fr fleshy 

 and coalescent, 2-celled. Araceae. 



* * Carpels distinct (or separable) or sol- 

 itary: aquatic or marsh herbs. 



a. Perianth 0: fr utricular or nut-like: 

 sds albuminous. 



Fls monaecious in heads or on a crowd- 

 ed spadix: Ivs linear. Typhaceae. 

 Small floating disk-like plants. Lemna- 

 ceae. 



b Perianth herbaceous, petaloid or o: 

 albumen o. 



Carpels few. Naiadaceae. 



Carpels numerous in a whorl or hd. Al- 

 ismaceae. 



* * * Perianth of 6 similar glumaceous 

 segments: capsule 3-valved: rushes or 

 sedge-like. Juncaceae. 



Perianth coriaceous in 2 dissimilar series: 

 fruit a berry or drupe. Palmae. 

 Fls in the axils of scales or glumes, spi- 

 cate, without evident perianth. 

 Stems solid; sheaths closed; scales sin- 

 gle; anthers basifixed. Cyperaceae. 

 Culms hollow, terete; sheaths split; 

 glumes in pairs; anthers versatile. Gram- 

 imae. 



CRYPTOGAMUS PLANTS. 



Fls without stamens or pistils, and not 

 producing sds with an envelope. 

 ACROGENS: Plants growing from the 

 apex, and mostly with distinct Ivs. 



VASCULAR ACROGE'NS plants with 

 both woody and vascular tissue. 



A. Spores only of one kind. 



Cylindiric jointed leafless plants with 

 toothed sheaths: fr in a terminal spike. 

 Bquisetaceae. 



Fronds circinate in vernation: sporangia 

 globose, coriaceous, in a spike or panicle. 

 Ophioglossaceae. 



Fronds circinate in vernation: fr on un- 

 der surface. Filices. 



B. pores of 2 kinds. 



392 



Fructification within the base of Ivs or in 

 their axils. Selaginelleae. 

 Spores contained within peduncled cap- 

 sules borne by the rhizomes. Marsilaceae. 

 Floating fronds small, pinnately branch- 

 ed: spores at the base. Salviniaceae. 

 CELLULAR ACROGENS plants with 

 cellular tissue only. Mosses. 



ALGAE. 



The following list of California Algae 

 is based chiefly on a list of species oc- 

 curring on the coast of San Diego 

 county, prepared by Daniel Cleveland, 

 supplemented by Mrs. Mary S. Snyder, 

 as published in the West American Sci- 

 entist, volume 10; and on a "List of Cali- 

 fornia marine algae, "with notes," by C. 

 L. Anderson, in Zoe 2:217-225. W=West 

 American Scientist. Z=Zoe. 



AGARDHSELLA. 

 A. COULTERI Harv. w 10:160. 



A G ARUM. 

 A. TUB2TSBI Post cc Hupr. Z 2:220. 



AHNFELDTIA. 



A. COETCIBTKA J. -Ag\ w 10:160. 

 A. GIG-ARTINOIDES Ag. Z 2:222. w 



10 '160 as A. concinna. 

 A. FUCATA Fr. w 10:160. Z 2:223. 



* A2.ARIA. 



A. ESCTTTjEKTA Grev. Z 2:220. 

 A. FISTUI.O3A Post & Rupr. Z 2:220. 

 A. MABGIITATA Post & Rupr. Z 2:220. 



AMHIBOA. 

 A. ASPERGII.I.UM J: E. Gray, w 10: 



160. Z 2:225. 

 A. CRETACEA w 10:161. 

 A. NODTTLOSA Kutz. wlO:161. 

 A. ORBIGNI&.2JA Harv. w 10:161. Z 



A/VERTEBRALIS Dene. Z 2:225. 



AXn>ERSOREX.X.A. 

 A. FARLOWH Schmitz. w 10:161. 



ANTITHAMNION. 



A. FLOCCOSUM var. Pacificum Harv. w 

 10:161. 



ARTHROCI.ADXA. 

 A. - ? w 10:161. 



ASFEROCOCCT7S. 



A. SIN1TOST7S Bory. Z 2:220. w 10:161 as 

 Colpomenia sinuosa Derb & Sol. 



BA7.TGIA. 



B. FT7SCO-PURPTJREA Syng. w 10:161. 

 B. VERMICTJI.ARIS Harv. Z 2:221. 



BOSTRYCHIA. 



B. CALAMISTRATA Mont. Z 2:225. 

 B. RIVULARIS Harv. Z 2:225. 

 B. TUTOMYI Harv. Z 2:225. 

 BBYOPSIS. 



B. FIiTTMOSA Lmx. w 10:161. Z 2:218. 



CALLITHAMNION. 



C. AMERICANTJM Harv. w 10:161. 

 C. AKBUSCTJI.A. 



Variety PACIFICUM Harv. Z 2:222. 

 C. DASYOIDES Ag. w 10:161. Z 2:222. 

 C. FI.OCCOSUM Ag. Z 2:222. 

 C. HETEBOMORFHTTM J. Ag. w 10:161. 



C. LEJOilSEA Farlow, w 10:161. Z 



o "22 



C."ilOTHII Lyng. Z 2:222. 

 C. SCOFULOR/UM w 10:161. 



C. CALIFOBNICA. Farlow. w 10:161. 



