BY W. F. BLiVKELY. d\)6 



II. Branches of the cyme 2 to 4. All flowers sessile, 

 i. Cymes 2-branched. 



1. Cymes in dense almost sessile clusters. Buds 10 — 15 mm. long. Leaves 

 thick, mostly elliptical, usually 5-nerved 17. L. conspicuus. 



la. Cymes elongated, not dense. Buds 20 — 25 mm. long. Leaves obovate- 



oblong, 3-nerved 18. L. Betchei. 



Leaves ovate to elliptic, 3 — 4 cm. .x 1.5 — 2 cm. Cymes solitary 



(a) var. dubia. 

 Leaves elliptical, 4 — 6 cm. x 3 cm. Cymes in clusters of 3 — S. Buds 

 hoary (i) var. tomentilla. 



2. Glabrous. Leaves almost sessile, somewhat obliquely oblong, 3-nerved. 



19. L. obliqua. 

 Young shoots and buds densely wooUy-tomentose. Leaves petiolate, pen- 

 ninerved. Bracts large, the central one narrower and longer than the two 



lateral ones. Buds robust 20. L. Nestor. 



Young shoots minutely woolly-tomentose. Leaves 3 — 5-nerved. Bracts 



small, buds slender 21. L. Hilliana. 



ii. Cymes 2 — 4-branched. 

 1. Leaves elliptical to oblong, 3 — 5-nerved. Calyx hoary pubescent at the 

 base 22. L. Lueasi. 



III. Branches of the cyme usually 2. Central flower of each triad sessile. 



1. Leaves petiolate, oblong lanceolate, usually 3-nerved. Buds and fruits 



hoary 23. L. Quandomg. 



Leaves broadly lanceolate, 3 — 5-nerved var. Bancrofti. 



la. Lea\'es usually sessile, cordate to oblong, 3 — 7-nerved. Buds glabrous. 



Fruit semi-tomentose. yellowish 24. L. Benthami. 



D. Capitellati. Inflorescence capitate. Flowers 4 — 6, sessile on the summit of the 

 peduncle, or the outer flowers on very short pedicellate bracts. 



1. Flowers 6, closely capitate. Bracts conspicuous, semifoliaceous. Leaves 



narrow to broad oblong, 2 — 5 cm. long 25. L. Maideni. 



la. Flowers 4 — 5, not closely capitate. Bracts small. Leaves obovate, oblong, 

 about 2.5 cm. long 26. I,. Fitzgeraldi. 



Sect. DiPLATIA. 



Inflorescence capitate. Flowers 4 — 6, sessile on the dilated apex of the pe- 

 duncle, between two large bracts or floral leaves, with a small deciduous scarious 

 bract under each flower. Petals 5. 



Leaves usually ligulate 27. L. grandihracteufs. 



Sect. Neoteeubella. 



Inflorescence racemose, racems, secund. Flowers sessile, in triads on the apex 

 of the short secondary peduncles, each subtended by a small subcordate sessile 

 bract. Petals 5 or 6, free' or sometimes united 1 — 2 mm. from the base. Calyx 

 and fruit striped with light streaks. 



i. Branches terete. 



1. Leaves petiolate, narrow-lanceolate to falcate-lanceolate, 5 — 20 cm. long. 



28. L. Britteni. 

 la. Leaves oblong to broad lanceolate, 5 — 10 cm. long. .. 29. L. signatus. 



2. Leaves sessile, amplexicaul, cordate-lanceolate 30. I,, amplexans. 



ii. Branches compressed — angular. 



1. Leaves lanceolate, somewhat decurrent 31.' L. biangulatus. 



; Subgenus Euloeanthus Benth. 



Benth. et Hook, f., Gen. Plant., iii., 1880, 207; Engl, et Prantl, Pflanzenfam., 

 Naehtr., 1897, p. 127. 



