v~irffip:c ■■'T^ 



133 



Leptosyne dissecta Gray. A compact Imsby plant 1 to 2 feet high: leaves more 



(li,s.s(;ctetl tliati in the type. (July siicii in one canon. No. 877. 

 Perityle Emoryi Toir. form. About 2 feet high : leaves very mnch diKsiH'ted, rather 



thick; heads somewhat larger than iu type: styh',-brauche8 with acute tips. 



Common along the beach and in the canons. No. SCO. 

 This form was ccdlected on the island by Dr. Palmer in 1890^ and niado the 



subject of a short note iu I3ot. Cal. i. 397, by Dr. Gray. This was also obtained 



by him last year at La Paz, and by Mr. Bran<leg(ie at the same place and time. 

 Porophyllum craasifolium Watson. Proc. Amer. Acad. xxiv. 57. A very common 



jdaiit along the l»ea(*h, in the canonH, and on tlie nionntain side. No. 879. 



It was first collected on this island. It was distributed as "P. trhh'iitatum 



lienth." and is in Palmer's co]h'<'tion of 1870 (No. 9). 

 Porophyllum gracile lienth. Very common on tlie beach. No. 834. 



It is called ''Yerba del Venado" an<l is mncli used as a tea. This ]»lant was 



collected in 1870 (No. 16). 

 Phacelia scariosa lirandegee. Proc. Cal. Acad. ser. 2. ii. 185. Common on the 



b«^ach. No. KV2. 

 Bourreria Sonorae Watson. Proc. Amer. Acad. xxiv. 02. A shrub about 6 feet 



high. In canons. No. 822. 

 Krynitzkia racemosa Greene. In canons, growing on gravelly soil. No. 846. 

 Heliotropinm Curassavicuni L. Very common. No. 809. 

 Physalis crassifolia licntii. Probably tliis species, but only a single poor specimen 



was found. No. 871. 

 Datura alba Nees. Established in all parts of the island except in the higher parts 



of tlie mountains. No. 872. 

 This seems to he the same as Palmer's Chihualuia plant, referred doubtfully 



to, this species. 

 Nicotiana trigonophylla Dunal. Only a few plants seen in canons. No. 873. 

 Calophaiics Califoriiica Rose. Contr. Nat. Herb. i. 85. A branching shrub 2 feet 



liioh: corolla })urple, 1| inches long. Common in canons. No. 829. 

 This plant is not so tall, and the calyx and corolla are not so largo as in tlie 



type, but otherwise they seem to agree. This species was also collected by Dr. 



Palmer on this island in 1870 (No. 8). The specimens undetermined in Gray 



Herbarium. 

 Salvia platycheilia Gray. About 3 feet high. Collected iu a cafiou. No. 878. 



This was uuule the type of a new species iu Dr. Palmer's collection of 1870 



(No. 7); not since collected until now. 

 Boerhaavia Wrightii Gray. In very poor condition, but probably this species. 



No. 845, 

 Atriplex Barclayana Dietr. Connuon plant. No. 874. 

 Stignosperma halimifolia Benth. About 4 feet high. Only a few plants seen. 



No. 870. 

 Phoradendron sp. No. 882. 

 Argithamnia Brandegei Millsp. Proc. Cal. Acad. ser. 2. ii. 220. It dilfors from 



the type iu having 10 stamens. Nii. 839. 

 Croton Magdalenae Millsp. Proc. Cal. Acad. ser. 2. ii. 220. No. 821. 

 Buphorbia polycarpa Henth, var. vkstita Watson. Very common. No. 835. 

 Euphorbia blepharostipula Millsp. Contr. Nat. Herb. i. 77. Very common on the 



island. No. 825. 

 Euphorbia Carmenensis Eose, n. sp. A low, compact plant, woody at base, a 



span high, with many slender interlacing branches, glabrous throughout: leaves 



opposite, small, 1 to 2 lines long: involucre very small, i line long, axillary, 



subsessile: glands 5, naked: seeds reddish, smooth, ^ line long. — In canons and 



on mountain sides. No. 842. 

 A peculiar species. Our plant is abundantly covered with small oblong bodies, 



appearing like capsules, which are the result of insect work. 



