. 79 



Hofmeisteria lapbatuioides' Rose, n. sp. Slirnbby, 3 feet high, glandular pubes- 

 cent: leaves opposite or alternate above, 6 or 8 lines long, on petioles eoniewhat 

 longer, triany;nlar, doubly creuate: flowers in small corymbose clusters, some- 

 times pedicels very short: involucre 4 lines long, of liueur-acuminate bracts in 

 about 3 series: flowers numerous: corolla white, 2^ to 3 lines long: style 

 deeply cleft, much exserted : i)appus of 8 to 10 scabrous setae, alternating with 

 as many palese.— Very common over the summit of Sau Pedro Martin Island. 

 February 13. 



Dr, Palmer says: "A compact plant with dense green leaves just coming 

 into bloom." This plant was collected by Dr. Palmer on the same island (No. 

 406) in 1887, but in vtsry i)o<)r condition. It is the Laphamia (Tj sp., Proc. 

 Amer. Acad. XXIV. 37. No. 148. 



Pelucha trifida Watson. Pioc. Amer. Acad. XXIV. 55. This plant was described 

 as a new genus by Dr. Watson last year. Dr. Palmer has now collected it in 

 great abundance. The stems are covered with a wiiite tomentum, forming a 

 strong contrast with the abundant golden- yellow flowers. It has a very strong 

 aroma asof cloves andciuuamon, and so powerful is this at times that it causes 

 persons to sneeze and cough. No. 150. 



Perityle Emoryi Torr. This is the same form collected by Dr. Palmer at Los An- 

 gelen Bay (No. 562), 1887. Only two plants found at the south end of the 

 island. No. 149. 



RAZA ISLAND PLANTS. 



Dr. Palmer spent one day (February 12, 1890) on this island, and col- 

 lected ei|,^bt species of Phanerogams with one lichen. The following is 

 from his notes : 



Isia Raza is an island 136 miles northwest from Guaymas, and from 45 to 50 miles 

 west from San Pedro Martin Island. It is three-fourths of a mile long (from east to 

 west) and half a mile wide; it rises about 100 feet above the water; being covered 

 with a deposit of guano, it has a whitish appearance. The island is exceedingly 

 rocky, except a few low places which seem to have been subjected to the action of 

 large volumes of water; these spots produce a few varieties of plants which are 

 usually found upon alkali soil (some of the same plants were found on the rocky sur- 

 faces also). Above these places were fouu<l three patches of Cactus. One plant of 

 Cereus Pringlci, 10 feet high, stood among loose rocks above high tide. There had 

 been no rain-fall on the island for more than a vear. 



Opuntia tunicata Lehni. Our plant seems the same as that of Parry and Palmer's 

 distribution ; fruit 6 to 10-jointed. A few small patches seen in exposed places 

 among rocks. No. 160. 



Opuntia echinocarpa Engelm. & Bigel. A few small patches among rocks. Not in 

 flower, and but few scattered fruits. No. 161. 



Sesuvium Portulacastrum L. A very connuon jdant in large patches near the 

 salt water. Dr. Palmer says this i)lant hiis Imen often mistaken for a low 

 grass by persona passing the island. In its exposed position and dense green 

 color on a barren island of almost total whiteness it would naturally command 

 notice by passing vessels. No. 153. 



Salicornia ambigua Michx, Only two small patches of this plant seen near the 

 beach. No. 152. 



'Dr. Palmer has since collected this species at Santa Rosalia, but a more glabrous 

 form with the lower leaves oval and with cordate base. Tlie plant is quite bushy, 

 2 to 2i feet high, with fleshy leaves, just coming into bloom March 1. 



