4 OP ARTS AND SCIENCES. 41 



Abutilon aurantiacdm, Watson. San Pedro Martin Island. 

 (401.) 



Abutilon scabrum. Erect, 3 feet high, scabrous throughout 

 with ver}' fine stellate pubescence, scarcely at all canescent : leaves 

 thin, cordate to cordate-lanceolate, acuminate, rather coarsely and 

 unequally toothed, 3 inches long or less, on slender petioles : flowers 

 bright orange, an inch broad, axillary, solitary, on slender peduncles 

 exceeding the petioles and jointed near the top ; calyx as long as the 

 petals, the ovate acute lobes apparently cordate, enlarged in fruit : 

 carpels 8, shortly acuminate, very finely pubescent, 5 lines long, — 

 Near A. Jacquini and A. Berlandieri, which are softly pubescent and 

 not at all scabrous. Among- bushes in ravines and by garden fences 

 near Guaymas. (97, 662.) 



Sph/Eralcea ambigua, Gray. In mountain canons near Los An- 

 geles Bay (537), and a small-flowered form from S. Pedro Martin 

 Island (405). Also what is probably a form of this species from 

 garden fences at Guaymas. (90.) 



Sph^ralcea axillaris. Stellate-pubescent ; stems long and 

 slender : leaves ovate to lanceolate, acutish, subcuneate at base, finely 

 creiiate, 2^ inches long or less, the petioles half as long : flowers 

 yellowish, an inch broad, in short axillary solitary or clustered ra- 

 cemes or panicles ; calyx 3 lines long, the lobes acuminate : carpels 

 about 15, 1-seeded, 1^ lines long, obtuse, the base very strongly 

 reticulated, the broader empty cell thin and scarious. — Muleje ; com- 

 mon in shady places. (17.) 



Sph.eralcea (?), sp. Imperfect specimens from S. Pedro Martin 

 Island. (404.) 



KosTELETZKYA CouLTERi, Gray ? A rather stout branching plant, 

 3 feet high, with deeply 5-7-lobed leaves, and " white " flowers drying 

 to greenish yellow. Coulter's original specimens are much reduced, 

 with only the upper leaves deeply lobed, the flowers apparently yel- 

 low, and the anthers few. The present plant is probably the fully 

 developed form. In waste places about Guaymas. (236 ) 



Hibiscus denudatus, Benth. Los Angeles Bay. (523.) 



Hibiscus Coulteri, Gray. River-bed, Guaymas. (668, 669.) 



GossYPiUM HERBACEUiM, Linn. In garden fences at Guaymas ; 

 the plants 8 feet high and said to be forty years old. (HO.) 



GossYPiuM DAVID30NI, Kell. A loose shrub 3 to 5 feet high, the 

 larger leaves 3-lobed ; bractlets ample, deeply laciniate, persistent 

 about the ovate capsule, which is half an inch long and 3- or rarely 4- 

 celled ; seeds 6 or 8 in each cell, in two rows, not at all lanate or the 



