133 



Lobelia' IK rll folia dofs nut perniit a definite statement to that effect; it may 

 however be remarked, that while the species of Lobelia found tin MX. Haleakala, 

 and in the crater proper, comes exceedingly close to Lobelia yuceoides, it is suf- 

 ficiently distinct to warrant its retention as a separate species, and as it agrees 

 well with the type and the description of Lobelia neriifolia Gray it is referred 

 to it. Hillebrand's Lobelia neriifolia has nothing in common with Asa Uray's 

 species of that name, and is here described as Lobelia IIiUebraii(lii. The species 

 found on Kauai along the streambed of Waialae Valley bcloiiu- for the most part 

 to Lobelia neriifolia A. Gray. 



Lobelia Dunbarii Rock sp. n. 



Stem woody at the base, green, solid with fleshy pith ; leaves linear lanceolate, 

 sessile, acute or acuminate at the apex, thin membraneous when fresh, green and 

 glabrous on both sides, 14-15 cm long, 1.5-2 cm wide, serrate to dentate; raceme 

 single or with two smaller ones arising from the base?, the leaves becoming 

 reduced to foliaceous bracts the whole length of the raceme, the most terminal 

 ones still measuring 3 cm in length ; flowers single in the axils of the large 

 foliaceous bracts, on pedicels of 3 cm ; calyx green the ovarian portion turbinate, 

 5-ribbed, each rib projecting into a narrow wing which extends the length of the 

 pedicels, 6-10 mm high, the ealycine lobes bright green, broad foliaceous 15 nun 

 long. 3-4 mm wide, acute and apiculate at the apex, glabrous inside and outside; 

 corolla a bright ultramarine blue. 2.5 cm long. 2.5-3 mm wide, glabrous, the lips 

 revolute; staminal column pale blue puberulous, anthers greyish blue, glabrous; 

 capsule unknown. 



]\10IjOKAI: Along the streambed of Waihanau on rock walls, in company 

 with Hillebreindia mndwieeusis, etc., flowering August 13. lillS. L. M. Dunbar 

 type no. 13125 in herbarium Gollege of Hawaii; — ]\launahui in a <lci'|) ravine iin 

 a clay bank, I\larch 21. 1910. Rock no. 6134 in herbarium College of Hawaii. 



This very distinct species, which is here named for ilrs. L. ]\1. Dunbar, who 

 collected the type material, is evidently related to L. Ililbbrandii. but differs 

 from it in the large foliaceous bracteate raceme, the large green calyx and long 

 foliaceous calyx lobes, which give this species an entirely different aspect from 

 any of our other known Hawaiian true Lobelias. 



Lobelia Hillebrandii Rock sp. n. 



Lobelia neriifolia Hillel)r. Flora Hawaii. Isl. 238. 1888. not A. Gray. 



Low prostrate, the woody trailing stem about 6 mm thick and studded below 

 with knobby leaf-scars, distant!^' foliose aliove and ending in a long raceme, with 

 generally one or more distant smaller ones in the axils of the upper leaves; 

 leaves chartaceous. linear lanceolate 10-22 cm long, 8-14 mm wide, acute at both 

 ends, glandular dentate to serrulate, or with revolute margins, snbentire espe- 

 cially near the base, pale green, paler beneath and whitish gray pubescent; 

 raceme 8-22 cm long, loosely flowered ; bracts linear, calyx tube short obconical 

 about 3 mm high, the subulate lobes about 5 mm; corolla lilac, slender, suberect 

 18-20 mm long, the lips revolute; filaments pubescent; anthers glabrous, only the 

 lower penicillate: cajisule ovoid 6 mm high, the free conical portion loculicidal 

 and septicidal; seeds minute ovoid. 



MAUI: West ilaui ridges of Wailnku (in Gray Herbarium ex coll. Hille- 

 brand) and Waikapu :— Haleakala 2000-3000 feet, Hillebrand ;— Lahaina, West 

 Maui, fruiting September 21), 1916. A. S. Hitchcock no. 14881 in U. S. National 

 Herbarium and part in herbarium of the College of Hawaii. 



ILES SANDWICH: Gaudichaud in herbarium Jlusenm Paris. 



