Listrostachys.'] cxxxiii. orchide^ (rolfe). 165 



long. Lip broadly oblong, obtuse, 3 lin. long. Spur 3^ lin. long, 

 slender at the base, suddenly bent and obliquely inflated into an ovate- 

 oblong, subacute sac. Column stout, 1 lin. long. 



ASozamb. Sist. German East Africa : Usambara, at Magila, banging from a 

 tree over a waterfall, in a dark forest. Kirk ! 



In the shape of the spur this much resembles the preceding, but it is very different 

 in other respects. 



39. Ii. urostachya, Rrdnzl. in Engl. Pfl. Ost-Afr. C. 158. 

 Stems rather stout. Leaves about 7 lin. distant, linear-oblong, 

 obtuse, obscurely bilobed, 4-4 J in. long. Spikes elongate, with a few 

 scales at the base, the upper part developed gradually after the lower 

 flowei's expand. Bracts triangular, retuse, shorter than the ovary. 

 Flowers amongst the smallest in the genus, verticillate. Sepals and 

 petals rounded, obtuse, concave. Lip broadly ovate, obtuse ; spur 

 filiform, slightly curved, stoutish,much longer than the ovary. — Kranzl. 

 in Engl. Jahrb. xxii. 29. 



IVIozainb. I>ist. German East Africa : Usambara, Hoist, 4001. 

 Only known to me from the original description, but said to diflfer from L. perii'suy 

 Keichb. f., in the length of the internodes and spur. 



40. L. Virgula, Rolfe. Stems ascending, straight, 10 in. long, 

 many-leaved. Leaves linear, chartaceous; apex unequally bilobed. 

 Racemes much shorter, few-flowered ; rhachis very flexuous. Bracts 

 minute, triangular, acute. Flowers scarcely 1 lin. diam. Dorsal sepal 

 ovate, cucuUate ; lateral much larger than the dorsal, triangular, pro- 

 duced behind into a small, obtuse, chin-like process. Petals linear- 

 oblong, acute. Lip minute^ triangular, cucullate; base funnel-shaped, 

 gradually extending into a curved, fairly stout spur, 5 lin. long. 

 Column stout ; rostellum 2-armed ; pollinia not seen. — AngrcecuTn 

 Virgula, Kranzl. in Engl. Pfl. Ost-Afr. C. 157 ; Kranzl. in Engl. 

 Jahrb. xxii. 27. 



Wile I.and. British East Africa : Ruwenzori, 8200 ft., Stuhlma.in, 2336. 

 Only known to me from the original description, but said to somewhat resemble 

 L. suhulata, Reichb. f. in habit. 



41. L. graminifolia, Kranzl. in Eng. Pfl. Ost-Afr. C. 158. Stems 

 short, thick, fusiform. Leaves very narrowly linear, 10 in. long, 1-1^ 

 lin. broad. Racemes flexuous, few-flowered. Bracts minute, triangular. 

 Flowers white, 11 lin. diam. Sepals narrow, very acuminate from an 

 ovate base. Petals similar to, but only half as large as, the sepals. 

 Lip like the sepals, but a little broader ; spur very slender, filiform, 

 elongate, five times as long as the sepals. Column short ; rostellum 

 deflexed, dilated at the apex into a shield-like surface ; gland large, 

 scutelliform ; stipites 2. — Kranzl. in Engl. Jahrb. xxii. 29. 



Mozamb. Bist. German East Africa : Usambara ; Mbaludorf, on trees, 5900 ft., 

 Hoist, 2607. 



Only known to me from the original description, but remarkable for the shape of 

 the rostellum. 



