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MEMOIRS OF THE NEW YORK BOTANICAL GARDEN [Vol. 9, No. 1 



This remarkable little species agrees well in general characters with P. eury- 

 chila Summerh. but differs as indicated in the diagnosis. In two of the gatherings 

 there are no leaf laminas but only the dried-up sheaths, but in 17830 the new 

 leaves are just appearing. They are not developed enough, however, for us to be 

 able to say for certain how many there will be on each stem or of what shape they 

 will be when mature. 



Polystachya vaginata Summerh. Kew Bull. 1947: 130. 1948. 



Kota-kota District: Chenga Hill, common epiphyte on low trees among dry 

 rocks, sepals brownish- green, petals yellowish-green, 1600 m., Sept. 9, 1946, 

 17610. Cholo District: Cholo Mountain, high epiphyte in rain forest, sepals green, 

 flushed with red, petals greenish-yellow, 1300 m., Sept. 24, 1946, 27793. 



The discovery of a species of sect. Isochiloideae in Nyasaland is of consider- 

 able interest, as the section was previously known only from Tanganyika Terri- 

 tory and Kenya Colony. There is, however, in the Kew Herbarium a scrap, which 

 appears to belong to this section, from near Abercorn in Northern Rhodesia. 



Bulbophyllum encephalodes Summerh. Bot. Mus. Leafl. 14: 228. 1951. 



Cholo District: Cholo Mountain, epiphyte in rain forest, flowers green with 

 maroon markings, 1100 m. , Sept. 29, 1946, 17871. Uganda and Kenya Colony, 

 southwards to N. Rhodesia. 



Eulophia orthoplectron (Reichenb. f.) Summerh. Kew Bull. 1939: 499. 1939. 



Dedza, terrestrial in Brachystegia woodland, sepals purplish brown, petals red 

 above, sulphur yellow below, lip yellow, lateral lobes faintly streaked with purple, 

 column greenish white, 1500 m., Sept. 13, 1946, 17639. Blantyre, in Brachystegia 

 woodland, sepals purple-red, petals red above, yellow below, lip yellow, column 

 greenish-white 1000 m., Sept. 18, 1946, 17641. East Africa, from southern Sudan 

 to S. Rhodesia and Mozambique. 



Tridactyle tridactylites (Rolfe) Schlechter, Beih. Bot. Centralbl. 36 2 : 148. 1918. 



Kota-kota District: Chenga Hill, in semi-shade on dry rock, flower greenish- 

 brown, 1600 m., Sept. 9, 1946, 17603. Generally in Tropical Africa (except Kenya 

 Colony), southwards to Angola, N. Rhodesia, and Nyasaland. 



ZINGIBERACEAE 



Aframomum sp. no. 1. 



Cholo District: Cholo Mountain, in rain-forest regrowths, herb about 1.5 m. 

 high, Txuit orange-red, sour, 1200 m., Sept. 24, 1946, 17774*. 



Without seeing flowers, I hesitate to name this specifically. The entire ligule 

 with the petiole rather exceeding it suggests that 17774 may be the same as plants 

 occurring in East Africa, Madagascar, and the Mascarenes named Aframomum 

 angustifolium (Sonn.) K. Schum. Pflanzenreich 20(4 46 ): 218 (1904) (Amomum 

 angustifolium Sonn. Voy. Ind. Or. 3: 276. 1782). 



Aframomum sp. no. 2. 



Cholo District: Cholo Mountain, gregarious in rain-forest regrowths, and under 

 open canopy in primary forest, herb 2.5-3 m. high, fruit red,- palatable, eaten by 

 the natives, 1200 m., Sept. 24, 1946, 27777. 



This is not, I believe, the same species as 17774; it has the same sort of 

 ligule, but differs in that the petiole is scarcely longer than it, and the midrib is 

 puberulous not glabrous beneath. A. zambesiacum (Bak.) K. Schum. has a similar 

 midrib, but a longer petiole, and also a peduncle 30 cm. long or more, not onlv 

 4-5 cm. as in 27777. 



