98 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 26 



7. Plants purplish olive to purplish red; 7-20 cm. tall 8 



7. Plants bright to dull red, large, coarse, to 20-30 cm. tall 



C. ruprechtiana 



8. Blade margins variously ruffled and crisped; tetrasporangial 

 sori lunate to elliptical, just within margins of upper blades 



or in marginal ruffles C. lobulifera 6 



8. Blade margins usually not ruffled or crisped with lobes, but 

 sometimes so; tetrasporangia usually linear along margin of 

 upper segments, sometimes in proliferous bladelets as well.... 

 C. violacea 



Cryptopleura corallinara (Nott) Gardner 



PI. 49, fig. 1 



Gardner 1927, p. 240; Dawson 1949, p. 223; Dawson 1957a, p. 8; Dawson, 



Neushul & Wildman 1960a, p. 26; Nitophyllum corallinarum Nott 1900, p. 24, 



pi. 3, fig. 10. 



Thalli epiphytic, usually on articulated corallines, but on various 

 other algae, small, both prostrate and erect (or at least free) ; prostrate 

 thallus creeping, membranous, with microscopic veins, attached by 

 rhizoids, the margins entire, lobed and branching, the branches becom- 

 ing erect; erect parts much like the prostrate ones, flat, membranous, 

 ovate-spatulate to elliptical, to 7 mm. tall, (rarely to 15 mm), 3 mm. 

 broad, with microscopic veins, subdichotomously lobed or divided, the 

 margins entire; tetrasporangia in sori of varying size and shape, but 

 usually occuring as a large solitary elliptical or orbicular sorus occupy- 

 ing most of the ends of free segments; spermatangia in solitary, elliptical 

 sori occupying all but margins of short free segments. 



Type: A collection by Mrs. E. Snyder in Herb. Univ. California, 

 Berkeley. 



Type locality: San Diego [La Jolla] California. 



Mexican distribution: Pacific Baja Calif. — D. 4149 (Hubbs), 

 8147, 8555, 8327, 1926 (Hubbs) Isla Guadalupe; D. 1296, Punta Baja; 

 D. 10552 Isla Cedros; D. 1457, Punta Santa Rosalia; D. 20280, 21278 

 (Neushul) Islas San Benito; D. 10033, 11 mi. w. of Punta Malarrimo; 

 D. 10389 (male on Codium), D. 10363, 10399, Punta Eugenio; D. 

 20157 (Neushul) Punta Abreojos; D. 20354 (Neushul) Punta San 

 Hipolito; D. 20245 (Neushul) Punta Hughes, Isla Magdalena; D. 16157 

 (Limbaugh) Rocas Alijos. 



Cryptopleura imbricata sp. nov. 



PL 45, fig. 4; PI. 48, fig. 1 



Thallus saxicolus, ubique admodum prostratus, maculam tegitiformen 5 cm. 



vel plus extensam formans; thallus constans e 2-3 laminis superimpositis, brevi- 



lobatis, membranaceis, compositis, venas praebentibus, segmenta 4-6 mm. lat. 



habentibus; laminae per paxillos rhizoideos multos ad extremitatem discoideos 



"Cryptopleura membranacea Yamada 1935a, p. 28, is closely related here, 

 and it is not possible to determine from the original description how it differs. 



