112 IIANUBOUK OF IKIDK.K. 



Subgenus Chlamydostylis. 



4. N. BRUNNEA S. Wats. Cont. xvii. 162. — Bulb 0-8 lin. diam. 

 Stem nearly a foot long, bearing a single leaf 6-8 in. long, and a 

 sheathing bract at the base of the peduncle. Spathe several- 

 flowered, 2^ in. lung. Perianth brown-purple, ^ in. long ; outer 

 segments obtuse ; inner similar, but acuminate and tipped with 

 yellow. Staminal column a Ime long ; antherd yellow, I in. long. 

 Style -branches scarcely shorter. 



Hab. North Mexico ; Guadaljara, Pringle, 1888. Flowered at Cambridge, 

 U. S. A., next year. 



5. N. NANA S. Wats. Contr. xi. 160. — Bulb |— ^ in diam., with 

 tunics produced above its neck. Root-leaves 2-8, very narrow, 

 3-6 in. long. Stem shorter than the leaves, bearing 1-2 peduncled 

 clusters, bracteated by a reduced leaf. Spathe 1 -flowered, |-| in. 

 long ; outer valve shorter. Perianth greenish white ; segments 

 subequal, oblanceolate, ^-^ in. long. Column ^V ""i- iongJ anthers 

 ^ in. ; connective narrow. Style-branches half as long as the 

 anthers. Capsule ^ in. long. 



Hab. Central Mexico ; (province of San Luis Potosi, alt. 6000 — 8000 ft., 

 Schajf'ner, 539 ! Furry <£• Palmer, 878 ! 887 ! 



6. N. TENUIS Benth. Gen. Plant, iii. 696. Chlaini/d(Mijlis tenuis 

 Baker. N. crelesthia var. tenuifolia Herb. — Bulb wiry, small, ovoid, 

 with dark brown tunics produced above its neck. Koot-leaves 2-8, 

 narrow linear or filiform, about as long as the stem. Stem 6-9 in. 

 long, very slender, Avith a single reduced leaf from the middle. 

 Spathe cylindrical, 1-fiowered, an inch long; valves green, lanceo- 

 late, outer shorter. Perianth blue, ^ in. long; segments subequal, 

 euneate. Column shorter than the anthers, which are ^ in. long, 

 and curl up spirally. Style-branches ^ in. long. Capsule turbinate, 

 1 in. long. 



Hab. Highlands of Mexico and Guatemala ; first collected by Hartweg. 

 Native name, " Coqaislte." Bulbs eaten. 



7. N. Medusae Benth. Gen. Plant, iii. 696. Chlamydostylis 

 MediiscB Baker. — Bulb not seen. Pioot-leaf single, firm, curved, 

 subterete, above a foot long. Stem 1 -headed, ^ ft. long, with a 

 long terete leaf from near the summit. Spathe ventricose, 1^-2 in. 

 long ; valves firm, green, outer shorter. Perianth blue, above 2 in. 

 diam. when expanded ; segments euneate, -|-1 in. broad. Column 

 very short ; anthers ^ in. long ; connective very broad. Style 

 reaching to the tip of anthers ; branches very slender, spreading. 



Hab. Central Brazil ; province of Goyaz, on the Serra de Natividade, 

 Gardner, 4005 ! 



8. N. Pringlei S. Wats. Cont. xvi. 85. — Radical leaves shorter 

 than the stem, Y^^'i "^' broad, 2-3-nerved. — Stem a span long, 

 usually simple, with a single leaf from the middle. Spathe \h in. 

 long ; valves unequal. Flowers fragrant, a delicate pale blue ; 

 outer segments oblong lanceolate, obtuse, 1^ in. long ; inner rather 

 shorter, minutely apiculate. Staminal column ^ in. long; anthers 



