»2 Director's Annual Report. 



Solanum sodomeum 1.. 



Solanutn sodomeum L., Sp. PI., i;.S3. i s 7- 



This African species is rather common on Oahn. First re- 

 corded by Heller. 



ACANTHACEAE. 



Thunbergia alata Boj. 

 Thunbergia a/a/a Boj., Sims. Hot. Mag., 2591. 



A troublesome garden weed in Honolulu. 



Thunbergia alata var aurantiaca Ktz. 



This variety occurs as a roadside plant in Pauoa Valley on 

 Oahu. 



PLANTAGINACEAE. 



Plantago lanceolata L. 



Plantago lanceolata L., Sp. PL, 1 75.^. 113. . 



This species usually occurs at rather high elevations, 2000 to 

 3000 feet. Observed on all the islands. 



RUBIACEAE. 

 Sherardia arvensis L. 

 Sherardia arvensis L., Sp. PL, 1753, 102. 



Maui, slopes of Haleakala. 



C. X. F., no. 217. M. 



CUCURBITACEAE. 



Momordica charantia L. 



Momordica charantia L., Sp. PL, 1753, 1009. 



Met with on all the islands, especially in rather dry localities 

 where it climbs over rocks and stone walls. Near Kailua on Ha- 

 waii, it covers acres of rough aa flows, and is regarded as a bad pest. 



Another cucurbit with spiney fruits not yet identified is fairly 

 common on all the islands. 



COMPOSITAE. 



Carduus lanceolatus L. 



Carduus lanceolatus L., Sp. PL, 1753, 821. 



Cirsium lanceolatum Scop., Fl. Cam. Ed. ii, 1772, 2, 130. 



Cnicus lanceolatus Willd., Prodr. Fl. BeroL, 1789, 259. 



The common bur-thistle is well established on Hawaii and in 

 several places on Maui. 

 C. X. F., no. 116. M. Hanaula W. Maui. 



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